Regulable, easily adapte to frame of different size. Suitable for various cycling environment such as commuting, mountain biking, and long-distances travel. Easyly to install, without need for professional tool. Suitable for bicycles enthusiasts, professional cyclists, and users who need to replace or upgraded their front wheel drives. High strengths aluminum alloys component ensures durability and stability, suitable for various bicycles models., Manufacturer: Vdaxvme