Xam Sprocket Kit Yamaha YZ250 '99-'01 + '05-'06 / WR400-450 '99-'06 Zero Black 1

XAM Chain and Sprocket Kits are the perfect replacement for a worn-out setup. These kits are lighter stronger and better value than OEM.

All its include a Front Sprocket Rear Sprocket and XAM Chain and are supplied in either OEM gearing or alternative gearing.