About this item -The disc brake can be installed in both directions, the inner and outer brake pads can always be adjusted accordingly. -G3 discs are made of 160mm stainless steel, standard 44mm and 22mm, perfectly level and very smooth. -White NV5 aluminum alloy disc brakes and cables, exclusive paint, high-temperature burn-in paint, anti-corrosion surface treatment, smooth and easy to clean. -Reinforced BB5 half metal half resin brake pads. Extreme braking ability to ensure safety on the road. -The braking effect is consistent in different road and weather conditions. .