Feature: 1. SENSITIVE AND FLUENT: Mountain bike chain quickly captures the shifting action of the double X bridge design chain piece, the winding point is sensitive and fluent, and the intense transmission state between the teeth run more steadily. 2. HIGH PERFORMANCE: 11 speed bicycle chain has an inline shaft with high insertion force and strong pulling force, faster response rate, higher transmission rate, and reduced power transmission loss, could be used for a long time. 3. HIGHLY RIGID FORGING: Bike chain quenching and heat treatment impact resistance new structure of integrated stamping, high rigidity forging process can withstand high strength instantaneous explosive force, greatly enhance the service life. 4. WIDE RANGE OF ADAPTATIONS: Bicycle chain is fully compatible with all 3 major shifting systems and is widely available for Sram, for Campagnolo and other for hybrid systems, the best choice for you and can satisfy your various needs. 5. COLOR PLATING: Variable speed chain is color plating, anti pollution, anti corrosion, anti rust, anti fading, effectively reducing the number of maintenance, making the ride more convenient. Make your mountain bike look cooler. Specification: Item Type: Colorful Bike Chain Material: Carbon Steel Speed: 11 Speed. Package List: 1 x Colorful Bike Chain2 x Chain Connector