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.

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

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

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

Find this part

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

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, upper	EC34/28.6
Requires — Headset, lower	EC34/30

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, upper: EC34/28.6 · Headset, lower: EC34/30

Headset

Fits these bikes

Canyon Grail CF SL 7	unknown · confidence: inferred Headset, upper : EC34/28.6Check your installed setup or its technical sheet. Headset, lower : EC34/30Check your installed setup or its technical sheet. 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: Cane Creek — 40-Series - EC34/28.6 \| EC34/30 - Complete - BAA0068K (tier 1, read 2026-08-21) Cane Creek — Everything you need to know about headsets — S.H.I.S. (tier 1, read 2026-08-21)
Canyon Ultimate CF 7 (5th generation · US build 4612)	unknown · confidence: inferred Headset, upper : EC34/28.6Check your installed setup or its technical sheet. Headset, lower : EC34/30Check your installed setup or its technical sheet. 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: Cane Creek — 40-Series - EC34/28.6 \| EC34/30 - Complete - BAA0068K (tier 1, read 2026-08-21) Cane Creek — Everything you need to know about headsets — S.H.I.S. (tier 1, read 2026-08-21)
Giant Defy Advanced 2 (2025)	unknown · confidence: inferred Headset, upper : EC34/28.6Check your installed setup or its technical sheet. Headset, lower : EC34/30Check your installed setup or its technical sheet. 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: Cane Creek — 40-Series - EC34/28.6 \| EC34/30 - Complete - BAA0068K (tier 1, read 2026-08-21) Cane Creek — Everything you need to know about headsets — S.H.I.S. (tier 1, read 2026-08-21)
Giant Escape 3 (2024)	unknown · confidence: inferred Headset, upper : EC34/28.6Check your installed setup or its technical sheet. Headset, lower : EC34/30Check your installed setup or its technical sheet. 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: Cane Creek — 40-Series - EC34/28.6 \| EC34/30 - Complete - BAA0068K (tier 1, read 2026-08-21) Cane Creek — Everything you need to know about headsets — S.H.I.S. (tier 1, read 2026-08-21)
Giant Fathom 29 2 (2022)	unknown · confidence: inferred Headset, upper : EC34/28.6Check your installed setup or its technical sheet. Headset, lower : EC34/30Check your installed setup or its technical sheet. 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: Cane Creek — 40-Series - EC34/28.6 \| EC34/30 - Complete - BAA0068K (tier 1, read 2026-08-21) Cane Creek — Everything you need to know about headsets — S.H.I.S. (tier 1, read 2026-08-21)
Giant Glory Advanced (2025)	unknown · confidence: inferred Headset, upper : EC34/28.6Check your installed setup or its technical sheet. Headset, lower : EC34/30Check your installed setup or its technical sheet. 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: Cane Creek — 40-Series - EC34/28.6 \| EC34/30 - Complete - BAA0068K (tier 1, read 2026-08-21) Cane Creek — Everything you need to know about headsets — S.H.I.S. (tier 1, read 2026-08-21)
Giant Propel Advanced 2 (2027)	unknown · confidence: inferred Headset, upper : EC34/28.6Check your installed setup or its technical sheet. Headset, lower : EC34/30Check your installed setup or its technical sheet. 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: Cane Creek — 40-Series - EC34/28.6 \| EC34/30 - Complete - BAA0068K (tier 1, read 2026-08-21) Cane Creek — Everything you need to know about headsets — S.H.I.S. (tier 1, read 2026-08-21)
Giant Reign 29 2 (2021)	unknown · confidence: inferred Headset, upper : EC34/28.6Check your installed setup or its technical sheet. Headset, lower : EC34/30Check your installed setup or its technical sheet. 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: Cane Creek — 40-Series - EC34/28.6 \| EC34/30 - Complete - BAA0068K (tier 1, read 2026-08-21) Cane Creek — Everything you need to know about headsets — S.H.I.S. (tier 1, read 2026-08-21)
Giant Revolt Advanced 2 (2025)	unknown · confidence: inferred Headset, upper : EC34/28.6Check your installed setup or its technical sheet. Headset, lower : EC34/30Check your installed setup or its technical sheet. 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: Cane Creek — 40-Series - EC34/28.6 \| EC34/30 - Complete - BAA0068K (tier 1, read 2026-08-21) Cane Creek — Everything you need to know about headsets — S.H.I.S. (tier 1, read 2026-08-21)
Giant Roam 2 Disc (2021)	unknown · confidence: inferred Headset, upper : EC34/28.6Check your installed setup or its technical sheet. Headset, lower : EC34/30Check your installed setup or its technical sheet. 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: Cane Creek — 40-Series - EC34/28.6 \| EC34/30 - Complete - BAA0068K (tier 1, read 2026-08-21) Cane Creek — Everything you need to know about headsets — S.H.I.S. (tier 1, read 2026-08-21)
Giant Talon 2 (2025)	unknown · confidence: inferred Headset, upper : EC34/28.6Check your installed setup or its technical sheet. Headset, lower : EC34/30Check your installed setup or its technical sheet. 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: Cane Creek — 40-Series - EC34/28.6 \| EC34/30 - Complete - BAA0068K (tier 1, read 2026-08-21) Cane Creek — Everything you need to know about headsets — S.H.I.S. (tier 1, read 2026-08-21)
Giant Talon E+ (2026)	unknown · confidence: inferred Headset, upper : EC34/28.6Check your installed setup or its technical sheet. Headset, lower : EC34/30Check your installed setup or its technical sheet. 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: Cane Creek — 40-Series - EC34/28.6 \| EC34/30 - Complete - BAA0068K (tier 1, read 2026-08-21) Cane Creek — Everything you need to know about headsets — S.H.I.S. (tier 1, read 2026-08-21)
Giant TCX Advanced Pro 2 (2023)	unknown · confidence: inferred Headset, upper : EC34/28.6Check your installed setup or its technical sheet. Headset, lower : EC34/30Check your installed setup or its technical sheet. 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: Cane Creek — 40-Series - EC34/28.6 \| EC34/30 - Complete - BAA0068K (tier 1, read 2026-08-21) Cane Creek — Everything you need to know about headsets — S.H.I.S. (tier 1, read 2026-08-21)
Giant Trance X 29 2 (2022)	unknown · confidence: inferred Headset, upper : EC34/28.6Check your installed setup or its technical sheet. Headset, lower : EC34/30Check your installed setup or its technical sheet. 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: Cane Creek — 40-Series - EC34/28.6 \| EC34/30 - Complete - BAA0068K (tier 1, read 2026-08-21) Cane Creek — Everything you need to know about headsets — S.H.I.S. (tier 1, read 2026-08-21)
Giant XTC Jr 24 (2015)	unknown · confidence: inferred Headset, upper : EC34/28.6Check your installed setup or its technical sheet. Headset, lower : EC34/30Check your installed setup or its technical sheet. 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: Cane Creek — 40-Series - EC34/28.6 \| EC34/30 - Complete - BAA0068K (tier 1, read 2026-08-21) Cane Creek — Everything you need to know about headsets — S.H.I.S. (tier 1, read 2026-08-21)
Kona Sutra	unknown · confidence: inferred Headset, upper : EC34/28.6Check your installed setup or its technical sheet. Headset, lower : EC34/30Check your installed setup or its technical sheet. 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: Cane Creek — 40-Series - EC34/28.6 \| EC34/30 - Complete - BAA0068K (tier 1, read 2026-08-21) Cane Creek — Everything you need to know about headsets — S.H.I.S. (tier 1, read 2026-08-21)
Liv Flourish 2 (2017)	unknown · confidence: inferred Headset, upper : EC34/28.6Check your installed setup or its technical sheet. Headset, lower : EC34/30Check your installed setup or its technical sheet. 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: Cane Creek — 40-Series - EC34/28.6 \| EC34/30 - Complete - BAA0068K (tier 1, read 2026-08-21) Cane Creek — Everything you need to know about headsets — S.H.I.S. (tier 1, read 2026-08-21)
State Bicycle Co. Core-Line Wulf	unknown · confidence: inferred Headset, upper : EC34/28.6Check your installed setup or its technical sheet. Headset, lower : EC34/30Check your installed setup or its technical sheet. 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: Cane Creek — 40-Series - EC34/28.6 \| EC34/30 - Complete - BAA0068K (tier 1, read 2026-08-21) Cane Creek — Everything you need to know about headsets — S.H.I.S. (tier 1, read 2026-08-21)
Surly Disc Trucker 700c (2nd generation (2020 platform))	unknown · confidence: inferred Headset, upper : EC34/28.6Check your installed setup or its technical sheet. Headset, lower : EC34/30Check your installed setup or its technical sheet. 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: Cane Creek — 40-Series - EC34/28.6 \| EC34/30 - Complete - BAA0068K (tier 1, read 2026-08-21) Cane Creek — Everything you need to know about headsets — S.H.I.S. (tier 1, read 2026-08-21)
Tern Quick Haul D8 Gen 1	unknown · confidence: inferred Headset, upper : EC34/28.6Check your installed setup or its technical sheet. Headset, lower : EC34/30Check your installed setup or its technical sheet. 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: Cane Creek — 40-Series - EC34/28.6 \| EC34/30 - Complete - BAA0068K (tier 1, read 2026-08-21) Cane Creek — Everything you need to know about headsets — S.H.I.S. (tier 1, read 2026-08-21)

See all 21 bikes

Sources

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

Cane Creek — 40-Series - EC34/28.6 | EC34/30 - Complete - BAA0068K (tier 1, read 2026-08-21)
Cane Creek — Everything you need to know about headsets — S.H.I.S. (tier 1, read 2026-08-21)