【Premium Material】The bike seat post clamp is made of Titanium Alloy Gr5, with exquisite workmanship, our seat post clamp is smooth, lightweight, durable and wear-resistant.Only -20g. 【Fit For】The bicycle seat post clamp is equipped with an inner diameter of 34.9/31.6mm, this seat post clamp is fit for 31.6/27.2mm bike seat post. And suitable for all types of bike (mountain, MTB, road bike, urban, folding or electric bike). 【Easy To Install】You can install the bike quick release seat post clamp on your bike easily even if you are not professional at reparing bikes, very convennient and practical. You can adjust the height of seat to fit your height easily. 【Great Accessories】Our bicycle seat tube clamp has excellent and stable performance, strong retaining bolts ensure it to be sturdy and firm.With this accessory you can enjoy a better riding experience, and it is an excellent bicycle equipment. 【Service Guarantee】100% GUARANTEE - Customer satisfaction is our top priority. If you have any questions, problems or are not satisfied with the product, please email us and we will help you solve it sooner., Weight: 0.05070632026 pounds, Manufacturer: Ouyuan New-metal