Features: A slightly curved design does not hurt the wheel, provides good braking ability. Effectively prevents diversion sand damage to the wheel when braking. With compact size and light weight, The brake pads are portable and essentials for long-distance riding. The brake pads can be widely applied for most bike, fit for bike repairing and backup in daily. Before Installing the brake pads, you need to distinguish R and L on the pads which represents right and left. Specification: Material: rubber, aluminum alloy Length: 70 mm/2.76 inches Width: 1cm/0.39 inches Height: 3.8cm/1.5 inches Color: red Package included: 4 x V-bike brake pads 1 x L-shaped hexagon wrench Notes: Some new product of hex nuts connecting brake pad is tight, that need pliers turn on. Each pair V brake pads have left and right, please carefully read the text on the brake pads.