GANOPPER Suspension Seatpost Fixie MTB Mountain Bike Seat Post 25. 4mm 27. 2mm 28. 6mm 30. 4mm 30. 9mm 31. 6mm.

Black Shock absorb Bicycle Suspension seatpost 25. 4/26. 6/27. 2/30. 4/30. 9(30. 8/31. 6*350mm Damping MTB Road Bicycle Coil Spring Suspension Bike Saddle Seat Post Friendly Tips: 1:this suspension seatpost is designed to absorb the shocks from the road as hitting a pothole ,it is not for making the ride like sitting on a limousine ,If you need more comfortable riding,please consider advanced remoted control or hydraulic seat post 2:Seatpost clamp is not included Specification: Material: 6061 Aluminum alloy barrelSteel Mount, durable. Seatpost Clamp Mount Diameter: 22. 2mm(O. D. Diameter:25. 4mm,26. 6mm,27. 2mm,28. 6mm,30. 4mm,30. 9mm,31. 6mm. Length: 350mm Tube Thickness: 3 mm. Travel: 40mm adjustable preload suspension travel. Weight: Approx 458g(27. 2mmDamping:Builtin Coil Spring Suspension. Fit For beach cruiser bikes,mountain bikes,tankdem bikes,comfort bikes,Cyclocross Bikes, Electric Bikes, Folding Bikes, Hybrid Bikes, Kids Bikes,Time Trial/Triathlon Bike, Touring Bike, Town Bike, Track Bike, Tricycle, Unicycle, Urban Bike Fixed Gear Bikes and BMX bikes etc. , How to Choose the Size: 1Check the Original Seatpost Size Marked on the body ,choose the same size as the original one. 2Measure the inside diameter of the frame tube(normally it is not accurate, considering Operator,measuring tool , Temperature,etc. ,3Inquire the bike frame seller to get the further information Parcel: Pillar bicycle suspension seat tube *1.