Features:- Asymmetrical Chamfering Avoids Interference- Added Chamfering for Smooth Operation- Impeccable Precision Phenomenal Shifting Performance- Worry-Free Component Low Maintenance- EcoProteQ Weatherproof Chain Ultimate Protection- Outstanding Anti-Rust Defense Surpasses 650 hours Salt Spray Test- Authenticated Eco-friendly Production Awarded Internationally & Industry RenownedBenefits:- Unsurpassed riveting geometrySpecifications:- One Chain for All|100% Compatibility On All Leading Derailleur Systems- Size: 1/2´´x11/128´´