Calfee Tetra pro track frame in XS size built for 650c wheels Top tube is 49 cm, seat is 44cm center to center nd 48cm center to top. Frame is free of any significant wear. Frame has absolutely minimal wear. It currenly is set up fixed, but you can use it as a single speed or a belt-drive set up. Wheels are Dura Ace 7710 hubs laced to Velocity Escapte 28h rims. Tubular tires are shot and need to be replaced. Not usable as is. Cranks are Dura Ace 7710 NJS 170mm with 50t ring. Deda Drop bars with Strong NJS Grips Thompson post with Selle Italia Aspide carbon saddle. As it sits bike is a great cadence training, or competition grade bike for a junior rider or just shorter rider. Can part out.