K044 CRF150F And CRF230F 428 Conversion Kit

Save more than 2 lbs. over the stock 520 O-ring chain and steel rear sprocket. Improve acceleration and responsiveness.

• Kit includes front and rear sprockets with same gear ratio as stock and a gold Renthal R-428 chain
• Front sprocket is made from super nickel chromoly and is grooved to clear mud and increase chain life
• Rear sprocket is made from 7075-T6 aluminum