What seatpost diameter does a Giant TCR Advanced (2020 on) use?
The seatpost fitment standard on a Giant TCR Advanced (2020 on), and how to pick the right part.
This frame's fitment
| Frame | Giant TCR Advanced (2020 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 Giant TCR Advanced uses an integrated IS42 upper headset, a 27.2 mm class seatpost, a 12x100 front thru-axle and a braze-on front derailleur.
Some Giant frames use a proprietary D-shaped post; confirm the exact part. The bottom bracket is a BB86 press-fit shell, covered on its own page.
The part to buy
Search Amazon for 27.2 mm seatpost for your Giant TCR Advanced (2020 on)affiliate searchFind 27.2 mm seatpost for your Giant TCR Advanced (2020 on) on eBayaffiliate
Related fitment pages
27.2 mm seatpost27.2 mmBottom bracket for Giant TCR Advanced (2020 on)same frame, BB shellHeadset on a Giant TCR Advanced (2020 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