Does this part fit my bike?

Find your bike under "Fits these bikes" below, or open your bike's "Drivetrain" 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.

KMC X12 chain, 12-speed (Eagle / Campagnolo)

Name: KMC X12 chain, 12-speed (Eagle / Campagnolo)
Brand: KMC

KMC chain. Needs from your bike: Chain standard.

Choose enough links for your drivetrain, then size the chain to the bike. Use the new quick link or joining pin specified by the manufacturer.

Find this part

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

The KMC X12 chain, 12-speed (Eagle / Campagnolo) is a chain (consumable). It requires 1 thing of a bike — Chain standard — read from KMC Chain. 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 — Chain standard	12-speed HG+ / Eagle (5.25 mm)

Does this part fit my bike?: Find your bike under "Fits these bikes" below, or open your bike's "Drivetrain" 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

12-speed HG+ / Eagle (5.25 mm)

Needs from your bike: Chain standard: 12-speed HG+ / Eagle (5.25 mm)

Chain

Fits these bikes

Brompton C Line 12-speed	unknown · confidence: inferred Chain standard : 12-speed HG+ / Eagle (5.25 mm)Check your installed setup or its technical sheet. Why? The facts we compared (1 dimension compared) Chain standard: bike nothing on file · part 12-speed HG+ / Eagle (5.25 mm) — not on file Sources: KMC Chain — X12 — 12-speed bicycle chain (tier 1, read 2026-08-21)
Canyon Grail CF SL 7	unknown · confidence: inferred Chain standard : 12-speed HG+ / Eagle (5.25 mm)Check your installed setup or its technical sheet. Why? The facts we compared (1 dimension compared) Chain standard: bike nothing on file · part 12-speed HG+ / Eagle (5.25 mm) — not on file Sources: KMC Chain — X12 — 12-speed bicycle chain (tier 1, read 2026-08-21)
Canyon Ultimate CF 7 (5th generation · US build 4612)	unknown · confidence: inferred Chain standard : 12-speed HG+ / Eagle (5.25 mm)Check your installed setup or its technical sheet. Why? The facts we compared (1 dimension compared) Chain standard: bike nothing on file · part 12-speed HG+ / Eagle (5.25 mm) — not on file Sources: KMC Chain — X12 — 12-speed bicycle chain (tier 1, read 2026-08-21)
Giant Defy Advanced 2 (2025)	unknown · confidence: inferred Chain standard : 12-speed HG+ / Eagle (5.25 mm)Check your installed setup or its technical sheet. Why? The facts we compared (1 dimension compared) Chain standard: bike nothing on file · part 12-speed HG+ / Eagle (5.25 mm) — not on file Sources: KMC Chain — X12 — 12-speed bicycle chain (tier 1, read 2026-08-21)
Giant Defy Advanced 2 (2026)	unknown · confidence: inferred Chain standard : 12-speed HG+ / Eagle (5.25 mm)Check your installed setup or its technical sheet. Why? The facts we compared (1 dimension compared) Chain standard: bike nothing on file · part 12-speed HG+ / Eagle (5.25 mm) — not on file Sources: KMC Chain — X12 — 12-speed bicycle chain (tier 1, read 2026-08-21)
Giant Escape 3 (2024)	unknown · confidence: inferred Chain standard : 12-speed HG+ / Eagle (5.25 mm)Check your installed setup or its technical sheet. Why? The facts we compared (1 dimension compared) Chain standard: bike nothing on file · part 12-speed HG+ / Eagle (5.25 mm) — not on file Sources: KMC Chain — X12 — 12-speed bicycle chain (tier 1, read 2026-08-21)
Giant Fathom 29 2 (2022)	unknown · confidence: inferred Chain standard : 12-speed HG+ / Eagle (5.25 mm)Check your installed setup or its technical sheet. Why? The facts we compared (1 dimension compared) Chain standard: bike nothing on file · part 12-speed HG+ / Eagle (5.25 mm) — not on file Sources: KMC Chain — X12 — 12-speed bicycle chain (tier 1, read 2026-08-21)
Giant Glory Advanced (2025)	unknown · confidence: inferred Chain standard : 12-speed HG+ / Eagle (5.25 mm)Check your installed setup or its technical sheet. Why? The facts we compared (1 dimension compared) Chain standard: bike nothing on file · part 12-speed HG+ / Eagle (5.25 mm) — not on file Sources: KMC Chain — X12 — 12-speed bicycle chain (tier 1, read 2026-08-21)
Giant Propel Advanced 2 (2027)	unknown · confidence: inferred Chain standard : 12-speed HG+ / Eagle (5.25 mm)Check your installed setup or its technical sheet. Why? The facts we compared (1 dimension compared) Chain standard: bike nothing on file · part 12-speed HG+ / Eagle (5.25 mm) — not on file Sources: KMC Chain — X12 — 12-speed bicycle chain (tier 1, read 2026-08-21)
Giant Reign 29 2 (2021)	unknown · confidence: inferred Chain standard : 12-speed HG+ / Eagle (5.25 mm)Check your installed setup or its technical sheet. Why? The facts we compared (1 dimension compared) Chain standard: bike nothing on file · part 12-speed HG+ / Eagle (5.25 mm) — not on file Sources: KMC Chain — X12 — 12-speed bicycle chain (tier 1, read 2026-08-21)
Giant Revolt 2 (2026)	unknown · confidence: inferred Chain standard : 12-speed HG+ / Eagle (5.25 mm)Check your installed setup or its technical sheet. Why? The facts we compared (1 dimension compared) Chain standard: bike nothing on file · part 12-speed HG+ / Eagle (5.25 mm) — not on file Sources: KMC Chain — X12 — 12-speed bicycle chain (tier 1, read 2026-08-21)
Giant Revolt Advanced 2 (2025)	unknown · confidence: inferred Chain standard : 12-speed HG+ / Eagle (5.25 mm)Check your installed setup or its technical sheet. Why? The facts we compared (1 dimension compared) Chain standard: bike nothing on file · part 12-speed HG+ / Eagle (5.25 mm) — not on file Sources: KMC Chain — X12 — 12-speed bicycle chain (tier 1, read 2026-08-21)
Giant Roam 2 Disc (2021)	unknown · confidence: inferred Chain standard : 12-speed HG+ / Eagle (5.25 mm)Check your installed setup or its technical sheet. Why? The facts we compared (1 dimension compared) Chain standard: bike nothing on file · part 12-speed HG+ / Eagle (5.25 mm) — not on file Sources: KMC Chain — X12 — 12-speed bicycle chain (tier 1, read 2026-08-21)
Giant Talon 1 (2027)	unknown · confidence: inferred Chain standard : 12-speed HG+ / Eagle (5.25 mm)Check your installed setup or its technical sheet. Why? The facts we compared (1 dimension compared) Chain standard: bike nothing on file · part 12-speed HG+ / Eagle (5.25 mm) — not on file Sources: KMC Chain — X12 — 12-speed bicycle chain (tier 1, read 2026-08-21)
Giant Talon 2 (2025)	unknown · confidence: inferred Chain standard : 12-speed HG+ / Eagle (5.25 mm)Check your installed setup or its technical sheet. Why? The facts we compared (1 dimension compared) Chain standard: bike nothing on file · part 12-speed HG+ / Eagle (5.25 mm) — not on file Sources: KMC Chain — X12 — 12-speed bicycle chain (tier 1, read 2026-08-21)
Giant Talon E+ (2026)	unknown · confidence: inferred Chain standard : 12-speed HG+ / Eagle (5.25 mm)Check your installed setup or its technical sheet. Why? The facts we compared (1 dimension compared) Chain standard: bike nothing on file · part 12-speed HG+ / Eagle (5.25 mm) — not on file Sources: KMC Chain — X12 — 12-speed bicycle chain (tier 1, read 2026-08-21)
Giant TCX Advanced Pro 2 (2023)	unknown · confidence: inferred Chain standard : 12-speed HG+ / Eagle (5.25 mm)Check your installed setup or its technical sheet. Why? The facts we compared (1 dimension compared) Chain standard: bike nothing on file · part 12-speed HG+ / Eagle (5.25 mm) — not on file Sources: KMC Chain — X12 — 12-speed bicycle chain (tier 1, read 2026-08-21)
Giant Trance X 29 2 (2022)	unknown · confidence: inferred Chain standard : 12-speed HG+ / Eagle (5.25 mm)Check your installed setup or its technical sheet. Why? The facts we compared (1 dimension compared) Chain standard: bike nothing on file · part 12-speed HG+ / Eagle (5.25 mm) — not on file Sources: KMC Chain — X12 — 12-speed bicycle chain (tier 1, read 2026-08-21)
Giant XTC Jr 24 (2015)	unknown · confidence: inferred Chain standard : 12-speed HG+ / Eagle (5.25 mm)Check your installed setup or its technical sheet. Why? The facts we compared (1 dimension compared) Chain standard: bike nothing on file · part 12-speed HG+ / Eagle (5.25 mm) — not on file Sources: KMC Chain — X12 — 12-speed bicycle chain (tier 1, read 2026-08-21)
Kona Process 134	unknown · confidence: inferred Chain standard : 12-speed HG+ / Eagle (5.25 mm)Check your installed setup or its technical sheet. Why? The facts we compared (1 dimension compared) Chain standard: bike nothing on file · part 12-speed HG+ / Eagle (5.25 mm) — not on file Sources: KMC Chain — X12 — 12-speed bicycle chain (tier 1, read 2026-08-21)

See all 32 bikes

Sources

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

KMC Chain — X12 — 12-speed bicycle chain (tier 1, read 2026-08-21)