Burgtec Thick-Thin Direct Mount Chain Ring - Shimano Direct Mount - 3mm Boost - Round - Black - 12 Speed Shimano - 34T YGroup_7033412681773 12x148mm or 12x157mm

12x148mm or 12x157mm

For those that like to know the finer construction details: 35% neoprene

Magnetic bit holder

Protection Style: Ergonomically contoured knee cup consists of a combination stack of EVA

Burgtec Thick-Thin Direct Mount Chain Ring - Shimano Direct Mount - 3mm Boost - Round - Black - 12 Speed Shimano - 34T YGroup_7033412681773 12x148mm or 12x157mmKeep 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.