Originally Posted by Helen Weals
OK thanks. Ocean Pacific. Then I guess I have a Cranny Roller with a China Girl.If I read the Chinglish instructions correctly, one or both of the rubbers can be used.I used one with lock nuts and used a torque wrench to tighten, then backed up lock nuts with regular nuts using locktight. The sprocket runs true to the front spocket.Only had to dent fender slightly for clearance. I think my kit did not come with heavy duty chain
You have to use 2. One on each side of the spokes.