100% brand new and high quality Exquisite workmanship, feeling fine, easy to use. Unique thread design, effectively and directly to make bicycle braking. Fit for: Bike,bicycle. Material:Aluminum Size: Hole distance of 48mm, an inner diameter of 34mm(approx) Hole distance of 44mm, an inner diameter of 34mm(approx) Process: CNC, T6 treatment Color:Silver Quantity: 1 pc