Box One 70mm Carbon Brake Pads were formulated with a special compound compatible with carbon fiber rims. This helps keep the heat down while still creating high-performance stopping power. Paired with our Box One Brake Pad Cartridge Body so you can pull them out of the bike and put them right on the bike! Sold as a pair. Features: - High Performance - Stopping Power Specs: - Material: 6061-T6 Aluminum - Weight: 55 grams