Features： 1、Efficient Anti Corrosion: High strength anti rust function, anti fouling and anti corrosion. 2、High Mating Force: Enhanced wear resistance, low noise during riding, and upgraded experience. 3、Smooth Shifting: Quickly engage, increase the smoothness of shifting, and improve shifting performance. 4、Chain Guide Angle Design: Waist guide angle quickly engages, and the asymmetrical guide angle is narrow and does not interfere, and quickly engages. 5、Safe Driving: You can easily drive in the sandy muddy wetlands of forest roads, which can effectively reduce the frequency of maintenance and can be cleaned with water. Specification： Item Type: 11 Speed Bicycle Chain Color: As Pictures Shown Material: Alloy Steel Weight: Approx.297g/10.5oz Application: 11 Speed Flywheel Chain Number of Knots: 116 Knots Specification: 1/2in × 11/128in Package List： 1 x Chain 2 x Chain Buckle 1 x Storage Box 1 x Manual