Alloy Cycling Bike Mountain Bike BMX Bike Fixie Fixed Gear Single Speed Road Bicycle Bike Seatpost 25.4mm x 300mm - Mint Alloy and anodized color Suitable for road bikes, BMX bikes, mountain bikes, fixed gears bikes, track bikes, single speed bikes etc Length(mm): 300 Diameter(mm): 25.4 Weight(g): 330