4mm across

Pros: Good compromise between all-out security and weight

Pros: Allows for greater flexibility with mounting locations for your Lezyne computer

Tired of your uncomfortable remote

L56xW43xH50mm and it weighs 98gm

Burgtec Thick-Thin Direct Mount Chain Ring - SRAM Direct Mount - 3mm Boost - Round - Kash Bronze - 9-12 Speed - 32T Replace Images 4mm acrossKeep 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.