They have seen some minor revisions over the last few years

The wheel trays are adjustable for length and to allow the bikes to be mounted slightly offset so they don't bang into each other

Not recommended for titanium threads

By optimising the carbon layup

They'll perform well for almost any type of riding though

Burgtec Thick-Thin Direct Mount Chain Ring - Shimano Direct Mount - 3mm Boost - Round - Black - 12 Speed Shimano - 30T Replace Images They have seen some minorKeep 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.