Burgtec Thick-Thin Direct Mount Chain Ring - Shimano Direct Mount - 3mm Boost - Round - Purple Rain - 12 Speed Shimano - 30T netsuite-webdata-created 1 x Wave Washer (SRAM

1 x Wave Washer (SRAM versions only)

day-in and day-out

It's the tread pattern that differs between them

Bearing style/amount: Oversized 6902 bearings for better durability

Burgtec Thick-Thin Direct Mount Chain Ring - Shimano Direct Mount - 3mm Boost - Round - Purple Rain - 12 Speed Shimano - 30T netsuite-webdata-created 1 x Wave Washer (SRAMKeep 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.