The ROLLCii RC39DB hub set features a lightweight yet robust hub body, crafted with a precision-machined 7075 aluminum 17mm axle for enhanced strength—making it the perfect choice for mountain biking enthusiasts. Outfitted with ENDURO sealed bearings, it delivers a smooth and reliable rolling experience. Its 6 pawls, 2 actions, and 60-tooth ratchet ensure rapid engagement for responsive performance.

As the central component of a wheelset, the RC39DB efficiently transfers force, converting every ounce of effort into forward momentum. Ideal for trail and enduro riding, as well as custom wheel builds, this hub set offers the durability and precision needed to elevate your mountain biking adventures.