- Pro X-ring chain lasts five to eight times longer than standard chain
- Provides two more lubricant pools than conventional O-rings for longer life
- Lubricated with specially formulated, vacuum-injected U-grease; locked in by tough Nitrile Butadine rubber X rings
- Polished and shot-peened link plates
- High tensile strength ensures reliable performance
- Cut-to-length and bulk chains include rivet connecting link
- 520 XSO - For street and dirt bikes up to 750cc
- GB 520 XSO - For street and dirt bikes up to 750cc
- GB 525 XSO - For street bikes up to 900cc and dirt bikes up to 750cc
Shipping weight: 17.50 lbs
Made in JP
Sold as: RL
This is a vehicle specific fit product, please select your vehicle for correct fitment