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KMC X8 chain, 8-speed

KMC chain. Needs from your bike: Rear speeds and 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 X8 chain, 8-speed is a chain (consumable). It requires 2 things of a bike — Rear speeds and Chain standard — read from Specialized and KMC. 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 — Rear speeds8 speeds
Requires — Chain standard6 / 7 / 8-speed
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

  • 8 speeds
  • 6 / 7 / 8-speed

Needs from your bike: Rear speeds: 8 speeds · Chain standard: 6 / 7 / 8-speed

Chain

Fits these bikes

Specialized Diverge E5 Shimano Claris (2025)fits · confidence: single-source
Why? The facts we compared (2 dimensions compared)
  • Rear speeds: bike 8 speeds (single-source) · part 8 speeds — match
  • Chain standard: bike 6 / 7 / 8-speed (verified) · part 6 / 7 / 8-speed — match

Sources:

Trek Domane AL 2 Gen 4fits · confidence: verified
Why? The facts we compared (2 dimensions compared)
  • Rear speeds: bike 8 speeds (verified) · part 8 speeds — match
  • Chain standard: bike 6 / 7 / 8-speed (verified) · part 6 / 7 / 8-speed — match

Sources:

Brompton C Line 12-speedunknown · confidence: verified
  • Rear speeds : 8 speedsCheck your installed setup or its technical sheet.
  • Chain standard : 6 / 7 / 8-speedCheck your installed setup or its technical sheet.
Why? The facts we compared (2 dimensions compared)
  • Rear speeds: bike nothing on file · part 8 speeds — not on file
  • Chain standard: bike nothing on file · part 6 / 7 / 8-speed — not on file

Sources:

Canyon Grail CF SL 7unknown · confidence: verified
  • Rear speeds : 8 speedsCheck your installed setup or its technical sheet.
  • Chain standard : 6 / 7 / 8-speedCheck your installed setup or its technical sheet.
Why? The facts we compared (2 dimensions compared)
  • Rear speeds: bike nothing on file · part 8 speeds — not on file
  • Chain standard: bike nothing on file · part 6 / 7 / 8-speed — not on file

Sources:

Canyon Ultimate CF 7 (5th generation · US build 4612)unknown · confidence: verified
  • Rear speeds : 8 speedsCheck your installed setup or its technical sheet.
  • Chain standard : 6 / 7 / 8-speedCheck your installed setup or its technical sheet.
Why? The facts we compared (2 dimensions compared)
  • Rear speeds: bike nothing on file · part 8 speeds — not on file
  • Chain standard: bike nothing on file · part 6 / 7 / 8-speed — not on file

Sources:

Giant Defy Advanced 2 (2025)unknown · confidence: verified
  • Rear speeds : 8 speedsCheck your installed setup or its technical sheet.
  • Chain standard : 6 / 7 / 8-speedCheck your installed setup or its technical sheet.
Why? The facts we compared (2 dimensions compared)
  • Rear speeds: bike nothing on file · part 8 speeds — not on file
  • Chain standard: bike nothing on file · part 6 / 7 / 8-speed — not on file

Sources:

Giant Defy Advanced 2 (2026)unknown · confidence: verified
  • Rear speeds : 8 speedsCheck your installed setup or its technical sheet.
  • Chain standard : 6 / 7 / 8-speedCheck your installed setup or its technical sheet.
Why? The facts we compared (2 dimensions compared)
  • Rear speeds: bike nothing on file · part 8 speeds — not on file
  • Chain standard: bike nothing on file · part 6 / 7 / 8-speed — not on file

Sources:

Giant Escape 3 (2024)unknown · confidence: verified
  • Rear speeds : 8 speedsCheck your installed setup or its technical sheet.
  • Chain standard : 6 / 7 / 8-speedCheck your installed setup or its technical sheet.
Why? The facts we compared (2 dimensions compared)
  • Rear speeds: bike nothing on file · part 8 speeds — not on file
  • Chain standard: bike nothing on file · part 6 / 7 / 8-speed — not on file

Sources:

Giant Fathom 29 2 (2022)unknown · confidence: verified
  • Rear speeds : 8 speedsCheck your installed setup or its technical sheet.
  • Chain standard : 6 / 7 / 8-speedCheck your installed setup or its technical sheet.
Why? The facts we compared (2 dimensions compared)
  • Rear speeds: bike nothing on file · part 8 speeds — not on file
  • Chain standard: bike nothing on file · part 6 / 7 / 8-speed — not on file

Sources:

Giant Glory Advanced (2025)unknown · confidence: verified
  • Rear speeds : 8 speedsCheck your installed setup or its technical sheet.
  • Chain standard : 6 / 7 / 8-speedCheck your installed setup or its technical sheet.
Why? The facts we compared (2 dimensions compared)
  • Rear speeds: bike nothing on file · part 8 speeds — not on file
  • Chain standard: bike nothing on file · part 6 / 7 / 8-speed — not on file

Sources:

Giant Propel Advanced 2 (2027)unknown · confidence: verified
  • Rear speeds : 8 speedsCheck your installed setup or its technical sheet.
  • Chain standard : 6 / 7 / 8-speedCheck your installed setup or its technical sheet.
Why? The facts we compared (2 dimensions compared)
  • Rear speeds: bike nothing on file · part 8 speeds — not on file
  • Chain standard: bike nothing on file · part 6 / 7 / 8-speed — not on file

Sources:

Giant Reign 29 2 (2021)unknown · confidence: verified
  • Rear speeds : 8 speedsCheck your installed setup or its technical sheet.
  • Chain standard : 6 / 7 / 8-speedCheck your installed setup or its technical sheet.
Why? The facts we compared (2 dimensions compared)
  • Rear speeds: bike nothing on file · part 8 speeds — not on file
  • Chain standard: bike nothing on file · part 6 / 7 / 8-speed — not on file

Sources:

Giant Revolt 2 (2026)unknown · confidence: verified
  • Rear speeds : 8 speedsCheck your installed setup or its technical sheet.
  • Chain standard : 6 / 7 / 8-speedCheck your installed setup or its technical sheet.
Why? The facts we compared (2 dimensions compared)
  • Rear speeds: bike nothing on file · part 8 speeds — not on file
  • Chain standard: bike nothing on file · part 6 / 7 / 8-speed — not on file

Sources:

Giant Revolt Advanced 2 (2025)unknown · confidence: verified
  • Rear speeds : 8 speedsCheck your installed setup or its technical sheet.
  • Chain standard : 6 / 7 / 8-speedCheck your installed setup or its technical sheet.
Why? The facts we compared (2 dimensions compared)
  • Rear speeds: bike nothing on file · part 8 speeds — not on file
  • Chain standard: bike nothing on file · part 6 / 7 / 8-speed — not on file

Sources:

Giant Roam 2 Disc (2021)unknown · confidence: verified
  • Rear speeds : 8 speedsCheck your installed setup or its technical sheet.
  • Chain standard : 6 / 7 / 8-speedCheck your installed setup or its technical sheet.
Why? The facts we compared (2 dimensions compared)
  • Rear speeds: bike nothing on file · part 8 speeds — not on file
  • Chain standard: bike nothing on file · part 6 / 7 / 8-speed — not on file

Sources:

Giant Talon 1 (2027)unknown · confidence: verified
  • Rear speeds : 8 speedsCheck your installed setup or its technical sheet.
  • Chain standard : 6 / 7 / 8-speedCheck your installed setup or its technical sheet.
Why? The facts we compared (2 dimensions compared)
  • Rear speeds: bike nothing on file · part 8 speeds — not on file
  • Chain standard: bike nothing on file · part 6 / 7 / 8-speed — not on file

Sources:

Giant Talon 2 (2025)unknown · confidence: verified
  • Rear speeds : 8 speedsCheck your installed setup or its technical sheet.
  • Chain standard : 6 / 7 / 8-speedCheck your installed setup or its technical sheet.
Why? The facts we compared (2 dimensions compared)
  • Rear speeds: bike nothing on file · part 8 speeds — not on file
  • Chain standard: bike nothing on file · part 6 / 7 / 8-speed — not on file

Sources:

Giant Talon E+ (2026)unknown · confidence: verified
  • Rear speeds : 8 speedsCheck your installed setup or its technical sheet.
  • Chain standard : 6 / 7 / 8-speedCheck your installed setup or its technical sheet.
Why? The facts we compared (2 dimensions compared)
  • Rear speeds: bike nothing on file · part 8 speeds — not on file
  • Chain standard: bike nothing on file · part 6 / 7 / 8-speed — not on file

Sources:

Giant TCX Advanced Pro 2 (2023)unknown · confidence: verified
  • Rear speeds : 8 speedsCheck your installed setup or its technical sheet.
  • Chain standard : 6 / 7 / 8-speedCheck your installed setup or its technical sheet.
Why? The facts we compared (2 dimensions compared)
  • Rear speeds: bike nothing on file · part 8 speeds — not on file
  • Chain standard: bike nothing on file · part 6 / 7 / 8-speed — not on file

Sources:

Giant Trance X 29 2 (2022)unknown · confidence: verified
  • Rear speeds : 8 speedsCheck your installed setup or its technical sheet.
  • Chain standard : 6 / 7 / 8-speedCheck your installed setup or its technical sheet.
Why? The facts we compared (2 dimensions compared)
  • Rear speeds: bike nothing on file · part 8 speeds — not on file
  • Chain standard: bike nothing on file · part 6 / 7 / 8-speed — not on file

Sources:

See all 32 bikes

Sources

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

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