Quick Summary
The Antrader bike seatpost is a black bicycle seatpost with an 11.8 in length and a 1 in diameter. It is intended for mountain and road bikes, and the description also lists a 0.87 in top diameter.
This seatpost is the part to compare carefully if you are replacing an existing post. The stated measurements and included single-piece quantity are the main details that affect whether it is the right fit for your bike.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Brand | Antrader. Helps identify the exact seatpost version. |
| Product type | Bike seatpost. Used as the support between the seat and the bike frame. |
| Length | 11.8 in / 300 mm. Check that this length suits your setup. |
| Post diameter | 1 in / 25.4 mm. Confirm this matches the bike frame requirement. |
| Top diameter | 0.87 in / 22 mm. Compare this with the seat clamp or saddle connection needs. |
| Color | Black. |
| Quantity | 1 piece. Useful if you need a single replacement post. |
What to Compare Before Buying
- Diameter: The stated post diameter is 1 in / 25.4 mm. This is the main fit check for the frame.
- Length: The seatpost is 11.8 in / 300 mm long. Compare that with the adjustment space you need.
- Top connection: The listed top diameter is 0.87 in / 22 mm. Confirm it matches your saddle attachment needs.
- Quantity: This is a single seatpost, so it suits a replacement purchase rather than a multi-part kit.
Before You Decide
Confirm the 1 in / 25.4 mm post diameter before choosing an offer, and compare the 11.8 in length with your bike’s setup. If the saddle connection matters for your build, check the listed 0.87 in / 22 mm top diameter as well.
Saddle Clamp Fit
The post diameter is only one part of fit. Check that the seatpost head and clamp interface match your saddle’s rails and attachment hardware; the listed top diameter alone does not establish saddle compatibility.
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