SUMC Bicycle Chain 8/9/10/11/12 Speed Half/Full Hollow Ultralight Chain Mountain Bike Road Bike Chain Parts Cycling Accsessories Description: Sumc boxed licensed chain, complete models 8/9/10/11/12 speed chain, 9/10/11/12 speed hollow chain, color chain 11-speed carbon diamond series: SX11SL ultra-light full hollow 116 knots Specification Brand: SUMC Material: special steel Item No.: SUMC Chain Model: 8/9/10/11/12 speed Color: S82 gray (8 speed), S99 silver (9 speed), SX9EL silver hollow (9 speed), SX10 silver (10 speed), SX10EL silver hollow (10 speed), SX10EL titanium gold (10 speed), SX11 gun silver (11 speed), SX11SL titanium gold (11 speed), SX12 silver (12 speed), SX12SL titanium gold (12 speed), SX13 silver (13 speed) Scope of application: mountain bikes, road bikes, folding bikes are compatible with Shimano, Shuntai, Blueprint and other transmission systems Include: 1*chain Specifications: -Light and compact Featherweight design Each precision structure has been re-calculated and designed, not only light but also better, it is a better choice for light weight matching -Anti-wear heat treatment technology makes chain more durable -Strong pulling force Rounded scallops to enhance the fit. The design of the semi-hollow mud discharge hole is not easy to get dirty and easy to clean. The mud discharge hole design makes it easier to discharge the mud and sand in the gap, which is simple and easy to maintain. -Double-sided design Simple installation, double-sided symmetrical design, both front and back can be directly sleeved, installed on top, fast, accurate and simpler, symmetrical quick buckle, durable, symmetrical quick buckle, durable, safe and extra points. Package Included: 1*chain