Quick Summary
The SR Suntour SP12 NCX is a suspension seat post in black, supplied with a protective cover. It is the 31.6 x 400 mm version and is described as using a brass bushing parallelogram system with 50 mm travel.
This makes the key buying checks straightforward: confirm the seat tube size, the 400 mm length and whether the supplied configuration matches what you need.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | SR Suntour, so the product can be matched to the correct seat post family. |
| Model | SP12 NCX, which helps distinguish this version from other seat posts. |
| Product type | Suspension seat post for buyers looking for this specific style of seat post. |
| Size | 31.6 x 400 mm, so the seat tube diameter and post length both matter. |
| Travel | 50 mm, which is an important figure when comparing seat post movement. |
| System | Brass bushing parallelogram system, a named construction to compare against other seat post designs. |
| Colour | Black, matching the listed finish. |
| Quantity | 1 pc/pack. |
What to Compare Before Buying
- Seat tube diameter: Check that 31.6 mm matches your bike frame.
- Length: The post is 400 mm long, so make sure that suits your setup.
- Travel: The stated travel is 50 mm, which is the movement figure to compare with other seat posts.
- Configuration: This version includes a protective cover and is supplied as 1 piece.
What Is Included
- 1 x SR Suntour SP12 NCX suspension seat post
- Protective cover
Before You Decide
Confirm the 31.6 mm size, the 400 mm length and the included protective cover before choosing an offer. If you need a different seat post diameter or a different configuration, compare those details first.






