Caution! Do not allow the wheel to rest on the brake disc, as this may damage the disc. Support the wheel on wooden blocks, equally spaced around the rim, such that the brake disc is raised above the ground.
Perform the following operations:
1. Place the wheel on wooden blocks with the drive chain sprocket uppermost.
Note: If the studs for the rear sprocket become loose or removed, they must be replaced.
2. Evenly and progressively, remove and discard the rear sprocket lock nuts.
Note: Note the orientation of the rear sprocket for installation.
3. Remove the rear sprocket.
1. Lock nut; 2. Sprocket