Burgtec Thick-Thin Direct Mount Chain Ring - Shimano Direct Mount - 3mm Boost - Round - Deep Blue - 12 Speed Shimano - 30T Replace Images Materials: All aluminium construction

Materials: All aluminium construction

XC/Gravel: 25mm tape: Suits 23mm - 25mm internal rim width

The clamps use a one-piece hinged design and can be mounted to either the right or left side of the bars

Stay warmer

Weight    130 g / 4

Burgtec Thick-Thin Direct Mount Chain Ring - Shimano Direct Mount - 3mm Boost - Round - Deep Blue - 12 Speed Shimano - 30T Replace Images Materials: All aluminium constructionKeep 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.