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Cane Creek 40-Series headset EC34/28.6 | EC34/30 (1-1/8" straight)

Cane Creek headset. Needs from your bike: Headset, upper and Headset, lower.

The Cane Creek 40-Series headset EC34/28.6 | EC34/30 (1-1/8" straight) is a headset (component). It requires 2 things of a bike — Headset, upper and Headset, lower — read from Cane Creek. 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 — Headset, upperEC34/28.6
Requires — Headset, lowerEC34/30
Does this part fit my bike?
Find your bike under "Fits these bikes" below, or open your bike's "Fork" 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

  • EC34/28.6
  • EC34/30

Needs from your bike: Headset, lower: EC34/30 · Headset, upper: EC34/28.6

Headset

Find this part

Choose the right variant and check the fit for your bike.

Fits these bikes

Surly Disc Trucker 700c (2024)fits · confidence: single-source
Why? The facts we compared (2 dimensions compared)
  • Headset, upper: bike EC34/28.6 (single-source) · part EC34/28.6 — match
  • Headset, lower: bike EC34/30 (single-source) · part EC34/30 — match

Sources:

Brompton C Line 12-speed (2025)unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
  • Headset, upper: bike nothing on file · part EC34/28.6 — not on file
  • Headset, lower: bike nothing on file · part EC34/30 — not on file

Sources:

Canyon Grail CF SL 7 (2025)unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
  • Headset, upper: bike nothing on file · part EC34/28.6 — not on file
  • Headset, lower: bike nothing on file · part EC34/30 — not on file

Sources:

Canyon Ultimate CF 7 (2025)unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
  • Headset, upper: bike nothing on file · part EC34/28.6 — not on file
  • Headset, lower: bike nothing on file · part EC34/30 — not on file

Sources:

Giant Defy Advanced 2 (2025)unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
  • Headset, upper: bike nothing on file · part EC34/28.6 — not on file
  • Headset, lower: bike nothing on file · part EC34/30 — not on file

Sources:

Giant Escape 3 (2024)unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
  • Headset, upper: bike nothing on file · part EC34/28.6 — not on file
  • Headset, lower: bike nothing on file · part EC34/30 — not on file

Sources:

Giant Fathom 29 2 (2022)unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
  • Headset, upper: bike nothing on file · part EC34/28.6 — not on file
  • Headset, lower: bike nothing on file · part EC34/30 — not on file

Sources:

Giant Glory Advanced (2025)unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
  • Headset, upper: bike nothing on file · part EC34/28.6 — not on file
  • Headset, lower: bike nothing on file · part EC34/30 — not on file

Sources:

Giant Propel Advanced 2 (2027)unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
  • Headset, upper: bike nothing on file · part EC34/28.6 — not on file
  • Headset, lower: bike nothing on file · part EC34/30 — not on file

Sources:

Giant Reign 29 2 (2021)unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
  • Headset, upper: bike nothing on file · part EC34/28.6 — not on file
  • Headset, lower: bike nothing on file · part EC34/30 — not on file

Sources:

Giant Revolt Advanced 2 (2025)unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
  • Headset, upper: bike nothing on file · part EC34/28.6 — not on file
  • Headset, lower: bike nothing on file · part EC34/30 — not on file

Sources:

Giant Roam 2 Disc (2021)unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
  • Headset, upper: bike nothing on file · part EC34/28.6 — not on file
  • Headset, lower: bike nothing on file · part EC34/30 — not on file

Sources:

Giant Talon 2 (2025)unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
  • Headset, upper: bike nothing on file · part EC34/28.6 — not on file
  • Headset, lower: bike nothing on file · part EC34/30 — not on file

Sources:

Giant Talon E+ (2026)unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
  • Headset, upper: bike nothing on file · part EC34/28.6 — not on file
  • Headset, lower: bike nothing on file · part EC34/30 — not on file

Sources:

Giant TCX Advanced Pro 2 (2023)unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
  • Headset, upper: bike nothing on file · part EC34/28.6 — not on file
  • Headset, lower: bike nothing on file · part EC34/30 — not on file

Sources:

Giant Trance X 29 2 (2022)unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
  • Headset, upper: bike nothing on file · part EC34/28.6 — not on file
  • Headset, lower: bike nothing on file · part EC34/30 — not on file

Sources:

Giant XTC Jr 24 (2015)unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
  • Headset, upper: bike nothing on file · part EC34/28.6 — not on file
  • Headset, lower: bike nothing on file · part EC34/30 — not on file

Sources:

Kona Sutra (2025)unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
  • Headset, upper: bike nothing on file · part EC34/28.6 — not on file
  • Headset, lower: bike nothing on file · part EC34/30 — not on file

Sources:

Liv Flourish 2 (2017)unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
  • Headset, upper: bike nothing on file · part EC34/28.6 — not on file
  • Headset, lower: bike nothing on file · part EC34/30 — not on file

Sources:

State Bicycle Co. Core-Line (2024)unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
  • Headset, upper: bike nothing on file · part EC34/28.6 — not on file
  • Headset, lower: bike nothing on file · part EC34/30 — not on file

Sources:

See all 23 bikes

Sources

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

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