Efficient V-brake design provides powerful yet highly controllable braking.The BUCKLOS V brake provide Vertical aluminium arms with 107mm length and direct cable action design creates a powerful leverage ratio with plenty of mudguard clearance.The brakes set fit for most V brakes Type bike brake parts upgrade. V Brake Description: Brand: BUCKLOS Color: Black Braking Type: Linear Pull Material: aluminum alloy Arm Size: 107mm(center to center) Weight: about 375g(front&rear) Mounting Hole Size: about 8mm (Note: The front and rear v brakes are the same, you can buy one or two pairs according to your needs.).