Upgraded Version: V-Sand Guide SlotsUnique V-shaped sand guide slots can prevent sand, mud and stone damage to the rims when braking. Slightly curved design does not damage the wheel and provides better braking power. Ideal braking performance for your daily cycling life and various road conditions. High Quality MaterialUsing natural rubber, wear-resistant, decontamination and noise reduction, no squeak when braking. Alloy steel parts extremely durable and long lasting for all weather conditions. Better material, safer cycling, more fun! PRECISE PERFORMANCEThese V-brake pads are optimally tailored for V-brake systems. They are designed to hold your bike quickly and securely without squeaking and slipping when you stop quickly. Perfect for professional and recreational cyclists. Easy to UseEach pair has clear left and right text marker. Please read the text marking on the brake pads before installation. Easy and quick to install, effectively avoid the noise caused by the wrong installation. Wide CompatibilityIncludes 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 others.