Closeout No Returns quick view Mika Metals Mika Metals - Rear Sprocket Aluminium 39t-415 Cob - 90-0739 MSRP: $69.99 $26.79 Made of high quality aluminum to withstand the rigors of off road racingDesigned to be lightweight but durable for even the worst conditionsSelf cleaning grooves make for long lasting sprocket... Add to Wish List Add to My Wish List Create New Wish List