Rear dual sprockets Yamaha YZ 450 F 03-18 moto mx & enduro Corona bimetallo

DUAL SPROCKETS 

• 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
• Inner rings are anodized; available in black, silver, blue, red, orange or green