Replace or upgrade your worn chain and sprockets with this market leading sprocket kit featuring quality JT 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 12 tooth front JT sprocket and 55 tooth rear JT sprocket with a 520V112 112-Link 520VO O-Ring solid bush clip link DID Chain Fits: Honda NXR125 STREET 2004-2010 NXR125ES 2009-2010 XR150L 2014-2021 XR190 2017-2021