1. Board: non-replaceable 2. Material: rubber, metal 3. Up to 73mm, with a certain arc, fits the rim and improves the braking force 4. Two-color combination, the degree of wear is clearly visible, and it is easy to replace the brake pads 5. Drain lines and silencing holes to improve braking capacity and reduce noise during braking 6. Does not contain asbestos and other heavy metals, protects the environment and reduces wear on the rims 7. All weather, suitable for dry and wet environment, good adaptability to bad weather and road conditions 8. Application: mountain bike V-brake, steel, aluminum, iron wheels (not for carbon ring) 9. Net weight: about 58g / pair
