ONIPAX Locking Binder Bolt Alloy Seatpost

[Anti-Theft] 7-Lobe Pin Enhanced security, prevent removing wheels by hands. (7-Lobe wrench attached) [Durable]Great Quality Hub quick release ensures for long time use  [Material] Aluminum alloy nut and cr-mo Axle [Size] M6x45mm , making it easy to install on most bike models.  [Origin] Made in Taiwan. We pride ourselves on product quality. Let us help you if you have any questions, we will be glad to assist you.