ProX Crank Bearing and Seal Kit Yamaha | 23.CBS23001 Alpinestars 2025 One piece design allows for

One piece design allows for simple install and lightweight design

Dampening pads reduce chain slap noise

grip and feel while riding

and the athletic fit hugs the body with minimal excess fabric—perfect for young cyclists seeking both style and function on every ride

This new system is the first Yoshimura production motocross exhaust to incorporate a resonator on the header and in the muffler

ProX Crank Bearing and Seal Kit Yamaha | 23.CBS23001 Alpinestars 2025 One piece design allows forMade to exact OEM specifications for maximum performance and durability Includes all necessary bearings seals for a components replacement For use with OEM or Pro X crankshafts.