Promax SP-1 Seatpost – 30.9 x 400mm Black. The SP-1 seatpost is made using lightweight 2014 aluminum alloy tubing and a cold forged aluminum alloy head. The two-bolt head design ensures solid seat positioning and plenty of adjustability.
- TECH SPECS
| Clamp Style | Standard Rails |
| Color | Black |
| Defined Color | Black |
| Diameter | 30.9 |
| Length | 400 |
| Material | Aluminum |
| Offset (mm) | 20 |
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Product images are for reference only and may not reflect the exact specifications, color, or components of the item offered for sale. Please refer to the product description and specifications for the most accurate details. If you have questions before purchasing, contact us, and we’ll be happy to confirm.







