They are a low-profile tubeless rim featuring a tiebeam triple-cavity design that resists damage and air loss under impact

Tool-free range adjustment

Gauge location: Located on the base plate of the pump for easy viewing during inflation

Super Fast rolling

Pros: Highly adjustable

Wolf Tooth Syntace X-12 Rear Axle - Black - 165mm Axle Length - 12 x 148 Boost - M12 x 1.0mm Thread Pitch Needs Images They are a low-profile tubelessWolf Tooth now offer axles that are compatible with the Syntace X 12 System. The primary difference between the X 12 axle and their other axles is the X 12 uses a conical washer, where the other axles have a flat washer. The Wolf Tooth Syntace X 12 Rear Axle is more than just a replacement rear axle. They use a captive steel washer under the head which reduces friction on the dropout face. This protects your frame and transfers more of the clamping