Motorcycle Red Billet Rear Wheel Sprocket Spacers Raiser For CRF250R CRF450R. and make hub fit on new bike model for CRF250R 14-16 and for CRF450R 13-16, you can also use it to raise sprocket and prevent the chain to cut tyre on supermoto bikes ,especially 5.0" or 5.5" rims.
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