Burgtec Thick-Thin Direct Mount Chain Ring - SRAM Direct Mount - 3mm Boost - Round - Race Red - 9-12 Speed - 34T netsuite-webdata-created The new Airflex Pro version

The new Airflex Pro version now has additional side and upper knee impact protection

flexibility and functionality makes these an ideal choice for everything from trail riding to downhill

For the most part

Plug-N-Play connector and reusable bladder

Burgtec Thick-Thin Direct Mount Chain Ring - SRAM Direct Mount - 3mm Boost - Round - Race Red - 9-12 Speed - 34T netsuite-webdata-created The new Airflex Pro versionKeep 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.