ive got a 20" rhino bmx that needs the rear sprocket or free wheel replacing because when you pedal the back wheel doesnt spin. is this a simple job or should i take it to a professional
The internals of the freewheel cassette sound like they've given up, you'll need a coupla tools, check this out (it's a mountain bike, but same principle);
howtomendit.com for free repair help, information and advice.
