Skip to main content

Specialized S-Works Tarmac Carbon Post

Specialized S-Works Tarmac Carbon Post
Satin Carbon
Please select options
Pre-ordering is the most reliable way to guarantee delivery of most popular models during this current supply chain challenge. Lead times vary widely. After booking the order, we will contact you by the next business day with a rough eta and payment details.


This replacement seatpost for the Tarmac SL7 ensures the perfect fit with two different setback options: 0mm and 20mm.

- FACT carbon construction and aerodynamic profile compatible with the 2021 Tarmac SL7.
- Setback: 0/20mm.
- Sleek Di2 integration hides the Di2 junction box inside.
- Cylindrical aluminum head assembly adjusts fore-aft and tilt with an easy-access single bolt.

Part Numbers

Option UPC MPN
Satin Carbon / Unavailable / 300mm / 0mm 888818665471 28121-3900
Satin Carbon / Unavailable / 380mm / 0mm 888818665464 28121-3910
Satin Carbon / Unavailable / 300mm / 20mm 888818665426 28121-3905
Satin Carbon / Unavailable / 380mm / 20mm 888818665457 28121-3915