Replace or upgrade your worn chain and sprockets with this market leading sprocket kit featuring quality JT & Tech 7 Sprockets and D.I.D chain brought to you by THS Moto. Note the chain may need to be adjusted to length using a chain breaker tool. This Sprocket Kit contains a 14 tooth front sprocket and 50 tooth rear Tech 7 sprocket with a 428D118 118-Link 428D standard clip link DID Chain Fits: Honda CRF100F 2004-2014