What seatpost diameter does a Trek Madone SLR Gen 8 (2024 on) use?
The seatpost fitment standard on a Trek Madone SLR Gen 8 (2024 on), and how to pick the right part.
This frame's fitment
| Frame | Trek Madone SLR Gen 8 (2024 on) |
|---|---|
| Seatpost diameter | 27.2 mm |
| Diameter | 27.2 mm |
| Typical class | the de facto standard on modern road and gravel frames, and many hardtail and lightweight full-suspension frames |
The Trek Madone SLR Gen 8 uses an integrated IS42 upper headset, a class 27.2 mm seatpost interface, a 12x100 front thru-axle and a braze-on front derailleur.
The Madone uses a proprietary aero post; confirm the exact Trek part. The bottom bracket is a threaded T47 shell, covered on its own page.
The part to buy
Search Amazon for 27.2 mm seatpost for your Trek Madone SLR Gen 8 (2024 on)affiliate searchFind 27.2 mm seatpost for your Trek Madone SLR Gen 8 (2024 on) on eBayaffiliate
Related fitment pages
27.2 mm seatpost27.2 mmBottom bracket for Trek Madone SLR Gen 8 (2024 on)same frame, BB shellHeadset on a Trek Madone SLR Gen 8 (2024 on)same frame27.2 mm seatpost on a Trek Emonda SLR (2024 on)same standard, another frame
SOURCES: Sheldon Brown, Seatpost Size Database · BikeRadar, Bike seatposts explained: diameters, materials, lengths · Park Tool, Standardized Headset Identification System (SHIS) · BikeRadar, Road bike axle standards: the complete guide