Note:If the shorter chain is out of stock,we will send the longer one.If mind,please do not buy. SHIMANO 105 11-Speed Super Narrow Road Chain Note:If the shorter sizes are out of stock,we will send you longer size. SHIMANO STEPS E6000 - 11-Speed - Super Narrow - HYPERGLIDE - SIL-TEC - E-BIKE Chain This Super Narrow HG-X11 directional chain offers precise shifting and improved durability thanks to SHIMANO's SIL-TEC treatment on the inner plate surfaces. System engineered drivetrain component for optimal power transfer Inner-plate treated with SHIMANO's ultra-low friction surface treatment "SIL-TEC" (inner plate) Same durability as current 10-speed chain Smooth and precise front and rear shifting Directional chain MODEL NO :CN-HG-601 SERIES:SHIMANO Weight:267g Roller link plate:SIL-TEC Type:HG-X11 E-Bike RD system compatible:YES

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