Suitable for most types of mountain bikes, road, city, folding bikes quickly release seatpost clamps is easy to assemble and use, quick and and very practical Suitable for those who frequently adjust their height. Whether you're a professional cyclists or a daily bicyclist, this clamp convenience and reliability Make from aluminum alloys, light weight, corrosions resistance and enduring Designs for easy installation and removal, this clamp ensures a fix for your tube, Manufacturer: Rxgiasup