Moose Racing 1210-251-48-10X - Moose Racing Dual Sprocket For Yamaha IT 250 1981-1983 Rear Black 4

Features: Designed to outlast standard aluminum rear sprockets and is much lighter than steel rear sprockets. Inner ring is made from 7075 T6 aluminum and the outer ring is made from heavy duty steel. Self-cleaning mud grooves between each tooth to prevent dirt build up.