Drainage design: Our brake pad is designed with arc and drainage, V-shaped sand guide slots prevent sand, mud and stone damage to wheel rims, improve the braking performance of driving in the rain and snow. Wear-resistant and durable: Made of tough rubber and aluminum alloy, durable and non-slip. Good waste removal performance abrasion resistant, heat resistant, no hurting the wheel rim, low noise. Easy Installation: Each piece of v brake pad comes with 1 piece hex nut and 5 piece spacers for convenient installation. It also comes with a 5mm Allen key for assembly and replacement adjustment. Wide usage: suitable for most V-brake road bike, mountain bike, city bike, bicycle folding. Each pair of V brake pads has left and right, please carefully identify the brand before installation. Brake pad size: You will get 4 pairs of V brake pads, length 70mm, width 15 mm and height 37 mm; Lightweight and portable, convenient for taking a long trip. Product Description Features: -V-shaped brake pads prevent damage the rims from sand, mud and stone and provides better braking performance. -Slightly curved design fits the rim better and provides braking capability without making harsh noises . -Made of harmless and tough rubber and aluminum alloy, durable and durable for all weather, no noise, no skidding. -Each pad of brake has a nut and 5 spacers. Comes with the lightweight hex wrench for easy installation. -Fits most V-brake, MTB, Cruiser road bikes. convenient for taking a long trip. Specifications: Material: rubber + aluminum alloy Color: black Length of the brake block: 70mm Size: 70x37x15mm Screw diameter: 5mm Weight: 61g a pair Quantity : 4 pairs Package includes: 8 x V Bike Brake Pads (4 pairs) 1 x Allen Wrench Warm Tip: 1) When the degree of wear reaches the limit mark line, please replace it in time. 2) Each pair of brake pads has left and right . Please identify the brand before installation.