Burgtec Thick-Thin Direct Mount Chain Ring - Shimano Direct Mount - 3mm Boost - Round - Purple Rain - 12 Speed Shimano - 30T netsuite-webdata-created measure from the pivot centre

measure from the pivot centre to the end of your current lever

Pros: Makes it easier to run the correct weight spring on your bike without excessive bottoming

It's the tread pattern that differs between them

The Performance Glove is constructed from Spandex

Burgtec Thick-Thin Direct Mount Chain Ring - Shimano Direct Mount - 3mm Boost - Round - Purple Rain - 12 Speed Shimano - 30T netsuite-webdata-created measure from the pivot centreKeep 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.