RENTHAL CRF 150F 428 CONVERSION

Kit includes front and rear sprocket with same gear ratios as stock and a Gold Renthal R1-428 chain.

Saves over 2 lbs. over the stock 520 O-ring chain and steel rear sprocket.

Improves acceleration and responsiveness with less revolving un-sprung weight.

Front sprocket is made from super strong nickel chromoly and is grooved to clear mud and increase chain life.

Rear sprocket is made from 7075 T-6 aluminum which is precision machined with self-cleaning mud grooves and lightening holes.