1. Material: copper fiber, steel back plate 2. Purpose: bicycle disc brake 3. Application: most bicycles can be used 4. Applicable scenarios: suitable for common commuting, cycling training, light cross-country, etc. 5. Features: easy and simple installation, wear-resistant and durable, meticulous workmanship, wide applicability 6. Packing list: brake pads x2, bolt x1, spring plate x1 (DB-S4/DB-S5/DB-S10 does not contain bolts, DB-S8/DB-S9 does not contain spring plates, DB-S44/DB-S14 Bolt and spring are not included) 7. Weight: about 30g/pair
