WTB's proprietary 4D spoke drilling prevents binding and lateral loading of the spokes, while the spoke bed itself has been updated to provide a more compatible interface between the spoke and rim. Integration of the all-new Solid Strip the TCS 2.0 rims delivers an easy to mount and reliable tubeless system.TCS2.0 rims require the application of TCS tape on top of the Solid-StripPatented CVX technology strengthens the spoke bed without increasing weight, by thickening material where it s needed and removing where it s not. The unique geometry also increases contact area between the nipple head and rim to better distribute load and reduce stress at the spoke holeTCS 2.0 creates a more robust, easily installed and dependable tubeless system4D angled spoke drilling eliminates binding and lateral loading, and disperses tension more evenly over a greater areaItem SpecificationsBrake CompatibilityDisc OnlyBrake TrackNoneColorBlackDefined ColorBlackEyeletsNoneHub Drilling28ISO Diameter622 / Road / 29"Manufacturer Spec ERD (mm)606MaterialAlloyRim Center Offset (mm)0Rim MaterialAlloyRim Width (Internal)23Tire TypeTubeless ReadyValvePrestaWeight443Wheel Size29" WTB KOM Light Rim Rims UPC: 714401206359