A 40mm (1 5/8in) reduction of in-frame height when compared to Connectamajig-equipped Reverbs

The M1 Helmet has four colour choices so there’s something for everyone in sizes from Youth Medium through to Adult XL

Who is this for: These kits are perfect to stash in a pack

Once the Shifter Lever is slid over the round assembly

Chain compatibility: This will work for 5 to 11-speed chains

Burgtec Thick-Thin Direct Mount Chain Ring - SRAM Direct Mount - 3mm Boost - Round - Black - 9-12 Speed - 34T Back in Stock A 40mm (1 5/8in) reductionKeep 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.