Features:FOR BIKE WITH SEAT CLAMPThe seat post is straight, suitable for bicycles with seat clamp, suitable for most mountain bikes, road bikes, folding bikes, fixed gear bikes, track bikes, etc.STURDY DURABLEBicycle seat post is made of steel, thickened material, featuring high strength, durable. It is wear-resistant, strong load-bearing, not easy to break or deform.SIZE DETAILSBicycle seat post is (L x D) about 300 x 27.2mm/11.81 x 1.07inch, suitable for most bicycles. Check and measure the diameter of the your seat post before purchase.EASY TO INSTALLJust remove the old saddle and remove the seat post, then screw the saddle onto our seat post and install it into the bike frame. Easy to install, no other tools required.SAFE TO USEThere is a safety line mark on the bottom of the seat post, and it shows exactly how far the seat post can be pushed in. The safety wire has minimal wear and ensures smooth ends and prevent scratches.1. Seat post is straight, suitable for bicycles with seat clamp, most mountain bikes, road bikes, folding bikes, etc.2. It is (L x D) about 300 x 27.2mm/11.81 x 1.07inch, screw the saddle onto our seat post and install it into the bike frame.3. Made of steel, thickened material, featuring high strength, durable. It has strong load-bearing capacity and is not easy to break or deform.Specifications:Color: blackMaterial: steelSize: (L x D) about 300 x 27.2mm/11.81 x 1.07inchPackage Includes:1pc x Bicycle seat postNote:1. Due to the light and screen difference, the item& 039;s color may be slightly different from the pictures.2. Please allow 0.5-2 cm differences due to manual measurement.