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
- Constructed from durable 6061 T6 aluminum alloy for lightweight strength
- Available in multiple diameter and length options to fit most bikes
- Offers both matte black and glossy black color finishes
- Low weight of 270-300g for improved bike performance
Cons
- No official brand name is listed on the product listing
- No included hardware or adjustment tools are mentioned in the product details
- Only available in black color options
- No waterproofing or corrosion resistance specifications are provided
Common Questions
What materials is this bicycle seatpost constructed from?
It is made from 6061 T6 aluminum alloy, per the product details.
What diameter and length options are available for this seatpost?
Available diameters are 27.2mm, 30.9mm, and 31.6mm, with lengths ranging from 250mm to 400mm (listed as 350mm in core specifications).
What types of bicycles is this seatpost compatible with?
It is designed for use with road and mountain bike seat tubes.
What is the primary purpose of this bicycle seatpost?
This seatpost replaces or upgrades a bike's existing seat tube to support and secure the bicycle saddle.
Where is this product shipped from?
This product originates from Mainland China.
Product information last updated on April 3, 2026