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Zipp Service Course SL-70 drop handlebar

Zipp handlebar. Needs from your bike: Stem bar-clamp diameter (fitted stem). Provides: Handlebar clamp diameter (fitted bar).

Your configuration

Fit checks required · confidence: single-source Compatibility is not confirmed. Verify the listed mounting requirements before buying or installing this part.
  • Stem bar-clamp diameter (fitted stem) : 31.8 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Stem bar-clamp diameter (fitted stem) (safety-critical): bike nothing on file · part 31.8 mm — not on file

Sources:

Check configuration and return to bike

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

The Zipp Service Course SL-70 drop handlebar is a handlebar (component). It requires 1 thing of a bike — Stem bar-clamp diameter (fitted stem) — read from Zipp (SRAM). It provides Handlebar clamp diameter (fitted bar) to the parts that mount on it. 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 — Stem bar-clamp diameter (fitted stem)31.8 mm
Provides — Handlebar clamp diameter (fitted bar)31.8 mm

Mounting requirements to check: Stem bar-clamp diameter (fitted stem). Compatibility requires bike measurements confirmed by two independent sources. Otherwise, the verdict shows "Fit checks required" with the specific checks to complete.

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

  • 31.8 mm

Needs from your bike: Stem bar-clamp diameter (fitted stem): 31.8 mm

Provides: Handlebar clamp diameter (fitted bar): 31.8 mm

Handlebar

Fits these bikes

Canyon Grail CF SL 7Fit checks required · confidence: single-source Compatibility is not confirmed. Verify the listed mounting requirements before buying or installing this part.
  • Stem bar-clamp diameter (fitted stem) : 31.8 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Stem bar-clamp diameter (fitted stem) (safety-critical): bike nothing on file · part 31.8 mm — not on file

Sources:

Canyon Ultimate CF 7 (5th generation · US build 4612)unknown · confidence: single-source
  • Stem bar-clamp diameter (fitted stem) : 31.8 mmMatch requires corroboration from an independent technical source.
Why? The facts we compared (1 dimension compared)
  • Stem bar-clamp diameter (fitted stem) (safety-critical): bike 31.8 mm (single-source) · part 31.8 mm — match

Downgraded to "unknown": every fact matches, but a safety-critical one is confirmed by a single source only — we say "fits" on a safety dimension only with two independent sources

Sources:

Giant Defy Advanced 2 (2025)Fit checks required · confidence: single-source Compatibility is not confirmed. Verify the listed mounting requirements before buying or installing this part.
  • Stem bar-clamp diameter (fitted stem) : 31.8 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Stem bar-clamp diameter (fitted stem) (safety-critical): bike nothing on file · part 31.8 mm — not on file

Sources:

Giant Escape 3 (2024)Fit checks required · confidence: single-source Compatibility is not confirmed. Verify the listed mounting requirements before buying or installing this part.
  • Stem bar-clamp diameter (fitted stem) : 31.8 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Stem bar-clamp diameter (fitted stem) (safety-critical): bike nothing on file · part 31.8 mm — not on file

Sources:

Giant Fathom 29 2 (2022)Fit checks required · confidence: single-source Compatibility is not confirmed. Verify the listed mounting requirements before buying or installing this part.
  • Stem bar-clamp diameter (fitted stem) : 31.8 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Stem bar-clamp diameter (fitted stem) (safety-critical): bike nothing on file · part 31.8 mm — not on file

Sources:

Giant Glory Advanced (2025)Fit checks required · confidence: single-source Compatibility is not confirmed. Verify the listed mounting requirements before buying or installing this part.
  • Stem bar-clamp diameter (fitted stem) : 31.8 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Stem bar-clamp diameter (fitted stem) (safety-critical): bike nothing on file · part 31.8 mm — not on file

Sources:

Giant Propel Advanced 2 (2027)Fit checks required · confidence: single-source Compatibility is not confirmed. Verify the listed mounting requirements before buying or installing this part.
  • Stem bar-clamp diameter (fitted stem) : 31.8 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Stem bar-clamp diameter (fitted stem) (safety-critical): bike nothing on file · part 31.8 mm — not on file

Sources:

Giant Reign 29 2 (2021)Fit checks required · confidence: single-source Compatibility is not confirmed. Verify the listed mounting requirements before buying or installing this part.
  • Stem bar-clamp diameter (fitted stem) : 31.8 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Stem bar-clamp diameter (fitted stem) (safety-critical): bike nothing on file · part 31.8 mm — not on file

Sources:

Giant Revolt Advanced 2 (2025)Fit checks required · confidence: single-source Compatibility is not confirmed. Verify the listed mounting requirements before buying or installing this part.
  • Stem bar-clamp diameter (fitted stem) : 31.8 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Stem bar-clamp diameter (fitted stem) (safety-critical): bike nothing on file · part 31.8 mm — not on file

Sources:

Giant Roam 2 Disc (2021)Fit checks required · confidence: single-source Compatibility is not confirmed. Verify the listed mounting requirements before buying or installing this part.
  • Stem bar-clamp diameter (fitted stem) : 31.8 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Stem bar-clamp diameter (fitted stem) (safety-critical): bike nothing on file · part 31.8 mm — not on file

Sources:

Giant Talon E+ (2026)Fit checks required · confidence: single-source Compatibility is not confirmed. Verify the listed mounting requirements before buying or installing this part.
  • Stem bar-clamp diameter (fitted stem) : 31.8 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Stem bar-clamp diameter (fitted stem) (safety-critical): bike nothing on file · part 31.8 mm — not on file

Sources:

Giant TCX Advanced Pro 2 (2023)Fit checks required · confidence: single-source Compatibility is not confirmed. Verify the listed mounting requirements before buying or installing this part.
  • Stem bar-clamp diameter (fitted stem) : 31.8 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Stem bar-clamp diameter (fitted stem) (safety-critical): bike nothing on file · part 31.8 mm — not on file

Sources:

Giant Trance X 29 2 (2022)Fit checks required · confidence: single-source Compatibility is not confirmed. Verify the listed mounting requirements before buying or installing this part.
  • Stem bar-clamp diameter (fitted stem) : 31.8 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Stem bar-clamp diameter (fitted stem) (safety-critical): bike nothing on file · part 31.8 mm — not on file

Sources:

Giant XTC Jr 24 (2015)Fit checks required · confidence: single-source Compatibility is not confirmed. Verify the listed mounting requirements before buying or installing this part.
  • Stem bar-clamp diameter (fitted stem) : 31.8 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Stem bar-clamp diameter (fitted stem) (safety-critical): bike nothing on file · part 31.8 mm — not on file

Sources:

Kona SutraFit checks required · confidence: single-source Compatibility is not confirmed. Verify the listed mounting requirements before buying or installing this part.
  • Stem bar-clamp diameter (fitted stem) : 31.8 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Stem bar-clamp diameter (fitted stem) (safety-critical): bike nothing on file · part 31.8 mm — not on file

Sources:

Liv Flourish 2 (2017)Fit checks required · confidence: single-source Compatibility is not confirmed. Verify the listed mounting requirements before buying or installing this part.
  • Stem bar-clamp diameter (fitted stem) : 31.8 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Stem bar-clamp diameter (fitted stem) (safety-critical): bike nothing on file · part 31.8 mm — not on file

Sources:

State Bicycle Co. Core-Line WulfFit checks required · confidence: single-source Compatibility is not confirmed. Verify the listed mounting requirements before buying or installing this part.
  • Stem bar-clamp diameter (fitted stem) : 31.8 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Stem bar-clamp diameter (fitted stem) (safety-critical): bike nothing on file · part 31.8 mm — not on file

Sources:

Surly Disc Trucker 700c (2nd generation (2020 platform))Fit checks required · confidence: single-source Compatibility is not confirmed. Verify the listed mounting requirements before buying or installing this part.
  • Stem bar-clamp diameter (fitted stem) : 31.8 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Stem bar-clamp diameter (fitted stem) (safety-critical): bike nothing on file · part 31.8 mm — not on file

Sources:

Tern Quick Haul D8 Gen 1Fit checks required · confidence: single-source Compatibility is not confirmed. Verify the listed mounting requirements before buying or installing this part.
  • Stem bar-clamp diameter (fitted stem) : 31.8 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Stem bar-clamp diameter (fitted stem) (safety-critical): bike nothing on file · part 31.8 mm — not on file

Sources:

woom GO 4Fit checks required · confidence: single-source Compatibility is not confirmed. Verify the listed mounting requirements before buying or installing this part.
  • Stem bar-clamp diameter (fitted stem) : 31.8 mmCheck your installed setup or its technical sheet.
Why? The facts we compared (1 dimension compared)
  • Stem bar-clamp diameter (fitted stem) (safety-critical): bike nothing on file · part 31.8 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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