Remove the rear quick-release axle.
Remove the chain from the chainwheel and chain sprocket.
Remove the fasteners securing the chain guide rail to the swinging arm.
Pull out the guide rail between the sprocket and the main frame.
Installation is the reverse of the removal procedure: pay particular attention to the following.
Do not damage the guide rail when installing; mask with tape if necessary.
Tightening torques:
- Rear quick-release axle: 100 Nm
- Chain tensioning screws: 10 Nm