SPROCKET R 520 39T HA

Aluminum Wheel Rear Chainwheel

• Their advanced tooth profile, concentricity and accuracy of fit provide maximum power transfer and long-life
• Renthal's combination of a high strength base material and exceptionally hardwearing surface result in significantly increased chainwheel life over other brands
• For Models with:
• BST Carbon wheels 76x100 pitch circle diameter
• Marchesini wheels 76x100 pitch circle diameter
• OZ Racing wheels 76x100 pitch circle diameter