【Aluminum Alloy Material】Our bicycle saddle clamp bolts are made of qualified aluminum alloy material, which has higher strength and hardness, and has strong corrosion resistance, strong and durable, and can be used for a long time. 【Simple Installation】 This bicycle quick release seatpost clamp is conveniently designed with a locking threaded nut, very easy to install on a bike with a locking nut, no complicated operation, convenient and practical. 【Good Appearance】 This bicycle saddle clamp bolt has excellent performance and lightweight appearance, and it has a good finish, small size, light weight, does not take up space, and looks beautiful. 【Applicable Size】 This seat clamp bolt is suitable for 27.2mm seatposts on mountain bikes and other bicycles, please confirm the applicable size before purchasing, there are two colors to choose from according to your bicycle needs. 【Service Guarantee】 If you are not satisfied with our Bicycle Seat Clamp Bolt received, you can apply for unconditional return and refund within 180 days. In terms of any problem of this product, you can send emails as soon., Weight: 0.02425084882 pounds, Manufacturer: VGEBY1