RA22099-51 Pro-X Alloy Rear Sprocket 51t. Yamaha YZ 125-250 '99-'18
PRO-X alouminium ultralight rear sprocket 51t. Yamaha YZ 125-250 '99-'18.
ProX rear alloy sprocket manufactured from high grade 7075-T6 material, one of the toughest,strongest and most lightweight alloys available.
Pro-X