It has a 454% range to get you up and down those trails

Material: US Sourced 7075 Aluminium

Soft / firm: Super soft and thick rubber compound developed and manufactured in Germany

they are the same units

the uninterrupted clamp on the underside of the handlebar eliminates stress risers found on most other clamps

Burgtec Thick-Thin Direct Mount Chain Ring - SRAM Direct Mount - 3mm Boost - Round - Black - 9-12 Speed - 28T PDP|Colour It has a 454% rangeKeep 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.