UNO SP-719 Bicycle Seatpost Road Mountain Bike Seatpost 27.2/30.9/31.6*350/400mm Seat Tube Bicycle Aluminum Alloy Parts
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Specifications
- Color
- Sand black/Bright black
- Brand Name
- NONE
- Diameter
- 27.2/30.9/31.6
- Type
- Bicycle Seat Post
- Material
- aluminum
- Length
- 250 - 400mm
- High-concerned chemical
- None
- Origin
- Mainland China
- Choice
- yes
- semi_Choice
- yes
Product Description
caution:
Please confirm the size of the seat pillar you need before purchasing.
Product parameters:
Product parameters:
specification:
Material: 6061 T6 aluminum alloy
Colour: Matte black/Glossy black
Weight: about 270~300 grams
Length: 350 mm
Seat post diameter: 27.2mm/30.9mm/31.6mm
Features:
The head is adjustable for easy installation. The seat angle can be adjusted.
Light weight and no rust.
Suitable for most mountain bikes, road bikes, mountain bikes, off-road vehicles, etc.
Easy to stop.
Package contains:
1 X 350 mm bicycle seat post (with booth)
caution
Please confirm the size of the seat pillar you need before purchasing
Pros & Cons
Pros
- Lightweight 6061 T6 aluminum alloy for strength without weight penalty.
- Multiple diameters (27.2/30.9/31.6mm) and lengths for broad compatibility.
- Matte or glossy black finishes for sleek look.
- Suitable for both road and MTB setups.
Cons
- Weight varies 270-300g, not the lightest option.
- Must confirm size precisely to avoid fit issues.
- No clamp or setback details specified.
- Basic design without advanced features like zero-setback.
Common Questions
What diameters and lengths are available for UNO SP-719 seatpost?
Diameters: 27.2/30.9/31.6mm; lengths: 250-400mm, e.g., 350/400mm options.
What material is the bicycle seatpost made from?
6061 T6 aluminum alloy, lightweight at 270-300g.
Is this seatpost compatible with road and mountain bikes?
Yes, suitable for road and mountain bikes; confirm diameter matches frame.
How to measure for the correct seatpost size?
Measure frame seat tube diameter and desired length before purchase; caution advised.
What colors are available for this seatpost?
Sand black or bright black finishes.
Product information last updated on April 3, 2026