Burgtec Thick-Thin Direct Mount Chain Ring - Shimano Direct Mount - 3mm Boost - Round - Kash Bronze - 12 Speed Shimano - 34T YGroup_7083815010349 With Ultimate

With Ultimate

Got some curves and find it hard to find some quality riding shorts that fit properly

Clarino palm

The 39mm end is the right size for XTR BB93 (as well as DuraAce 9000 and some Token BB's) external bottom brackets

Brake caliper compatibility: Compatible with a range of brakes:

Burgtec Thick-Thin Direct Mount Chain Ring - Shimano Direct Mount - 3mm Boost - Round - Kash Bronze - 12 Speed Shimano - 34T YGroup_7083815010349 With UltimateKeep 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.