Sprocket Kit Yamaha YZ250FX U-Ring - GB520MXU 13/51 Category_Tools Constructed from 7075 T6 series

Constructed from 7075 T6 series aluminium to be stronger and more durable than stock rims

with the latest materials and technology in gasket production to Vertex specifications

The foam is specially treated to resist flames and sparks

4 ply (except 21 ) nylon carcass

Helping you get the most out of your stock air box

Sprocket Kit Yamaha YZ250FX U-Ring - GB520MXU 13/51 Category_Tools Constructed from 7075 T6 seriesRK chain and sprocket kits are the perfect drive maintenance kit for your bike. The perfect alternative to expensive OEM replacements, it is designed to meet and exceed OEM specifications. Supplied in presentable packaging with a carry handle for convenient transportation. Features: Includes strong and durable high carbon steel sprockets. Paired with a high quality RK chain.