Feature: 1. Made of aluminum alloy, light weight, simple and durable. 2. Suitable for mountain bike, road bikes. 3. Made of high‑quality materials, durable and easy to use 4. Quick release wheelset, barrel shaft wheelset, universal. 5. Professional manufacturing, stable performance and high reliability. Specification: Condition: 100% brand newItem type: Hub Disc Lock CoverMaterial: Aluminum alloy + stainless steelColor: As picture shownWeight: Approx. 12g Quick release wheel group, barrel axle wheel group are unified The disc lock cover of the center lock wheel group, regardless of brand, front and rear 9/12/15 MM cylindrical axle wheel group or quick release wheel group, can use this lock cover, and center lock wheels can be used. International standard lock cover Except the center lock hub for fulcrum wheelset is not available, everything else is fine.. Package List: 1 x Lock cover1 x Spacer Note: Both the front and rear hub wheelset use this lock cover, and the wheelset with the central locking disc can be used.