Renthal Mud-Resistant Steel Motorcycle Sprocket Yamaha YZ 85 (CB04) 428

The Renthal sprockets and sprocket rings are developed in racing in the USA, and are precision machined from high-quality materials. These transmission components help to reduce friction, aiming to transfer the maximum power to the rear wheel.

• Mud-resistant: better mud clearance for maximum and consistent efficiency
• Made from a nickel-chrome-molybdenum alloy: increased strength
• Reduced weight compared to stock components
• Excellent balance between efficiency and durability
• Recommended for racing

Specifications :

• material: Steel
• weight (g): 121
• width (mm): 109
• height (mm): 12
• length (mm): 114
• volume (cm³): 149
• chain pitch: 428
• sprocket version: Mud-resistant
• number of teeth: 14 teeth
• number of teeth (sprocket): 14