Features of the Shimano CN-HG601-11 Bike Chain Smooth and reliable shifting Performance with asymmetric plate design for 11-speed Inner-plate treated with shimano's ultra-low friction surface treatment in. SIL-TECin. (inner plate) System engineered drivetrain component for optimal power transfer Directional chain E-Bike RD system compatible Specifications Generation: Deore HG601-11 Speeds: 11 Average weight: 257 g Roller link plate: SIL-TEC