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Thomson Seatpost collar 28.6 mm

Thomson seat clamp. Needs from your bike: Seat clamp diameter.

Your configuration

unknown · confidence: single-source
  • Seat clamp diameter : 28.6 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Seat clamp diameter: bike nothing on file · part 28.6 mm — not on file

Sources:

Check configuration and return to bike

The interfaces involved in this repair still need verification before buying.

The Thomson Seatpost collar 28.6 mm is a seat clamp (component). It requires 1 thing of a bike — Seat clamp diameter — read from Thomson. On every bike page its verdict is computed from those requirements against the bike's cited facts: when a fact is missing the answer is "unknown", never a guess.

Requires — Seat clamp diameter28.6 mm
Does this part fit my bike?
Find your bike under "Fits these bikes" below, or open your bike's "Seatpost" region page. The verdict there is computed from this part's requirements against the bike's cited facts — with its confidence and sources.
What does "does not fit" mean here?
That a fact on file for the bike contradicts a requirement of this part — a confident no, with both values shown.

Standards

  • 28.6 mm

Needs from your bike: Seat clamp diameter: 28.6 mm

Seat clamp

Fits these bikes

Canyon Grail CF SL 7unknown · confidence: single-source
  • Seat clamp diameter : 28.6 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Seat clamp diameter: bike nothing on file · part 28.6 mm — not on file

Sources:

Canyon Ultimate CF 7 (5th generation · US build 4612)unknown · confidence: single-source
  • Seat clamp diameter : 28.6 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Seat clamp diameter: bike nothing on file · part 28.6 mm — not on file

Sources:

Giant Defy Advanced 2 (2025)unknown · confidence: single-source
  • Seat clamp diameter : 28.6 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Seat clamp diameter: bike nothing on file · part 28.6 mm — not on file

Sources:

Giant Escape 3 (2024)unknown · confidence: single-source
  • Seat clamp diameter : 28.6 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Seat clamp diameter: bike nothing on file · part 28.6 mm — not on file

Sources:

Giant Fathom 29 2 (2022)unknown · confidence: single-source
  • Seat clamp diameter : 28.6 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Seat clamp diameter: bike nothing on file · part 28.6 mm — not on file

Sources:

Giant Glory Advanced (2025)unknown · confidence: single-source
  • Seat clamp diameter : 28.6 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Seat clamp diameter: bike nothing on file · part 28.6 mm — not on file

Sources:

Giant Propel Advanced 2 (2027)unknown · confidence: single-source
  • Seat clamp diameter : 28.6 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Seat clamp diameter: bike nothing on file · part 28.6 mm — not on file

Sources:

Giant Reign 29 2 (2021)unknown · confidence: single-source
  • Seat clamp diameter : 28.6 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Seat clamp diameter: bike nothing on file · part 28.6 mm — not on file

Sources:

Giant Revolt Advanced 2 (2025)unknown · confidence: single-source
  • Seat clamp diameter : 28.6 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Seat clamp diameter: bike nothing on file · part 28.6 mm — not on file

Sources:

Giant Roam 2 Disc (2021)unknown · confidence: single-source
  • Seat clamp diameter : 28.6 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Seat clamp diameter: bike nothing on file · part 28.6 mm — not on file

Sources:

Giant Talon 2 (2025)unknown · confidence: single-source
  • Seat clamp diameter : 28.6 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Seat clamp diameter: bike nothing on file · part 28.6 mm — not on file

Sources:

Giant Talon E+ (2026)unknown · confidence: single-source
  • Seat clamp diameter : 28.6 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Seat clamp diameter: bike nothing on file · part 28.6 mm — not on file

Sources:

Giant TCX Advanced Pro 2 (2023)unknown · confidence: single-source
  • Seat clamp diameter : 28.6 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Seat clamp diameter: bike nothing on file · part 28.6 mm — not on file

Sources:

Giant Trance X 29 2 (2022)unknown · confidence: single-source
  • Seat clamp diameter : 28.6 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Seat clamp diameter: bike nothing on file · part 28.6 mm — not on file

Sources:

Giant XTC Jr 24 (2015)unknown · confidence: single-source
  • Seat clamp diameter : 28.6 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Seat clamp diameter: bike nothing on file · part 28.6 mm — not on file

Sources:

Kona Sutraunknown · confidence: single-source
  • Seat clamp diameter : 28.6 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Seat clamp diameter: bike nothing on file · part 28.6 mm — not on file

Sources:

Liv Flourish 2 (2017)unknown · confidence: single-source
  • Seat clamp diameter : 28.6 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Seat clamp diameter: bike nothing on file · part 28.6 mm — not on file

Sources:

State Bicycle Co. Core-Line Wulfunknown · confidence: single-source
  • Seat clamp diameter : 28.6 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Seat clamp diameter: bike nothing on file · part 28.6 mm — not on file

Sources:

Tern Quick Haul D8 Gen 1unknown · confidence: single-source
  • Seat clamp diameter : 28.6 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Seat clamp diameter: bike nothing on file · part 28.6 mm — not on file

Sources:

woom GO 4unknown · confidence: single-source
  • Seat clamp diameter : 28.6 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Seat clamp diameter: bike nothing on file · part 28.6 mm — not on file

Sources:

See all 21 bikes

Sources

The spec sheets we read. Every fact above cites one of them.

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