A great track wheel set. 60mm carbon. DT-Swiss track hubs. Front wheel has a rim brake track. Wheels were built by a professional wheel builder in 2025. Sapim CX-Ray spokes. Wheels are in superb condition and have been used for 200 miles. The rear wheel is reversible, so you can have two cogs on one wheel! Can be used for track, fixed gear, or fixie.