Burgtec Thick-Thin Direct Mount Chain Ring - SRAM Direct Mount - 3mm Boost - Round - Race Red - 9-12 Speed - 30T YGroup_7033640484909 The XT BR-M8020 callipers are

The XT BR-M8020 callipers are also backwards compatible with the XT M8000 lever

Strong rotating tip system ensures smooth operation and long life

Air Valve Adapter Tool

The 50 Lumen rear light mounts with a custom made silicone o-rings

Retention System: The U80 gets Azur's comfort fit system which allows you to dial in your fit using the rear adjuster

Burgtec Thick-Thin Direct Mount Chain Ring - SRAM Direct Mount - 3mm Boost - Round - Race Red - 9-12 Speed - 30T YGroup_7033640484909 The XT BR-M8020 callipers areKeep 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.