Cannondale LEFTY HYBRID Owner's Manual Supplement
129143
LEFTY HYBRID OWNER’S MANUAL SUPPLEMENT
LEFTY HYBRID.
OWNER’S MANUAL SUPPLEMENT.
In this supplement, particularly important information is presented in the following ways:
WARNING
NOTICE
TIP
Indicates a hazardous situation which, if not
avoided, could result in death or serious injury.
Indicates special precautions that must be
taken to avoid damage.
A TIP provides helpful information.
This manual meets EN standards
14764, 14766, and 14781.
Vélo certifié conforme aux exigences du décret
N 95-937 du 24 août 1995 norme NFR030
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Lefty Hybrid Owner’s Manual Supplement 129143.PDF
About This Supplement
Cannondale Owner’s Manual Supplements provide
important model specific safety, maintenance, and
technical information. They are not replacements
for your Cannondale Bicycle Owner’s Manual.
This supplement may be one of several for your
bike. Be sure to obtain and read all of them.
If you need a manual or supplement, or have a
question about your bike, please contact your
Cannondale Dealer immediately, or call us at one
of the telephone numbers listed on the back cover
of this manual.
You can download Adobe Acrobat PDF versions of
any Cannondale Owner’s Manuals or Supplements
from our website: http://www.cannondale.com/
bikes/tech.
• This manual is not a comprehensive safety or
service manual for your bike.
• This manual does not include assembly
instructions for your bike.
• All Cannondale bikes must be completely
assembled and inspected for proper operation
by a Cannondale Dealer before delivery to the
owner.
WARNING
This supplement may include procedures
beyond the scope of general mechanical
aptitude.
Special tools, skills, and knowledge may be
required. Improper mechanical work increases
the risk of an accident. Any bicycle accident
has risk of serious injury, paralysis or death.
To minimize risk we strongly recommend that
owners always have mechanical work done by
an authorized Cannondale retailer.
Table of Contents
SAFETY INFORMATION ............................. 2
Intended Fork Use ............................. 2
Damage / Inspection .......................... 2
Disassembly / Modification ................. 3
29R Travel Reduction ........................ 3
IDENTIFICATION ...................................... 4
LEFTY Hybrid Carbon ........................ 4
LEFTY Hybrid OPI (Alloy) ................... 5
ADJUSTMENT .......................................... 6
Setting Sag ..................................... 6-7
XLR Hydraulic Remote ....................... 8
XLR Rebound .................................... 8
PBR Lockout ..................................... 9
PBR Rebound ................................... 9
OPI STEM-STEERER ............................... 10
LEFTY HYBRID WHEEL HUB .................... 12
Wheel Removal ................................ 13
Wheel Installation ............................ 14
MAINTENANCE ...................................... 15
Schedule ......................................... 15
Cleaning .......................................... 16
Tightening Torques .......................... 16
Frame Bumper ................................ 17
Moto Guard ..................................... 17
Manual Reset .................................. 18
Cannondale Limited Warranty .......... 19
APPENDIX A: KITS LIST ....................20-24
06/12
2
SAFETY INFORMATION
Intended Use
LEFTY TRAVEL INTENDED USE
120mm
130 mm
All Mountain,
Overmountain,
ASTM CONDITION 4
100 mm
90mm
Cross-Country,
Marathon, Hardtails
ASTM CONDITION 3
LEFTIES ARE NOT INTENDED - For use in
extreme forms of jumping/riding such as
hardcore mountain, Freeriding, Downhill,
North Shore, Dirt Jumping, Hucking etc.
WARNING
UNDERSTAND YOUR LEFTY AND ITS INTENDED
USE. USING YOUR LEFTY THE WRONG WAY IS
DANGEROUS.
Industry usage Conditions 1 - 5 are generalized
and evolving. Consult your Cannondale Dealer
about how you intend to use your bike/fork.
Please read your Cannondale Bicycle Owner’s
Manual for more information about Intended
Use and Conditions 1-5.
YOU CAN BE SEVERELY INJURED, PARALYZED
OR KILLED IN AN ACCIDENT IF YOU IGNORE
THIS WARNING.
Damage / Inspection
WARNING
RIDING WITH DAMAGE IS DANGEROUS.
STOP RIDING IMMEDITE IF DAMAGE IS
PRESENT.
The following conditions indicate that serious
fork damage is present:
• Any unusual “klunking” or knocking
noises.
• Change in travel.
• Changes in normal functions.
• Loss of adjustments features, oil leaks, or
air leaks.
• Crash or impact damage (deep scratches,
gouges, dents, or bending)
• Any small cracks under the bolt head
of upper and lower clamp bolts. This
inspection requires the removal of the
bolts.
• Horizontal cracks above and below the
intersection of the upper and lower clamps
with the outer tube portion of the Lefty
structure.
• Vertical cracks in the outer tube (where the
races and needle bearings run). These
may show as long, straight lines perhaps
several lines parallel to each other.
Please read Inspect For Safety in PART II,
Section D. of your Cannondale Bicycle Owner’s
Manual.
If your LEFTY is damaged, do not ride it.
Contact your Cannondale Dealer to arrange
service through an authorized service center.
YOU CAN BE SEVERELY INJURED, PARALYZED
OR KILLED IN AN ACCIDENT IF YOU IGNORE
THIS WARNING.
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Lefty Hybrid Owner’s Manual Supplement 129143.PDF
Disassembly or Modification
WARNING
DO NOT DISASSEMBLE OR MODIFY YOUR
LEFTY IN ANY WAY.
Improper service or modification can
lead to serious fork damage or serious
personal injury.
• Do not disaassemble the fork.
• Do not attempt modification in any
way.
• Do not drill, file, cut or remove
material from any part.
• Do not attempt to repair damage.
• Do not weld, clamp, or bond anything
to the fork.
• Do not attempt to remove the damping
cartridge or other internal fork parts.
The MAINTENANCE section of this
supplement includes information about
regular owner maintenance practices
that can keep your fork in good operating
condition.
All other service and maintenance
procedures must be completed through
an Authorized Headshok Service Center.
Contact your Authorized Cannondale
Dealer for more information.
YOU CAN BE SEVERELY INJURED,
PARALYZED OR KILLED IN AN ACCIDENT IF
YOU IGNORE THIS WARNING.
29R Travel Reduction
WARNING
DO NOT REMOVE 29’ER TRAVEL
REDUCERS.
LEFTY for 29” wheel bikes have internal
travel reducers to maintain correct
clearance with the wheel and frame.
If reducers are removed or installed
incorrectly, and the air spring pressure is
lost or too low, and the fork is loaded in a
large compression event, a rotating tire
could come into contact with the frame
causing the wheel to stop suddenly. This
can throw a rider off the bicycle or result
in a loss of control and crash.
CHECK FOR MINIMUM TIRE FORK/
FRAME CLEARANCE (10 mm) WITH ALL
AIR RELEASED FROM LEFTY AND FULLY
COMPRESSED.
Measure between the top of the properly
inflated tire and the bottom of the fork
steerer.
YOU CAN BE SEVERELY INJURED,
PARALYZED OR KILLED IN AN ACCIDENT IF
YOU IGNORE THIS WARNING.
4
IDENTIFICATION
1.
2.
3.
4.
5.
7.
8.
11.
9.
10.
14.
12.
13.
20. 19.
18.
21.
22.
15.
17.
16.
6.
6.
1. XLR Remote Lockout Assy.
2. XLR Hydraulic Line
3. XLR Rebound Dial
4. XLR/PBR Carbon Outer Collar
5. Bonded Upper Clamp
6. Clamp Bolt
7. Serial Number Location
8. Frame Bumper
9. Carbon Outer Tube (carbon fiber)
10. Brake Housing Guide
11. Bonded Lower Clamp
12. Guard
13. Guard Brake Housing Clamp
14. Lower Collar Assy.
15. Sag O-Ring
16. OPI Inner Tube
17. Guard Mounting Screws
18. Hub Spindle
19. Inner Bearing Land
20. Outer Bearing Land
21. Axle Bolt Threads
22. Schrader Valve
LEFTY Hybrid Carbon Structure
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Lefty Hybrid Owner’s Manual Supplement 129143.PDF
16.
19. 18.
20.
21.
11.
12.
13.
14.
15.
7.
10.
5.
4.
6.
8.
9.
5.
1.
2.
3.
17.
1. PBR Lockout Button.
2. PBR Rebound Dial
3. XLR/PBR OPI Outer Collar
4. Integrated Upper Clamp
5. Clamp Bolt
6. Serial Number Location
7. Frame Bumper
8. OPI Outer Tube (alloy)
9. Brake Housing Guide
10. Integrated Lower Clamp
11. Guard
12. Guard Brake Housing Clamp
13. Lower Collar Assy.
14. Sag O-Ring
15. OPI Inner Tube
16. Guard Mounting Screws
17. Hub Spindle
18. Inner Bearing Land
19. Outer Bearing Land
20. Axle Bolt Threads
21. Schrader Valve
LEFTY Hybrid OPI - (One Piece Integration)
6
ADJUSTMENT
Setting Sag
Sag is the distance the LEFTY compresses when the bike is statically loaded with your body
weight in your riding position. Set it according to the LEFTY travel. Sag is set by changing
the air pressure through the Schrader valve at the bottom of the LEFTY.
Set Recommended Initial Air Pressure
(Set before measuring sag)
26ER
RIDER WT.
(Kg)
29ER
PSI Bar PSI Bar
81 5,5 55 94 6,6
88 6,0 60 101 7,2
94 6,5 65 109 7,8
101 7,0 70 116 8,4
107 7,5 75 124 9,0
114 8,0 80 131 9,6
120 8,5 85 139 10,2
130 9,0 90 150 10,8
140 9,5 95 161 11,4
150 10,0 100 173 12,0
156 10,5 105 180 12,6
Be aware that conventional pump gages have variations. Therefore, we recommend you to
fine tune your set up with the Recommended Sag.
Fine Tune to 25% Recommended Sag
(Adjust the air pressure +/- to set this sag)
LEFTY TRAVEL (mm) 130 120 100 90
25% SAG (mm) 32 30 25 22
20% SAG - Minimum 26 24 20 18
30% SAG - Maximum 39 36 30 27
LEFTY AIR PRESSURE LIMITS
Minimum: 50 psi, 3.4 bar
Maximum: 225 psi, 15.5 bar
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Lefty Hybrid Owner’s Manual Supplement 129143.PDF
1
1.
2.
2
3.
4.
3
50/50
4
SAG
To set sag:
1. Remove the Schrader valve cap (1) at the
bottom of the LEFTY. Attach a bicycle
suspension pump to the Schrader valve
(2). See Figure 1.
2. Set the recommended intial starting air
pressure according to your weight.
3. Slide the sag O-ring (3) against the wiper
seal (4). See Figure 2.
3. Sit on bike in riding position and
dismount.
Note: Your riding position affects weight
distribution and therefore sag. For
example, in the “Attack” position
(Figure 3). the rider’s weight is distributed
equally front and rear.
4. Measure the sag distance. See Figure 4.
Sag Trouble Shooting
Too much sag add air in small
increments
Too little sag reduce air in small
increments
Excessive
bottom out
increasing air pressure
harsh ride or
limited travel
reduce air pressure
NOTICE
A dirty pump or valve end can result in
contamination, damage, and air loss.
Make sure pump and valve are clean
before attachment.
Attack
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