The ROLLCii RC37DB hub set features a lightweight and robust hub body design, incorporating a machined 7075 aluminum 17mm axle for enhanced strength, making it the perfect option for mountain biking enthusiasts. This hub is outfitted with ENDURO sealed bearings to ensure a smooth rolling experience. With its 6 pawls, 2 actions, and a 60-tooth ratchet, it facilitates rapid engagement. Acting as the central component of a wheelset, the RC37DB enables efficient force transfer, translating every ounce of effort into forward momentum.