Burgtec Thick-Thin Direct Mount Chain Ring - Shimano Direct Mount - 3mm Boost - Round - Rhodium Silver - 12 Speed Shimano - 34T Dangerous Goods Choose VPD system to experience

Choose VPD system to experience POC's most sophisticated protection that blends low friction materials with a breathable construction for comfort and extremely high impact absorbency

Races are hardened to R-62 and polished to a mirror finish with ABEC 3 certification for tolerance and noise

Internal mesh lining

Weight: About 130-grams including a shift cable

and maximum bermage

Burgtec Thick-Thin Direct Mount Chain Ring - Shimano Direct Mount - 3mm Boost - Round - Rhodium Silver - 12 Speed Shimano - 34T Dangerous Goods Choose VPD system to experienceKeep 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.