SPROCKET REAR STEEL YAMAHA YZ/YZF/WRF 125-450 99-23 Teeth:51T Certified as medical device:

Certified as medical device:

Stretch nylon finger gussets increase airflow and dexterity

125/250/400/520 00-04

Side Panels - White/Red - 8603900001

SPROCKET REAR STEEL YAMAHA YZ/YZF/WRF 125-450 99-23 Teeth:51T Certified as medical device:Apico steel rear sprockets are manufactured using an aerospace grade light weight C45 Medium Carbon Steel. Cad Designed for enhanced tolerances and CNC machined laser cut profile for improved weight reduction and strength throughout. A standard feature with all Apico rear sprockets are the clearing grooves around the outer edges of the sprockets. Theses help to remove any build up of mud and reduce ware and additional stress to the sprocket. Finished