ByRoval
S-Works Tarmac SL8 Carbon Post
This replacement seatpost for the Tarmac SL8 ensures the perfect fit with two different setback options—0mm and 15mm.
$349.99MSRPIn stock at brand
Cockpit · seatpost
Image pending
Typeseatpost
Disciplineroad
Typeseatpost
Variants44 sizes or options
Weight—Not published
01 / About
The S-Works Tarmac SL8 Carbon Post.
Roval's take on cockpit.
This replacement seatpost for the Tarmac SL8 ensures the perfect fit with two different setback options—0mm and 15mm.
02 / Specifications
S-Works Tarmac SL8 Carbon Post spec sheet.
Everything Roval publishes for the S-Works Tarmac SL8 Carbon Post.
02Cockpit
3 fields
Type
seatpost
Material
carbon
Clamp dia. (mm)
—
03Pricing & availability
3 fields
Price
$349.99USD · MSRP
Availability
In stockDirect from brand
Weight
—Not published
04Additional specs
3 fields
Seatpost Diameter Mm
27.2
Seatpost Length Mm
300, 380
Seatpost Offset Mm
0, 15
03 / Variants
4 variants available.
Sizes, colors, and configurations published by the brand.
Total variants4Indexed in GearWise
Length (mm)300–380 mm2 distinct values
Seatpost dia. (mm)27.2 mmSingle value
Price$349.99All variants priced equally
| # | Size | Color | Price | Availability | Length (mm) | Seatpost dia. (mm) |
|---|---|---|---|---|---|---|
| 01 | 27.2mm x 300mm / 0mm offset | Satin Carbon | $349.99 | In stock | 300mm | 27.2mm |
| 02 | 27.2mm x 300mm / 15mm offset | Satin Carbon | $349.99 | In stock | 300mm | 27.2mm |
| 03 | 27.2mm x 380mm / 0mm offset | Satin Carbon | $349.99 | In stock | 380mm | 27.2mm |
| 04 | 27.2mm x 380mm / 15mm offset | Satin Carbon | $349.99 | In stock | 380mm | 27.2mm |
04 / Reviews
From the cycling press.
5 reviews from 5 sources.
01cyclonline.comSpecialized S-Works Tarmac SL8 2025 Test: Technical Analysis, Performance and Critical EvaluationFeb 202602rydecruz.comSpecialized Tarmac SL8 Review: What 2,000 Miles Revealed About Speed & – RydecruzJun 202503granfondo-cycling.comSpecialized S-Works Tarmac SL8 review in our 2025 road bike comparison test | GRAN FONDO Cycling MagazineJan 202504BicyclingSpecialized Tarmac SL8 Review | Best Road Bikes 2023Aug 202305BikeRadarSpecialized S-Works Tarmac SL8 Dura-Ace Di2 review - Road Bikes - Bikes—