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  1. Scuff Wheels

    A Couple of Bosch Drive System Issues

    The chain lock-up problem, experienced by many riders in muddy conditions can be resolved by installing an ACS device on your Bosch Drive Motor Unit. The ACS (Anti Chain Suck Device) bolts on to the Bosch motor unit. It surrounds / protect the driver sprocket, preventing build-up of mud on the...
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