650B gravel wheels was built with one goal in mind: making the best rim possible for long distance gravel racing or riding.
With a massive 24mm inner diameter, the 650b carbon gravel wheelset provides a stable profile for even the widest gravel tires.
The strength has been further improved in the latest DT240 road hubs. In the latest Ratchet EXP system, 36 Teeth ratchet improves power transfer efficiency, helps to shorten acceleration time. The bearing distance has been slightly increased to prolong the lifetime of bearings. Simplified end-caps design for tool-free disassembly and easy maintenance.
To match high end DT240 hubs, high-end Sapim CX-Ray spokes are used, which is one of the best spokes available in the market. 
Sapim CX-Ray spokes is the best combination of light weight, strength, flexibility, and it performs best in fatigue testing. 
Carbon wheels built with DT240 hubs are ideal for racing.Hign-end hubs, spokes and rims make high end carbon gravel wheels for racing.

- High end DT Swiss 240 EXP road hubs, with straight pull spoke system.
- Both Shimano 11/12s and Sram 12s XDR freehub optional.
- Sapim CX-Ray spokes, super light and aero.
-Wider 30mm outer width, suitable for all sorts of on-road and off-road riding.
-Both hooked and hookless designs are available, allow high and low tire pressure.
-With a hooked bead and an internal width of 23mm, the 40mm can run anything from the super low pressures for gravel, right up to high pressure when the ride turns to pavement.