Check the listing for details. KMC E-Bike Chain e8 e10 e11 e12 EPT Bicycle Chains 6/7/8/10/11/12 Speed 136L. Condition: New. Listed at 40.84 USD. KMC E8 E10 E11 E12 Anti-Rust Chain 6 7 8 10 11 12 Speed Guarantee:100% Genuine Model: E8/E10/E11/E12Dimensions: 1/2''x11/128''Link: 136 Links/130 LinksWeight: about 330-362 gramsColor: Only E10 and E11 is EPT(Anti-Rust)Compatible:For BOSCH and other 6 7 8 10 11 12 Speed sports electri bicycle systems-Hydraulic riveting technology-2X wear resistance performance-Accurate and agile shifting performance-Special design for mid-drive engine-Increase the smoothness of shifting-Improve shifting performance Description 【Cutting Edge Technology｜Unparalleled Tensile Strength】【New Shield Tech Riveting｜Conquer All Terrain】【Unparalleled Rigidity & Strength｜Exceptional Durability】【Worry-Free Component ｜Low Maintenance】【EcoProteQ Weatherproof Chain｜Ultimate Protection】【Outstanding Anti-Rust Defense｜Surpasses 650 hours Salt Spray Test】【Authenticated Eco-friendly Production｜Awarded Internationally & Industry Renowned】 Features Highest Pin Power: Benefits-Unsurpassed riveting geometryEco ProTeQ:Superior anti rust capabilitiesTriple X Durability:Triple SP exceptional durabilityDouble ''X'' Bridge Shape:Precise gear shiftingHigh Torsion Resistance:E-Bike system compatibleInner Plate Chamfering:Expeditious shifting E10 Turbo EPT E10 Turbo EPT:10 Speed 136LSize:1/2''x11/128''Compatibility : For BOSCH and other 10 speed chain driven eBike systemsSuitable For:e-Bike E11 Turbo EPT E11 Turbo EPT:11 Speed 136LSize:1/2''x11/128''Compatibility :For BOSCH and other 11 speed chain driven eBike systemsSuitable For:e-Bike E12 Turbo E12 Turbo :12 Speed 130LSize:1/2''x11/128''Compatibility : BOSCH and other 12 speed chain driven eBike systemsSuitable For:e-Bike