Bike Rear Brake Kit 31.8mm 22.2mm Aluminum Alloy Brake Levers Caliper Brakes Bicycle Parts Smooth lever action provides reliable stopping power. Includes levers and calipers for complete rear brake system setup. This heavy-duty bicycle brake drum delivers consistent, powerful stopping force even on wet or muddy roads, ensuring reliable braking performance for daily commutes. Durable cast iron construction withstands high friction heat and continuous use, delivering long-lasting service life for daily commuting and recreational riding., Manufacturer: NHABXGDS