12-Speed High Rigidity Mountain Bike Chain - Carbon Steel Variable Speed Bicycle Chain with Sensitive Impact Resistance for Road & MTB | Perfect for Off-Road Cycling, Commuting & Performance Upgrades

Feature: 1. High Rigidity: Bike chain's built in shaft has high fitting force and strong pulling force, faster response rate and higher transmission rate to reduce power transmission loss. 2. High Sensitivity: Quickly capturing the shifting action, double X bridge design chain piece, the winding point is sensitive and smoother, and the operation is smoother and more stable. 3. Adaptation Standard: 12 speed bike chain is fully compatible with 3 major mainstream shifting systems and other mashup systems. 4. Exquisite Workmanship: Quenching heat treatment to resist impact force, new structure integrated stamping, high rigidity forging process can withstand high strength instantaneous explosive force, greatly enhancing service life. 5. Carbon Steel: Bike variable speed chain is made of carbon steel material, high hardness, anti rust, , can be used for a long time. Specification: Item Type: Bike Variable Speed Chain Material: Carbon Steel Speed: 12 Speed Package List: 1 x Bike Variable Speed Chain 2 x Hook and Loop