Burgtec Thick-Thin Direct Mount Chain Ring - Shimano Direct Mount - 3mm Boost - Round - Black - 12 Speed Shimano - 28T YGroup_7033484181549 SRAM added 15% extra piston

SRAM added 15% extra piston power and 30% more volume in the lever reservoir

Safe to use on all bike surfaces

ISEV-22 Clamp is for a Shimano I-SPEC EV shifter mounting directly to a handlebar

Cons: Available in wide width only

Burgtec Thick-Thin Direct Mount Chain Ring - Shimano Direct Mount - 3mm Boost - Round - Black - 12 Speed Shimano - 28T YGroup_7033484181549 SRAM added 15% extra pistonKeep 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.