Quick Summary
The Boenoea Bike Seatpost is a 400 mm bicycle seat post made in black aluminum alloy. It is offered in a 30.4 mm diameter, and the product text also refers to additional diameter options in the same family. The saddle clamp is not included.
This seatpost is meant for buyers who need to match the correct post diameter to their frame and want a 400 mm replacement or upgrade part. Because seatpost fit depends on diameter, measuring the frame requirement before choosing an offer matters here.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Brand | Boenoea, the named product line. |
| Product type | Bicycle seatpost for a bike saddle setup. |
| Length | 400 mm, which affects insertion and overall fit. |
| Diameter | 30.4 mm, so the frame opening must match this size. |
| Color | Black. |
| Material | Aluminum alloy. |
| Saddle clamp | Not included. |
What to Compare Before Buying
- Seatpost diameter: This version is 30.4 mm. Match the frame size exactly before selecting an offer.
- Length: The post is 400 mm long. Compare that length with the fit and adjustment room you need.
- Included parts: The saddle clamp is not included, so check whether your current hardware can be reused or if you need one.
- Bike type: The product is presented for road bikes, mountain bikes, fixed gear bikes and BMX bikes, so confirm the fit for your exact bike setup.
Compatibility, Size and Fit
This seatpost is specifically listed at 30.4 mm diameter and 400 mm length. The main fit check is the frame seat tube diameter, since that determines whether the post can be installed correctly. The black finish and aluminum alloy construction are part of the product identity, but the diameter is the key measurement to confirm first.
The saddle clamp is not included, so compatibility also depends on whether your existing saddle hardware works with the post you plan to use.
Before You Decide
Confirm the 30.4 mm diameter against your frame before choosing an offer. Check whether you need the saddle clamp separately. Make sure the 400 mm length matches the fit and adjustment space you want for your bike.
Check Insertion Depth
Diameter and overall length are not the only fit considerations. Check how much of the post can extend into the frame while still meeting the bicycle manufacturer’s minimum insertion requirement. If the post has a minimum-insertion marking, keep it within the frame as directed; do not rely on extra length alone to establish a safe fit.
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