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TRIWONDER 27.2mm x 350mm Bike Seat Post, Black

$12.99 (Price correct as of 10/31/2026 11:21 PDT · Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

TRIWONDER seat post in black, sized 27.2 mm x 350 mm. It is made from 6061 aluminum alloy, includes an adjustable top screw for saddle angle, and has a safe line mark for installation. Check frame fit carefully before choosing this version.

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SKU: B094CNBV24 Category:

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Quick Summary

The TRIWONDER seat post is a black bike seat post in the 27.2 mm x 350 mm size. It is made from 6061 aluminum alloy, and the top uses an adjustable screw to change the saddle angle.

Because seat post sizing matters, check the 27.2 mm fit before choosing this version. The post also includes a safe line mark, so it should be inserted at least above the minimum safety line during installation.

Key Details

Detail Product information and buyer relevance
Brand TRIWONDER. Useful for matching the item to the intended product line.
Product type Bike seat post. This is the part that connects the saddle area to the bicycle frame.
Size 27.2 mm x 350 mm. Check the seat tube size and the needed post length before choosing.
Color Black. Helpful if appearance matters for the build.
Material 6061 aluminum alloy. A buyer may want this confirmed when material is part of the selection.
Adjustment Adjustable top screw. This lets the saddle angle be set during installation.
Safety line Safe line mark included. The post should be inserted above the minimum safety line.

What to Compare Before Buying

  • Seat tube diameter: This version is 27.2 mm. Compare that with the bicycle frame opening before ordering.
  • Post length: The post is 350 mm long. Check that this length works with your setup and saddle height needs.
  • Saddle angle adjustment: The top screw allows angle adjustment. Compare that with the position you want for the saddle.
  • Frame fit: The item is described as suitable for multiple bike types, so the exact diameter still matters more than the bike style name.

Before You Decide

Confirm the 27.2 mm size, the 350 mm length, and the fit with your frame before choosing an offer. If saddle angle adjustment and the safe line mark matter for your setup, review those details before installation.

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