UNUNS Bike Seat Posts,28.6x350mm Bicycle Seatpost With Scale Mark,Premium Aluminum Alloy Bicycle Seat Tube,Universal Cycling Seatpost Replacement+Tools+Waterproof Cover,For MTB MTN BMX Mountain Road Bike

About UNUNS Suspension Seatpost For Road Bikes

27.2mm X 300mm, 28.6mm X 350mm, 27.2mm X 400mm...
Designed for road/ mountain bike (MTB) cycling. This shock absorber bike seatpost allows you to stay in the saddle and keep pedaling even over the most extreme terrain.
Consistent power output and reduced fatigue enables you to go further and faster on the bike you already own.
The standard sizing allow this suspension seatpost to fit all modern bikes and install in minutes.

- Adjustable Seat Post Clamp
- High Toughness & Strength
- Made of Aluminum Alloy, Rust-Proof & Light-Weight

Measure Method
Method 1
There is usually a size mark on theoriginal tube socket on the frameand it is generally not wrong to buyaccording to this mark.

Method 2
Measure the maximum inner diameter of the vertical pipe nozzle of the frame directly with a ruler of the vertical pipe nozzle of the frame directly with a ruler.

Method 3
Use a vernier caliper to measure thediameter of the seat tubea.

• 【Premium Material】Our seatpost for bike is made of high-quality and lightweight aluminum alloy, and the internal design is sturdy and durable, improving the load-bearing. Light weight, never rust.
• 【About Size】Φ28.6× 350mm (apx. 220g/pc), Total length: 350mm, Tube Length: 325mm, Head Length: 25mm. Strength: maxium of 220lbs ; Setback: 0mm. Adjust tube length of 0 to 320mm.
• 【Reduce Fatigue and Increase Efficiency】Designed for road/ mountain bike (MTB) cycling. This shock absorber bike seatpost allows you to stay in the saddle and keep pedaling even over the most extreme terrain.
• 【Wide Application】With durbale material, this bike seatpost is very sturdy, and suitable for most mountain bikes, road bikes, fixed gear bicycle, downhill bikes, track bikes, MTB, BMX, DH, etc.
• 【Easy to Install】Just unbolt the old seat and remove the seat tube, then secure the seat bolt to the new one and attach it to the frame. Please insert at least above the minimum safety line.