User guide and terms of guarantee
Bicycle manufacturer
Development
b’Twin designs and develops product ranges for all purposes. Our multidisciplinary team is driven by a
passion for bikes harnessed to technical expertise. b’Twin products are created by our engineers, athletes
and designers.
Innovation
As a leading European manufacturer, we have established an innovative partnership with the b’Twin
research centre so that you can enjoy your passion to the full.
Design
Our design oce ensures that our products satisfy your desires, just like b'Twin. They pay particular
attention to ensuring that the technical features, comfort and look of our bicycles are perfectly suited to
their practical use. Modernity, simplicity and passion guide our imagination.
Fatigue test
Just like b'Twin, we are unswerving in testing our prototypes:
– more than 250 components tested to select 74.
– more than 50 prototypes tested during test assignments.
– more than 3000 hours of machine tests in our workshops.
CONFORMS TO SAFETY
REQUIREMENTS
T
hank you for purchasing a b’Twin bicycle.
Y
ou have just bought a b’Twin bicycle, and to ensure your continuing happiness with it, please read this user guide:
It provides all the information needed to correctly use, adjust and maintain your b’Twin bicycle.
It is important that you keep this guide.
CONTENTS............................................................................................................................................................................................................................................................ 3
General warning................................................................................................................................................................................................................................................ 4
Mini bicycle glossary ............................................................................................................................................................................................................................... 4
A BICYCLE FOR EVERY PURPOSE, AND ITS LIMITS............................................................................................................................................................................ 5
General usage restrictions .................................................................................................................................................................................................................... 5
Storage conditions................................................................................................................................................................................................................................... 5
Types of bicycle and their uses............................................................................................................................................................................................................ 5
RECOMMENDATIONS FOR CYCLING IN COMPLETE SAFETY ........................................................................................................................................................ 6
HOW TO ADJUST YOUR POSITION ON THE BICYCLE ....................................................................................................................................................................... 8
SAFETY CHECKS BEFORE USE ..................................................................................................................................................................................................................... 9
ADJUSTMENTS AFTER SEVERAL HOURS' USE ...................................................................................................................................................................................10
TAKING GOOD CARE OF YOUR BICYCLE ..............................................................................................................................................................................................10
A - REGULAR MAINTENANCE AND CHECKS..................................................................................................................................................................................11
B - NECESSARY TOOLS.......................................................................................................................................................................................................................... 12
C - CLEANING ...........................................................................................................................................................................................................................................12
D - LUBRICATION ....................................................................................................................................................................................................................................12
E - TIGHTENING TORQUES................................................................................................................................................................................................................... 13
F - REMOVING – REPLACING A WHEEL ...........................................................................................................................................................................................13
G - USING QUICK-RELEASE..................................................................................................................................................................................................................15
H - MOUNTING THE PEDALS...............................................................................................................................................................................................................15
I - BRAKING SYSTEM ..............................................................................................................................................................................................................................16
1 - Using the brakes...........................................................................................................................................................................................................................16
2 - Checking the brakes....................................................................................................................................................................................................................16
3 - How should the brakes be adjusted?....................................................................................................................................................................................16
J - USING THE GEAR SYSTEM ..............................................................................................................................................................................................................18
K - ADJUSTING THE DERAILLEUR GEAR SYSTEM......................................................................................................................................................................... 19
1 - Adjusting rear derailleur movement..................................................................................................................................................................................... 19
2 - Adjusting front derailleur movement...................................................................................................................................................................................19
3 - Adjusting derailleur tension..................................................................................................................................................................................................... 19
L - ADJUSTING GEARS THAT ARE INTEGRATED IN THE HUB...................................................................................................................................................20
M - ADJUSTING SINGLE SPEED GEARS............................................................................................................................................................................................ 20
N - ADJUSTING SUSPENSION .............................................................................................................................................................................................................20
ASSEMBLING ACCESSORIES ......................................................................................................................................................................................................................20
GUARANTEE CHARTER .................................................................................................................................................................................................................................22
- 3 -
CONTENTS
L
ike any sport, cycling can cause injury and damage. By using this bicycle, you accept responsibility for this risk. b'Twin cannot accept any
l
iability if the product is modied by the user. You should know and practice the rules of the Highway Code. Caring for and using your bicycle
c
orrectly are your responsibility and reduce the risk of accidents. Caring for your bicycle correctly will preserve its original usage and safety
f
eatures. Cycling, in whatever form, is not without risk. Always wear a correctly tted and adjusted helmet. Along with our technicians, we are
c
ommitted to providing you with a fully assembled and correctly adjusted bicycle.
The safety parts (front fork, handlebars, handlebar stem, seat post, brake pads, brake shoes and disk brake pads, brake cable outer casing,
hydraulic brake line, calipers, brake disks, brake levers, chain, pedals and cranks, bottom bracket axle and wheel rims) must be replaced with
original parts. Tyres and inner tubes must be replaced with compatible parts.
WARNING: Like any mechanical component, a bicycle is subject to signicant stresses and strains. The dierent materials and components can
react dierently to use or to fatigue. If a component's expected life span is exceeded, it may break suddenly, thus risking injury to the cyclist.
Cracks, chips and discolouring in areas subject to great stresses show that the component has exceeded its lifespan and should be replaced.
Supplement to the user’s guide:
I
f your bicycle is equipped with specic components (for example: adjustable suspension fork, hydraulic brakes, frame shock absorbers,
a
djustable stem), your retailer will also give you the specic instructions for them.
Maintenance, adjustment and repair:
To ensure that your bicycle is maintained properly and safely, we recommend that you have it serviced and repaired by an authorised
b’Twin after-sales service provider.
Your b’Twin retailer:
Other than this guide, your main source of information and assistance is your b’Twin store. Your retailer is your rst contact for enquiries
relating to your bicycle’s maintenance, adjustment, use and guarantee.
Warranty:
This guide also contains your bicycle’s guarantee conditions.
NB:
Bicycles and bicycle components change all the time, so it is impossible to produce an exhaustive guide. We recommend that you
consult a B'Twin technician or retailer should you need further information.
- 4 -
Frame
Stem
Fork
Disc brake
TyreRimPedalChain rings
Crankset
Chain
Rear derailleur
Cogs
Brake
Front derailleur
Seatpost clamp
Seatpost
Crank
Mini bicycle glossary:
GENERAL WARNING
General usage restrictions:
Your bicycle is not designed to be used:
• in sand.
•
in the water (the hubs and bottom bracket should
not be submerged).
•
in a salty environment (e.g.: on the beach).
Storage conditions
Your bicycle is not designed to be stored outdoors for prolonged
periods (maximum 12 hours). It should be stored in a dry, temperate
p
lace (frost-free) away from corrosive products: marine environments
(e.g.: the bridge of a ship), herbicide, acids, solvents, batteries, etc
T
he MTB: These are sporty, versatile bicycles, suitable for going o-road and exploring nature. Full suspension
Loisir MTBs are ideal for forestor city riding on good roads. Fullsuspension Loisir MTBs provide extracomfort. Sport
a
nd Competition MTBs are designed for all terrains. The dierence lies in the weight, the quality of the drive train
and the suspension. Full suspension MTBs will allow you to ride for longer with less tiredness and more control.
They are ideal for descents, but are also comfortable on technical climbs. This bicycle, and particularly its braking
system, is designed for a maximum load of 100 kg (220 lbs). For example, for a bicycle weighing 13 kg (29 lbs and
carrying 5 kg (11 lbs of luggage, maximum user weight is 100 - 13-5 = 82 kg (181lbs).
The HYBRID BIKE: This is the ideal compromise between the town bike and the mountain bike. It is comfortable
and well-equipped, and is idealfor riding alone, as afamily or with friends, onsmall country roads or o-roadtrails.
The wheels are narrower than an MTB's wheels and may be of a greater diameter; so it is more comfortable on
tarmac roads. It is ideal for bike rides! This bicycle, and particularly its braking system, is designed for a maximum
load of 100 kg (220 lbs). For example, for a bicycle weighing 13 kg (29 lbs and carrying 5 kg (11 lbs) of luggage,
maximum user weight is 100 - 13 - 5 = 82 kg (181 lbs).
The URBAN BIKE:
ELOPS OR CITY: Fully equipped and comfortable, it is ideal for getting around in total safety on town and city
roads, in the middle of trac. You stay clean thanks to its mudguards and chain guard. It is the supreme city bike.
TRIBAN ROAD: A bike designedfor urban andperi-urban road sports. Positioned between the racing bike and the
traditional town bike, this responsive bike is designed for regular sporting middle distance rides on the road.
This bicycle, and particularly its braking system, is designed for a maximum load of 100 kg (220 lbs). For example,
for a bicycle weighing 13 kg (29lbs and carrying 5 kg (11 lbs) of luggage, maximum user weight is 100 - 13 - 5 = 82
kg (181 lbs).
The FOLDABLE BIKE: Specically designed to cope with storage problems, the foldable bike is the ideal bike for
getting around town. It is a sturdy, multi-purpose and well-equipped bicycle. Easy to store: the foldable bike will
take you where you want to go, "door to door". Its compact size makes it easy to store at home or at the oce
reducing any risk of theft. You'll forget it's there. Multiple transport modes: the foldable bike is designed to help
you getting around town over long distances as a complementary mode of transport to the car, train, public
transport allowingyou toreduce any breaks in your route and save time. "the problem with public transport is that
it never takes you exactly where you want to go".
Journey: the foldable bike will follow you everywhere: caravan, boat, boot of a car. Stored in a small area, it's the
ideal companion for your itinerant leisure activities.
The ROAD BIKE: This is a light bike for tness or competition use. The frame geometry is suited to each purpose:
tness objective: stay in shape by using a light bicycle and gears adapted to your power, sport objective: discover
cycling alone or in groups on hilly rides. This bicycle’s frame geometry and components will give you a good ride,
competition objective: Take your training to a new level to work on your physique, and take part in competitions
using equipment approved at the highest level of competition. This bicycle, and particularly its braking system, is
designed for a maximum load of 100 kg (220 lbs). For example, for a bicycle weighing 13 kg (29 lbs and carrying 5
kg (11 lbs) of luggage, maximum user weight is 100 - 13 - 5 = 82 kg (181 lbs).
The BMX/SUBSIN: Specicallydesigned for acrobatic use. “Street”for stunts intown or a skate park.“Dirt” for stunt
jumps on dirt tracks. “Flat”for stunts on the ground.“Race course” for o-road circuitswith bumps.We recommend
that you carefullyidentify your disciplinebefore taking theplunge! This bicycle,and particularly itsbraking system,
is designed for a maximum load of 100 kg (220 lbs). For example, for a bicycle weighing 13 kg (29 lbs and carrying
5kg (11 lbs) of luggage, maximum user weight is 100 - 13 - 5 = 82 kg (181 lbs).
The children's bike 14": A bicycle designed to allow children to pedal in complete safety. This learning bicycle is
easy to use, solid and fun, and is aimed at children aged 3 to 5 (90-105cm). It is a learning bicycle and must not be
used on the public highway. See the specic instructions supplied with the bicycle.
The children's bike (16" to 24"): Designed for children’s very specic needs. Whether your child is just learning
how to pedal or is already very comfortable on a bicycle, this bike is for all uses, by age group. It is a solid, easy to
use, fun and well-equipped bicycle. It is the ideal partner for learning and having fun in complete safety. These
bicycles, and particularly their braking systems, are designed for a maximum weight of 45 kg (99 lbs) for the 16",
55 kg (121 lbs) for the 20" and 70 kg (154 lbs) for the 24". For example, for a 16” bicycle and accessories weighing
10 kg (22 lbs), carrying 1 kg (2 lbs) of luggage, maximum user weight is 45 - 10 - 1 = 34 kg (75 lbs).
A BICYCLE FOR EVERY PURPOSE, AND ITS LIMITS
Types of bicycle and their uses
- 5 -
The MTB
The hybrid bike
(BTWIN, TRIBAN TRAIL)
The urban bike
(ELOPS, CITY, TRIBAN road)
The road bike
Le BMX/Subsin
The children's bike
(14’’, 16" to 24")
A mini guide to help you choose correctly! Dene your discipline precisely.
The foldable bike
Always carry out a thorough check before riding. Read the
«safety checks before use» section carefully.
Always wear a helmet when you ride to protect your head in the
event of a fall.
Ride with both hands on the handlebars.
Ride in the direction of the trac, never against it.
Never hold on to a car or any other vehicle.
Control your speed, avoid moving from side to side.
Carrying baggage may reduce your visibility or control of the
bicycle and cause you to fall.
Respect the local Highway Code, particularly with regard to
lights and bicycle bells and horns.
WARNING! Two people should never ride on a bicycle
(except tandems)
Never ride at night or in bad weather without lights.
You must be visible to motorists and motorcyclists:
- Wear light-coloured, reective clothing, and turn your
front and rear lights on.
- You must have a light and a reector at the rear of your bicycle.
- You must also have a light and a reector at the front
of your bicycle.
- Side reectors must be placed on the wheels.
When cycling in the rain or on wet roads, be careful because
braking distances can increase and grip decreases signicantly.
Wear protective equipment and clothing, such as gloves and
glasses.
Do not wear loose clothing which may get caught in the wheels.
NB: all our bicycles are sold with front and rear lights, as well as
rear reectors and side reectors tted to the wheels (except in
certain countries).
Using paths: responsible behaviour and code of good
conduct.
Do not take access to paths for granted.
The permission to use paths over the coming years will depend
on how you behave during your next outing:
- Stick to the paths.
- Be respectful to pedestrians and horse-riders.
- Keep skidding to a minimum.
- Respect ora and fauna.
- Avoid muddy areas.
Here are a few rules for responsible trail riding:
Avoid leaving visible tracks
Do not frighten animals
Keep control of your bicycle
Look in front of you
Always let others pass
Take all your rubbish with you
WARNING! when riding with children
b’Twin recommends that helmets are worn and stronglyadvises
that child seats and all frame accessories are tted by qualied,
experienced technicians. If you intend to t a child seat yourself,
we recommend that you check with our retailers that baggage
racks and child seats are safely compatible.
Be careful when riding with a child seat, as it adds weight to the
rear and raises the bicycle’s centre of gravity, making balance
and turning more dicult.
Children must always wear a helmet when riding in a child seat
or in a trailer. Please note that wearing a helmet is a legal
requirement in many countries.
Wheels attract children's attention and present a serious risk to
young children's ngers! If children place their ngers between
the spokes or between the chain and the chain rings... they risk
trapping their ngers and/or injuring themselves.
With children’s bicycles, responsible adults must ensure that the
child knows how to use the bike, especially the brakes.
Maintaining and controlling your bicycle:
The frame, the forks and all the components must be regularly
checked by our b'Twin After-Sales Service team to detect the
signs of wear and/or potential deterioration (cracks, corrosion,
damage...).
These are important safety checks which help avoid accidents
and physical injury and ensure the lasting health of your bicycle.
RECOMMENDATIONS FOR CYCLING
IN COMPLETE SAFETY
- 6 -
Warning:
- MTB descents should be practised safely.
-
Ensure that the bicycle is suitable for the purpose (descents, cross-country, extreme freeriding...).
- Ensure that the bicycle is in a perfect working order.
- To minimise the risk of accidents: wear a helmet, wear suitable protection, control your bicycle and… be careful!
Front light
A-B-C: Fitting
Pour un serrage optimum privilégier le 1er cran de
l'élastique.
D: Removal
Press the reector (1) to push the light forwards (2).
Replacing the batteries:
When the red wear indicator lights up, change the batteries.
Batteries required: Two 1.5 Volt LR14 alkaline batteries.
To open, press on one of the chrome-plated strips (1) and
open by turning the front of the light (2).
Battery direction is shown on the bulb holder and on the
inner contact.
Some products may be equipped with dierent but similar
lighting.
Replacing the bulbs:
Bulb required: 2.4 Volts 0.5 A Krypton type
Fitting lights:
(does not apply to dynamo-type lights)
Compatible
with upright
handlebars.
Diameter:
0,75 in (19 mm) à
1,26 in (32 mm).
Compatible with seat
posts or seat stays.
Diameter: 0,75 in (19 mm) à
1,26 in (32 mm).
- 7 -
1
1
Rear light
Assembly
- The rst hole is for tting to the seat post.
- The second hole is for tting to seat stays.
Position the rear light horizontally using the
adjustment wheel.
2
2
STOP
Fitting dynamo-type lights
Hub dynamo:
B
efore removing the front wheel, disconnect the dynamo’s electric
cable.
Replacing the bulbs:
B
ulbs required:
• 6 Volt / 2.4 Watt Krypton type bulb for Elops 3 and Elops 5.
• 6 Volt / 2.4 Watt halogen bulb for the b’Twin Pack and Elops 7.
Directions for use:
Refer to the charts appended to the end of these instructions p 23.
Adjusting the seat:
The minimum seat height is the height when the seat is moved down as far as it will go and once the clamp is locked.
Practical information
Depending on the terrain you are travelling on, seat height can be modied:
- On at ground or when climbing, the seat should be in a high position for greater eciency.
- When travelling downhill, the seat should be slightly lowered to improve bicycle control and to
make it easier to get over obstacles.
PLEASE NOTE THE INSERTION LIMIT!
For your safety, the saddle shouldn't be pulled out further than the mark
indicated on the seat post: minimum d’insertion.
For advice on making more precise
adjustments to your bicycle, go to
the b’Twin.com website.
HOW TO ADJUST YOUR POSITION ON THE BICYCLE
Measure your height
Refer to your settings
charts for my bike
Adjust your bicycle
- 8 -
2
1 3
m
a
x
m
ax
m
ax
max
S in (cm) HS in (cm) Hg in (cm)
16"
4,1 - 4,3
(105 - 109)
4,3 - 4,5
(110 - 114)
1,5
(37,5)
4,5 - 4,7
(115 - 120)
1,9
(48,5)
1,9
(49)
1,9
(49,5)
Elops
S
in (cm) HS in (cm) H in (cm)
6,1 - 6,2
(155 - 159)
6,3 - 6,4
(160 - 164)
6,5 - 6,6
(165 - 169)
6,7 - 6,8
(170 - 174)
6,9 - 7
(175 - 179)
2,2
(55,5)
2,3
(58)
2,4
(60)
+ 0,5
(+ 12)
2,5
(62,5)
2,5
(64,5)
Adjusting handlebar height:
Quill stem:
Please note the quill stem insertion limit:
For your safety, the stem should not be pulled out further
t
han the mark shown on the stem: "min. insertion".
Headset stem:
All MTBs with aheadset stems are sold with setting rings. The handlebar height suggested in the shop is the highest. If you would
prefer to raise the handlebar position, you will need to choose a higher stem.
Adjusting aheadset stems on your bicycle:
To reduce the height you need to use appropriate tools (T-bars 5 or 6 depending on the model - see tools chapter).
-
Completely unscrew screw A, then the two screws (B) on the stem.
- Remove the stem.
- Take 1 or more setting rings
- Replace the stem.
- Replace the setting rings above the stem.
- Tighten up screw A and tighten the screws (B).
Checking that aheadset stems are properly tted to your bicycle:
To check the adjustment of your stem, close the front brake and rock forwards
and backwards on your bicycle.
If you feel any movement in the steering system, tighten up screw A.
Secondly, check by raising the front of the bicycle and turning the handlebars from left to right:
if you have any diculty turning the handlebars, tighten up screw A.
If this procedure seems too complex, please ask the sta in the workshop at your nearest shop.
Checking that the handlebars are properly mounted in the stem
On Elops (1, 3, 5 and 7), b’Twin Pack and BMX bicycles, the handlebars are set at a signicant angle. The angular position of the
handlebars should not be modied by more than 10° compared with the assembly position (see pictures below).
max
SAFETY CHECKS BEFORE USE
Adjusting the seat post and seat: check that the whole bicycle is solidly assembled and that the seat is solidly clamped in the frame, respecting the
minimum insertion point indicated on the tube.
Tightening the stem: before each use, check that the stem is properly adjusted using appropriate tools (see tools chapter) and tighten to the torque
indicated. Check the value in the stem/steering system torque table.
Tyre ination, dimensions and mounting direction: Inate your tyres to the correct pressure, referring to the pressure range indicated
on the side of the tyre by the manufacturer; your tyre’s resistance to wear depends on it. Mount the tyre in the direction indicated
on the side (the arrows indicating the rotation direction).
Always tighten fasteners to the correct torque. Bolts that are too tight can stretch and deform. Bolts that are too loose can move and fatigue. Either
mistake can lead to a sudden failure of the bolt, causing you to lose control and fall.
WARNING: An insuciently tightened stem clamp bolt, handlebar clamp bolt or bar end extension clamping bolt may compromise steering action,
which could cause you to lose control and fall. Place the front wheel of the bicycle between your legs and attempt to twist the handlebar/stem
assembly. If you can twist the stem in relation to the front wheel, turn the handlebars in relation to the stem, or turn the bar end extensions in
relation to the handlebar, the bolts are insuciently tightened.
- 9 -
- 10 -
The lighting system is part of your bicycle’s safety system and must be tted to your bicycle. Check that your
lighting systems are working and that the batteries are suciently charged before setting o. Used batteries
contain metals which are harmful for the environment (Hg: mercury, Cd: cadmium and Pb: lead): they can be
taken to our shops to be disposed of appropriately; do not throw them away with household waste. Batteries
should be collected separately.
The “crossed-out bin” symbol means that this product and the batteries it contains must not be thrown away
with general household waste. They are subject to a specic type of sorting. Please take the batteries and your
unusable electronic product to an authorised collection point for recycling. This treatment of your electronic
waste will protect the environment and your health.
N
ote that 14.5 PSI = 1 BAR and 1 BAR = 1kg/cm = 100,000 Pa
Fitting the wheels: Read the section on using quick connectors.
H
ow front and back brakes work: Refer to the chapter on the braking system entitled “checking the brakes”.
Fitting the pedals: Refer to the chapter entitled “mounting the pedals”.
H
ow the lights work:
B
efore each outing, you should check
that there is no movement between the
d
ierent parts of the assembly!
Warning about automatic pedals:
Automatic pedals are tricky to use and require a period of familiarisation to avoid falling o:
Engage and disengage your shoes in the pedals before setting o. The interface between the cleat and the pedal can be
aected by a number of factors including dust, mud, lubrication, spring tension and general wear.
When engaging and disengaging, check how the mechanism works and familiarise yourself with how the pedals feel.
Warning about the frame and fork suspensions:
Refer to the instructions supplied with this manual. Before every ride you must check that there is no movement between
any of the dierent parts of the assembly. If there is, only consult qualied
personnel and/or your nearest shop, in order that they
can carry out the necessary adjustments.
Warning about fork direction (position, brake, etc…):
Some parts of your bicycle will require slight modication after 2 to 3 hours’ use, mainly in order to make nal adjustments to the
components. Derailleur cable tension is to be set: the housings will settle down, necessitating new derailleur and brake tensions.
(See chapter on adjusting derailleur tension). With single-speed bikes, pedalling may seem dicult at rst. This is completely normal,
and after a few hours’ use pedalling will become easier: the chain loosens naturally. After your rst use of a bike with a 6-piece
bottom bracket, you will need to tighten up the bottom bracket. To do this, please consult a qualied person and/or our technical
workshops.
Rotation direction
Your bicycle needs a minimum amount of maintenance and regular services. How often it needs to be serviced depends on bicycle type (city,
racing, mountain), how often you use it, and how you use it. Your bicycle’s maintenance depends on how you use it:
City and recreational bikes, racers and BMXs require regular maintenance: Oil the chain regularly, brush the cogs and chain rings, periodically
place a few drops of oil in the brake and derailleur cable housings and remove dust from the brake pads.
MTBs should be cleaned after riding on muddy or dusty terrain: frame, wheels, chain, chain rings and cogs; then lubricate the chain using the oil
specically designed for bike drive trains. Should you detect any deterioration in parts of your bicycle, please replace the parts concerned.
Check the tires for excess wear, cuts or bruises. Replace them if necessary.
Check the wheel rims for excess wear, dings, dents and scratches. Consult your dealer if you see any rim damage.
TAKING GOOD CARE OF YOUR BICYCLE
ADJUSTMENTS AFTER SEVERAL HOURS’ USE
STOP
STOP
STOP
STOP
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