Burgtec Thick-Thin Direct Mount Chain Ring - SRAM Direct Mount - 3mm Boost - Round - Kash Bronze - 9-12 Speed - 30T Envelope Shipping A2 Spec has no marking

A2 Spec has no marking at the top of the stanchion and the speed adjuster knob is black (vs Silver for the A1)

Brake Type/Fluid: They take Mineral Oil

Sublimated fade resistant graphics

insulation and comfort

Burgtec Thick-Thin Direct Mount Chain Ring - SRAM Direct Mount - 3mm Boost - Round - Kash Bronze - 9-12 Speed - 30T Envelope Shipping A2 Spec has no markingKeep 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.