Construction: Made with an in-mould polycarbonate shell that is bonded to an EPS foam liner

Designed and built to remove and install the lockring that retains front chainrings found on Shimano STEPS e-bike motors

Garbaruk rear derailleur cage is optional

Volume adjustability: Air volume can be adjusted by removing or replacing bottomless tokens

but want to keep your fabulous Hope hubs

Burgtec Thick-Thin Direct Mount Chain Ring - SRAM Direct Mount - 3mm Boost - Round - Purple Rain - 9-12 Speed - 34T Images Uploaded - Ready for Review Construction: Made with an in-mouldKeep that chain in place where it should be with a Burgtec Thick Thin Chain Ring. Designed with a proven thick thin tooth profile for improved chain retention. Who's this item for: Riders who use 1x drivetrains and are looking for superior chain retention as well as durability. Weight: 0. 08g Pros: Wide range of tooth options. Works for 9, 10, 11, and 12 speed setups. Great build quality. Cons: Oval options not available in all mounting types.