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WEERAS BSPS01 25.4 mm x 350 mm Steel Alloy Bike Seatpost

$19.99 (Price correct as of 11/12/2026 23:54 PST · 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.)

The WEERAS BSPS01 is a black steel alloy bike seatpost listed at 25.4 mm in diameter and 350 mm in total length. The listing identifies one seatpost and gives an adjustable-length figure of 170 mm, without explaining what that measurement represents. Check the required diameter and length for your bike, and confirm the adjustment figure’s meaning if it matters to your setup. Follow the applicable bike and component instructions for installation.

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SKU: B0C7C786KF Category:

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Quick Summary

The WEERAS BSPS01 is a black steel alloy bicycle seatpost listed with a 25.4 mm diameter and 350 mm total length. The listing identifies a quantity of one. Check that the diameter and length meet your bike’s requirements before selecting this part.

Key Details

Detail Product information and buyer relevance
Brand and part number WEERAS BSPS01, to identify this specific seatpost.
Diameter 25.4 mm. Match this to the diameter required by your bike.
Total length 350 mm. Compare this with your frame and intended setup.
Adjustment figure Listed as 170 mm adjustable length; its meaning is not specified, so confirm what the measurement represents if it matters to your setup.
Material and color Steel alloy, black.
Quantity One seatpost.

What to Compare Before Buying

  • Diameter: Check the required seatpost diameter for your bike rather than relying on appearance or brand alone.
  • Length: Compare the 350 mm total length with your bike’s requirements and intended setup. Consult the bike or frame instructions for fit and installation details.
  • Adjustment measurement: The listing gives a 170 mm adjustable-length figure but does not explain what it measures. Confirm its meaning if you need that adjustment.

Before You Decide

Confirm that 25.4 mm diameter and 350 mm total length are appropriate for your bike, and clarify the 170 mm adjustment figure if it affects your choice. Follow the applicable bike and component instructions for installation and use.

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