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INDOOR CYCLING BIKE
SF-B1401
USER MANUAL
IMPORTANT! Read all instructions carefully before using this product. Retain
owner’s manual for future reference. For customer service, please contact:
support@sunnyhealthfitness.com
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IMPORTANT SAFETY INFORMATION
We thank you for choosing our product. To ensure your safety and health, please use
this equipment correctly. It is important to read this entire manual before assembling
and using the equipment. Safe and effective use can only be assured if the equipment
is assembled, maintained, and used properly. It is your responsibility to ensure that all
users of the equipment are informed of all warnings and precautions.
1. Before starting any exercise program you should consult your physician to determine
if you have any medical or physical conditions that could put your health and safety
at risk or prevent you from using the equipment properly. Your physician’s advice is
essential if you are taking any medication that may affect your heart rate, blood
pressure, or cholesterol level.
2. Be aware of your body’s signals. Incorrect or excessive exercise can damage your
health. Stop exercising if you experience any of the following symptoms: pain,
tightness in your chest, irregular heartbeat, shortness of breath, lightheadedness,
dizziness, or feelings of nausea. If you do experience any of these conditions, you
should consult your physician before continuing with your exercise program.
3. Keep children and pets away from the equipment. The equipment is designed for
adult use only.
4. Use the equipment on a solid, flat level surface with a protective cover for your floor
or carpet. To ensure safety, the equipment should have at least 2 feet of free space
all around it.
5. Ensure that all nuts and bolts are securely tightened before using the equipment.
The safety of the equipment can only be maintained if it is regularly examined for
damage and/or wear and tear.
6. It is recommended that you lubricate all moving parts on a monthly basis.
7. Always use the equipment as indicated. If you find any defective components while
assembling or checking the equipment, or if you hear any unusual noises coming
from the equipment during exercise, stop using the equipment immediately and don’t
use the equipment until the problem has been rectified.
8. Wear suitable clothing while using the equipment. Avoid wearing loose clothing that
may become entangled in the equipment.
9. Do not place fingers or objects into the moving parts of the equipment.
10. The maximum weight capacity of this unit is 275 pounds.
11. This equipment is not suitable for therapeutic use.
12. Move with caution when lifting and moving the equipment. Always use proper lifting
technique and seek assistance if necessary.
13. Your product is intended for use in cool, dry conditions. You should avoid storage in
extreme cold, hot, or damp areas as this may lead to corrosion and other related
problems.
14. This equipment is designed for indoor use only! It is not intended for commercial use!
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EXPLODED DRAWING
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PARTS LIST
No.
Description
Qty No.
Description
Qty
1
Main Frame
1 39
Sleeve Ø18*Ø12*18.5L
2
2
Seat Post Ø38*460*t1.5
1 40
Nylon Nut M8
2
3
Seat Slider 38*38*270*T1.5
1 41
Brake Pad
2 4 Handlebar Post Ø38*270*1.5T
1 42
Clamp Brake Holder T4.0*M10*P1.25
1
5
Handlebar Ø28*998*t1.5
1 43
Flat Washer Ø10.2-Ø25*T1.5
1
6
Cap Nut M12*1.0
2 44
Bearing 6001 (Black plastic rind）ABEC-5
2
7
Rear Stabilizer 40*80*1.5T*500L
1 45
Bearing 6004 (Black plastic rind) ABEC-5
2
8
Front Stabilizer 40*80*1.5T*500L
1 46
608
4
9
Brake Handle
1 47
Small Chain Wheel 1-3/8"-24UNF-RH
1
10
Washer Ø10*Ø25*T4
1 48
C-shaped Buckle Φ20
1
11
Tension Knob M10*60
1 49
Inner Hexagon Flat Round Head Screw
M10*H7*S17
4
12
Left Crank
1 50
Inner Hexagon Hollow Bolt Ø7.8*30*M6*15*S5
3
13
Cross Self-tapping Screw
7 51
Nut M6*38*S5
1
14
Chain Cover A
1 52
Flat Washer d5*10*1
2
15
Chain Cover B
1 53
Hexagon Flange Nut M10*P1.25*8
2
16
Base Leveler M10
4 54
Cross Recessed Countersunk Bolt M5*22
2
17
Post Housing Suitable for 45*45*1
3 55
Hexagon Thin Nut M12*1.0(Rigidity 16～
23HRC)
3
18
Cap for Bases Suitable for 40*80*1
4 56
Hexagon Flange Nut M6 (Rigidity 16～23HRC)
1
19
Cap of Seat Slider Suitable for 38*38*1.5T
1 57
Locknut 1-3/8"-24UNF-RH
2
20
Front Cover
1 58
Nylon Nut M10
1
21
Transportation Wheels D8*D71.5*W223
2 59
Cross Pan Head Bolt M5*12(Rigidity 16～
23HRC)
2
22
Seat
1 60
Inner Hexagon Flat Round Head Screw
M6*12*S5
3
23
Knob M16*P1.5*35L
3 61
Pedal Strap
2
24
End Cap Φ21
1 62
Pedal Belt
2
25
Cap of Inner Pipe 45*45*2T Square Tube
1 63
Brake Cable
2
26
Washer Ø6.5* Ø25*6
2 64
Clamp Brake Assembly
1
27
Nut t0.8*11
5 65
Brake Pad Holder
2
28
Silent Chain 53 burl 2～P=12.7
1 66
Hexagon Flat Roundhead Screw (black)
M10*25
2
29
Flat Washer Φ12*1.5
2 67
Flat Washer Φ20*Φ10*1.5
2
30
Bottom Bracket Axle Φ20X152
1 68
Front Packing Base 220*80*40
1
31
Right Crank + Big Chain Wheel 52T 9/16"-
20UNF-RH
1 set 69
Rear Packing Base 220*80*40
1
32
Crank Cover
2 70
Flat Roundhead Screw M10*16L
4
33
Flat Washer Φ20*Φ10*1.5
4 71
Bottle Holder
1
34
Flat Roundhead Screw M10x25
4 72
Screw M5*16*Φ10
2
35
Pedal (L/R) 9/16"-20UNF-RH
2 73
Washer d5*Φ10*1
2
36
Flywheel (18KG)
1 74
Allen Wrench
1
37
Flywheel Spindle M12*1.0*154
1 75
Spanner S13, S15
1
38
Chain Adjuster Welding
2 76
Spanner with Screw Driver S13, S15, S17
1
3
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HARDWARE PACKAGE
#33 (d10*Φ20*2.0) 4PCS
#34 (M10*25*S6) 4PCS
#67 (d10*Φ20*2.0) 2PCS
#66 (M10*25*S6) 2PCS
#75 S13-S15 1PC
#74 S6 1PC
#76 S13-S15-S17 1PC
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ASSEMBLY INSTRUCTIONS
STEP 1:
Unscrew the Flat Roundhead Screws (No. 70) from the Main Frame (No. 1) with Allen
Wrench (No. 74) then remove the Front & Rear Packing Bases (No. 68 & No. 69).
NOTE: You may discard the Front & Rear Packing Bases (No. 68 & No. 69) or save them
for future packaging or transportation.
STEP 2:
Attach the Front & Rear Stabilizer (No. 8 & No. 7) to the Main Frame (No. 1) using 4 Flat
Washers (No. 33) and 4 Flat Roundhead Screws (No. 34). Tighten and secure with Allen
Wrench (No. 74).
NOTE: Always tighten parts by hand first then finish securing with the provided tools (No. 74,
No. 75, and No. 76)
1
70
68
69
68
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ASSEMBLY INSTRUCTIONS
WARNING!
Read these instructions carefully as improper assembly of this step may cause
permanent damage to your equipment.
STEP 3:
Before you begin, immobilize both crank arms by turning the crank arm all the way to
the right (clockwise).
Right Pedal: Align the Right Pedal (No. 35R) to its corresponding crank arm at 90
degrees. Gently insert the Right Pedal (No. 35R) into the right crank arm and turn
the pedal clockwise as tightly as you can with your hand. Use Spanner (No. 75) to
secure.
Left Pedal: Align the Left Pedal (No. 35L) to its corresponding crank arm at 90
degrees. Gently insert the Left Pedal (No. 35L) into the left crank arm and turn the
pedal counter-clockwise as tightly as you can with your hand. Use Spanner (No. 75)
to secure.
NOTE: Always ensure the pedals are secured tightly. Backwards pedaling may
loosen the pedal and damage the threads. Check the pedals regularly to make sure
the pedals are tightened.
35R
35L
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ASSEMBLY INSTRUCTIONS
STEP 4:
Loosen the [handlebar adjustment] Knob (No. 23) to slide the Handlebar Post (No.
4) into the post housing on the Main Frame (No. 1). Once you’ve located the
desired height, retighten the Knob (No. 23).
STEP 5:
Attach the Handlebar (No. 5) onto the Handlebar Post (No. 4) using 2 Flat
Roundhead Screws (No. 66) and 2 Flat Washers (No. 67).
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ASSEMBLY INSTRUCTIONS
STEP 6:
Loosen the [seat height adjustment] Knob (No. 23) to slide the Seat Post (No. 2) into the
seat post housing on the Main Frame (No. 1). Once you’ve located the desired seat height,
tighten and secure the Knob (No. 23).
STEP 7:
Loosen the [seat adjustment] Knob (No. 23) and slide the Seat Slider (No. 3) into the Seat
Post (No. 2). Retighten the Knob (No. 23) to fix the Seat (No. 22) onto the Seat Slider
(No. 3).
STEP 8:
Remove the 2 Screws (No. 72) and 2 Washers (No. 73) from the Main Frame (No. 1).
Reattach the parts [Screws (No. 72) and Washers (No. 73)] along with the Bottle Holder
(No. 71) to the Main Frame (No. 1) and tighten with Spanner (No. 76).
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MAINTANENCE & ADJUSTMENTS
Ensure that all parts are in good working condition and installed properly. It is
advised to periodically inspect your equipment for any defective or worn parts. If you
should find any defective parts, do not continue using your equipment until the issue
has been rectified.
1. Pay special attention to easily worn parts, such as the Brake Pads (No. 41). You
will need to replace them over time.
2. Always inspect the Pedals (No. 35 L/R) before exercise. Be mindful that reverse
pedaling may loosen the pedals. Retighten the pedals onto the crank arms if
necessary.
3. If the Seat (No. 22) has loosened, use the Spanner (No. 75) to tighten the
hexagon nut under the Seat (No. 22).
22
41
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