Chain Drive and Flywheel Replacement
(Chain drive bikes only).
About
This procedure provides instruction to remove and install the Chain Drive and Flywheel.
Chain replacement requires removal of the flywheel so this procedure provides instructions for
both chain and flywheel replacement.
WARNING:Personal injury is possible while removing/installing the flywheel. The
flywheel weighs approximately 43 lbs (19.5 kgs) and can pinch or fall onto fingers or
other extremities causing personal injury.
ID Part
Chain
Flywheel
Chain Tensioner
Chain Sprocket Finger Guard
Frame Cross Member
Flywheel Axle Nut
Specifications
System Component Specification
Chain Drive Tension 1/2 in (1.3 cm) up/dwn travel
Axle Nut Torque
1
29.5 ft-lbs (40 Nm)
Procedure
Review entire procedure before starting.
Removal instructions
1
Torque is a measure of the force that can cause an object to rotate about an axis. Bolt/nut
example: 5 NM torque is equivalent to 5 newton's of force applied one meter from the center of
the bolt, 6 ft-lb is equivalent to 6 lbs of force applied 1 foot away from the center of the bolt.
Contact Precor Customer Support at support@precor.com or 800.786.8404 with
any questions.
Page 28
5 Replacement Procedures
Chain Drive and Flywheel Replacement
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