Burgtec Thick-Thin Direct Mount Chain Ring - SRAM Direct Mount - 3mm Boost - Round - Rhodium Silver - 9-12 Speed - 28T YGroup_7033466191917 The Femto's durable co-molded construction

The Femto's durable co-molded construction is minimal and has an IPX7 water resistance rating

DUB BSA MTB 83

Pros: High quality tool that makes it easy to replace your own threaded BSA bottom bracket

Sole Type: They feature an aggressive tread pattern across the full length of the sole

Rear speeds12

Burgtec Thick-Thin Direct Mount Chain Ring - SRAM Direct Mount - 3mm Boost - Round - Rhodium Silver - 9-12 Speed - 28T YGroup_7033466191917 The Femto's durable co-molded 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.