With great loading bearing and smooth surfaceFits for BB5 BB7 Brake Caliperseffect: The old spring is difficult to brake. You should replace it after a period of use to that the brake tool can be used smoothly Features: One-piece stamping, fine workmanship and stable force, smooth lines, smooth and smooth appearance.Net weight: 5.1gModel Number: 74Braking System: Hydraulic Disc Brake (Hydraulic Brake Pad)Components: Disc BrakeUse: Mountain Bikescolour:SilverMaterial:steelsize:2.26cm x 1.86cmPackage Contents:6 x Bike Disc Brake Calipers SpringsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.