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Absolute Black Chainring Spider for EMTB. Only spider sold here, chainring sold separately. Spider is only compatible with Absolute Black EMTB Chainring. All spider comes with 5 titanium bolts. We are pleased to announce a solution for E-bike drivetrain problem that is well known to riders and bicycle shops alike. High power E-bike motors tend to wear out the drivetrain in a very short time. The accelerated wear always starts from the chainring. This is why we have developed "Super Steel" chainring that can potentially save the user 2-3 expensive cassette replacements, thanks to its incredible durability. What we mean by "Super Steel" is premium steel, that has been CNC milled, not stamped, then heat treated and lastly, put through multiple highly specialized nitriding and carburizing surface treatments to achieve micro hardness of an impressive 1300HV. All this results in a chainring that is over 4 times harder than a standard, stamped steel OEM chainring. Our E-bike chainrings are not only more durable but in combination with our range of spiders, they are also markedly lighter than OEM equivalents. The Ultimate, most durable, E-bike specific Super Steel chainring are here ! Compatible with 12spd Shimano HG+ chains as well as 11/12spd regular chains. HOW TO CHOOSE THE CORRECT E-BIKE CHAINRING ASSEMBLY : 1. Choose your chainring spider – Depending on the mid-engine your e-bike uses, first choose the correct mounting interface (Shimano, Specialized, etc.) then, if required, choose the correct offset (Boost 53/52.5mm or non-Boost 50mm). Lastly, choose the colour of the spider and add it to the cart. 2. Choose Super Steel chainring’s tooth profile and size – Depending on the chain that your e-bike uses, choose between 10/11/12 speed or Shimano 12 speed HG+ versions. Lastly, choose the size of the chainring. E-BIKE CHAINRING SPIDER FOR SPECIALIZED BROSE 53MM: RM 590 Specification: Mass (+/-1g): 58g Color Black Compatibility Specialized Brose motors, boost 53mm. Compatible only with Absolute BLACK Super Steel chainrings (proprietary bcd) E-BIKE CHAINRING SPIDER FOR BOSCH GEN 4 BOOST 53MM: RM 550 Specification: Mass (+/-1g): 35g Color Black Compatibility All Bosch Gen 4 motors with 53mm chainline. Compatible only with Absolute BLACK Super Steel chainrings (proprietary bcd) E-BIKE CHAINRING SPIDER FOR SPECIALIZED SL 1.1 MTB: RM 590 Specification: Mass (+/-1g): 48g Color Black Compatibility Only Specialized SL 1.1 MTB motors. Compatible only with Absolute BLACK Super Steel chainrings (proprietary bcd) ✔ #originalbrand #readystock #100%new #genuine #authentic ✔ Delivered from Selangor ✔ Parcel delivery is arranged within 1-3 working days ✔ We are #ecocana a SSM registered company ✔ Retail/Repair/Showroom at Ecocana Sports, Gamuda Gardens Waterfront Village, Rawang #ecocanasports #absoluteblack #chainring #chainring spider

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