All Balls leading technology 8-Ball Extreme Duty axles are up to 40% stronger than OE axles. These complete axles feature enlarged CV joints, bearing cages, and chromoly axle shafts. All internal components are precision ground and utilize molybdenum grease. 
8 Ball AB8-YA-8-358

Rear Left / Rear Right Fitment:

• Yamaha YXZ1000R EPS 16-21
• Yamaha YXZ1000R EPS SE 17-20
• Yamaha YXZ1000R EPS SS 17-21
• Yamaha YXZ1000R EPS SS SE 17-21
• Yamaha YXZ1000R EPS SS XTR 20-21
• Yamaha YXZ1000R SE 16