【Upgraded version 2020: V-shaped sand guide slots】 Unique V-shaped sand guide slots can prevent sand, mud and stone damage to the rims when braking. The slightly curved design does not damage the bike and provides better stopping power. Ideal braking performance for your daily cycling life and different road conditions. 【High quality material】 With natural rubber, wear-resistant, decontaminating and noise-canceling, no squeaking when braking. Alloy steel parts, extremely durable and durable for all weathers. Better equipment, safer cycling, more fun 【Precise performance】 These V-brake pads are ideally suited for V-brake systems and have been developed to stop your bike quickly and safely without squealing or slipping when you stop quickly. Perfect for professional and amateur cyclists. 【Easy to use】 Each pair has clear text markers on the left and right. Please read the marking text on the brake pads before installation. Easy and quick to assemble, you effectively avoid noise caused by improper installation. 【Wide compatibility】 Including 2 pairs of 70mm brake pads compatible with various V-brake systems from Avid, Cane Creek, Clarks, Contec, Promax, Shimano, SRAM, Tektro, XLC and many more .