JetBlack Sport S1 Instruction Manual Download Page 1

Code: JBT-S1

Please read the following directions thoroughly before use.

CAUTION

• This trainer is intended for single-rider bicycles only.
• Read and follow all instructions.
• Before beginning each workout, be sure the bicycle is securely attached to 

the trainer.

• Resistance unit can become hot enough to cause burns. Do no touch 

resistance unit during use and for some period after use until it has had 
sufficient time to cool.

• Keep children and pets away from the trainer during use.
• Before you start any exercise program you should consult a physician.

WARNING

Read and follow all instructions concerning installation of the bicycle on the 
trainer. Failure to securely attach the bicycle to the trainer could result in 
serious injury to the rider or bystanders.

BICYCLE MOUNTING INSTRUCTIONS

1. Prepare the trainer for bicycle mounting by rotating the large adjustment 

knobs counter clockwise until the clamp cones are wide enough to accommo

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date the bicycle’s rear wheel axle/skewer mechanism. Rotate the smaller 
locking ring counter-clockwise, moving them outward away from the trainer 
frame. 

Diagram 1

2. Turn the roller adjustment knob counter-clockwise a few rotations so the 

roller is past vertical to allow for clearance of the rear tire while mounting. 

Diagram 2

3. Replace the bicycle’s rear wheel quick release (QR) skewer with the one 

provided with the trainer. See bicycle owner’s manual for instructions on how 
to properly adjust the QR skewer. Make sure the skewer is tight and that your 
wheel is aligned properly on the bicycle.

4. Carefully lift your bike into position, aligning the rear QR skewer with the 

axle clamp cones. While holding the bicycle steady, slide the right side QR 
skewer nut into the axle clamp cone. 

Diagram 3

Using the adjustment knobs, tighten the clamp cones until they come into contact

 

with the bicycle’s QR skewer ends. Make sure that the QR skewer aligns with 
the notch in the clamp cones. Rotate the clamp cone cup as necessary to centre 
the bicycle’s rear wheel over the centre of the roller on the roller assembly.

After contact is made, tighten by turning the adjustment knobs until the bike is 
securely held in the frame – an additional 4-6 complete turns of the handle.

Rotate the locking ring clockwise until it is snug against the trainer frame. 
Check that the bicycle is secure by pushing or pulling on the bicycle’s top tube 
or seat. 

Diagram 4

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