This wheel set is built around the Light Bicycle RM29C07 (29er) or RM650B05 (27″) Carbon rim with a 30mm inside rim width, tubeless compatibility and hookless beads. Light Bicycle is a quality Chinese rim with a good reputation, and will lower the cost of a carbon wheel set by around $200. They do take longer to ship so expect to receive wheels up to 4 weeks from ordering. Spokes are black Sapim D-Lights with black Sapim Secure Lock allow nipples. The hub choices are ISO disc from White Industries, DT Swiss, or Chris King. Other hubs and spokes are available.