The ROLLCii RC07DB straight-pull hub set features a lightweight hub body and a precision-machined AL-7075 17mm axle, making it an excellent choice for disc brake road bikes, gravel bikes, and cyclocross riding. Equipped with ENDURO sealed bearings for smooth rolling and a 4-pawl, 24-tooth ratchet for fast engagement, it delivers efficient power transfer on every ride. Perfect for custom-built wheels and ideal for bikepacking adventures.