Bicycle Long Seatpost Aluminium Adjustable 25.4/27.2/28.6/30.4/30.8/31.6X450mm
$8.18
- 450mm Extra‑Long: 17.7″ length raises saddle for tall riders – reduces forward bend and strain.
- 6061‑T6 Aluminum: Durable, lightweight alloy for lasting durability and performance.
- 6 Diameter Options: 25.4–31.6mm – find the exact fit for your frame.
- Adjustable Head: Easy angle adjustment for personalized riding comfort.
- Universal Fit: Works on fixed gear, road, MTB, and hybrid bikes.
- Description
- Additional information
- Reviews (0)
Description
Product Overview
Upgrade your riding comfort with the aluminum alloy bicycle seatpost, specially designed for taller riders who need extra saddle height. At 450mm (17.7 inches), this extended seatpost raises your saddle position, reducing the need to bend forward and creating a more natural, comfortable riding posture.
Crafted from premium 6061-T6 aluminum alloy, this seatpost delivers exceptional strength and durability while maintaining a lightweight profile.
Specifications
- Length: 450mm
- Material: Aluminum Alloy
- Diameter Options: 25.4 / 27.2 / 28.6 / 30.4 / 30.8 / 31.6mm
How to Install
- Determine correct size – Check original seatpost diameter or measure frame tube inner diameter with calipers.
- Remove old seatpost – Loosen seat clamp and slide out existing post.
- Adjust new seatpost – Set desired angle using the infinite adjustment bolt. Tighten securely.
- Insert and set height – Slide aluminum alloy bicycle seatpost into frame to proper height. Ensure minimum insertion mark is not visible.
- Tighten clamp – Securely tighten seat clamp. Double-check angle and height before riding.

Package Include
- 1 x bicycle seatpost
Additional information
| Weight | 0.5 kg |
|---|---|
| Dimensions | 46 × 5 × 5 cm |
| Size | 25.4x450mm, 27.2x450mm, 28.6x450mm, 30.4x450mm, 30.8x450mm, 31.6x450mm |
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- Description
- Reviews (0)
Description
Product Overview
Upgrade your riding comfort with the aluminum alloy bicycle seatpost, specially designed for taller riders who need extra saddle height. At 450mm (17.7 inches), this extended seatpost raises your saddle position, reducing the need to bend forward and creating a more natural, comfortable riding posture.
Crafted from premium 6061-T6 aluminum alloy, this seatpost delivers exceptional strength and durability while maintaining a lightweight profile.
Specifications
- Length: 450mm
- Material: Aluminum Alloy
- Diameter Options: 25.4 / 27.2 / 28.6 / 30.4 / 30.8 / 31.6mm
How to Install
- Determine correct size – Check original seatpost diameter or measure frame tube inner diameter with calipers.
- Remove old seatpost – Loosen seat clamp and slide out existing post.
- Adjust new seatpost – Set desired angle using the infinite adjustment bolt. Tighten securely.
- Insert and set height – Slide aluminum alloy bicycle seatpost into frame to proper height. Ensure minimum insertion mark is not visible.
- Tighten clamp – Securely tighten seat clamp. Double-check angle and height before riding.

Package Include
- 1 x bicycle seatpost
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