Ultra-strong, super-light aluminum brackets that mount separately for use on more than one bike. Swap the bag from bike to bike quickly and easily with this spare handlebar bag mount. Won't slip, shift, or move and safely supports heavy gear including DSLR cameras. One mount fits Arkel's Large or Small bar bag. Interchangeable, depending on your ride needs. Fits bars from 22.2 mm to 31.8 mm.