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Old 09-04-2011, 08:04 AM
klapool klapool is offline
Motorized Bicycle Senior Member
Join Date: Aug 2011
Location: Wisconsin
Posts: 68
Default Noob, with questions

My son (13) and I got our 2 new China Girls on Friday.

We tore into the project yesterday. After futzing around with his bike we went to Wally World and picked up a cranbrook for him.

So while we were fitting the sprocket to the rim, following the directions in the box and on the DVD, we noticed that there is a grinding in the bearing on the axle. Not Good....

Also as we were tightening down the sprocket we noticed the sprocket start to deviate in shape.

The instructions say to tighten it down but now I see there must be a certain torque limit to the tightening.

What should I do with the bearings in the axle??? What should I do with the sprocket?
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