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SRAM GX Eagle Trigger Shifter SL-GX-1-A2, 12-speed, clamp included

SRAM shifter. Needs from your bike: Rear speeds, Shift actuation, Handlebar control-clamp diameter, Electric assist system, Front chainring count and Rear shifting actuation family.

The SRAM GX Eagle Trigger Shifter SL-GX-1-A2, 12-speed, clamp included is a shifter (component). It requires 6 things of a bike — Rear speeds, Shift actuation, Handlebar control-clamp diameter, Electric assist system, Front chainring count and Rear shifting actuation family — read from SRAM. 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 speeds12 speeds
Requires — Shift actuationMechanical (cable)
Requires — Handlebar control-clamp diameter22.2 mm
Requires — Electric assist systemNo electric assist
Requires — Front chainring count1 rings
Requires — Rear shifting actuation familySRAM X-ACTUATION mechanical 12-speed

Handlebar control-clamp diameter and Electric assist system are safety-critical: a wrong answer could hurt you, so we say "fits" only when the bike's fact is confirmed by two independent sources. With one source the honest answer is "unknown"; with none it is "unknown — safety-critical".

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

  • 12 speeds
  • Mechanical (cable)
  • 22.2 mm
  • No electric assist
  • 1 rings
  • SRAM X-ACTUATION mechanical 12-speed

Needs from your bike: Rear speeds: 12 speeds · Electric assist system: No electric assist · Shift actuation: Mechanical (cable) · Front chainring count: 1 rings · Rear shifting actuation family: SRAM X-ACTUATION mechanical 12-speed · Handlebar control-clamp diameter: 22.2 mm

Shifter

Find this part

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

Fits these bikes

Brompton C Line 12-speedunknown — safety-critical · confidence: single-source We can't answer this yet, and this is one where a guess could hurt you.
Why? The facts we compared (6 dimensions compared)
  • Rear speeds: bike nothing on file · part 12 speeds — not on file
  • Shift actuation: bike Mechanical (cable) (single-source) · part Mechanical (cable) — match
  • Handlebar control-clamp diameter (safety-critical): bike nothing on file · part 22.2 mm — not on file
  • Electric assist system (safety-critical): bike nothing on file · part No electric assist — not on file
  • Front chainring count: bike nothing on file · part 1 rings — not on file
  • Rear shifting actuation family: bike nothing on file · part SRAM X-ACTUATION mechanical 12-speed — not on file

Sources:

Canyon Grail CF SL 7unknown — safety-critical · confidence: single-source We can't answer this yet, and this is one where a guess could hurt you.
Why? The facts we compared (6 dimensions compared)
  • Rear speeds: bike 12 speeds (single-source) · part 12 speeds — match
  • Shift actuation: bike Mechanical (cable) (single-source) · part Mechanical (cable) — match
  • Handlebar control-clamp diameter (safety-critical): bike nothing on file · part 22.2 mm — not on file
  • Electric assist system (safety-critical): bike nothing on file · part No electric assist — not on file
  • Front chainring count: bike nothing on file · part 1 rings — not on file
  • Rear shifting actuation family: bike nothing on file · part SRAM X-ACTUATION mechanical 12-speed — not on file

Sources:

Canyon Ultimate CF 7unknown — safety-critical · confidence: single-source We can't answer this yet, and this is one where a guess could hurt you.
Why? The facts we compared (6 dimensions compared)
  • Rear speeds: bike 12 speeds (single-source) · part 12 speeds — match
  • Shift actuation: bike Mechanical (cable) (single-source) · part Mechanical (cable) — match
  • Handlebar control-clamp diameter (safety-critical): bike nothing on file · part 22.2 mm — not on file
  • Electric assist system (safety-critical): bike nothing on file · part No electric assist — not on file
  • Front chainring count: bike nothing on file · part 1 rings — not on file
  • Rear shifting actuation family: bike nothing on file · part SRAM X-ACTUATION mechanical 12-speed — not on file

Sources:

Giant Defy Advanced 2 (2025)unknown — safety-critical · confidence: single-source We can't answer this yet, and this is one where a guess could hurt you.
Why? The facts we compared (6 dimensions compared)
  • Rear speeds: bike 12 speeds (single-source) · part 12 speeds — match
  • Shift actuation: bike nothing on file · part Mechanical (cable) — not on file
  • Handlebar control-clamp diameter (safety-critical): bike nothing on file · part 22.2 mm — not on file
  • Electric assist system (safety-critical): bike nothing on file · part No electric assist — not on file
  • Front chainring count: bike nothing on file · part 1 rings — not on file
  • Rear shifting actuation family: bike nothing on file · part SRAM X-ACTUATION mechanical 12-speed — not on file

Sources:

Giant Escape 3 (2024)unknown — safety-critical · confidence: single-source We can't answer this yet, and this is one where a guess could hurt you.
Why? The facts we compared (6 dimensions compared)
  • Rear speeds: bike 7 speeds (single-source) · part 12 speeds — mismatch
  • Shift actuation: bike Mechanical (cable) (single-source) · part Mechanical (cable) — match
  • Handlebar control-clamp diameter (safety-critical): bike nothing on file · part 22.2 mm — not on file
  • Electric assist system (safety-critical): bike nothing on file · part No electric assist — not on file
  • Front chainring count: bike nothing on file · part 1 rings — not on file
  • Rear shifting actuation family: bike nothing on file · part SRAM X-ACTUATION mechanical 12-speed — not on file

Sources:

Giant Fathom 29 2 (2022)unknown — safety-critical · confidence: single-source We can't answer this yet, and this is one where a guess could hurt you.
Why? The facts we compared (6 dimensions compared)
  • Rear speeds: bike 10 speeds (single-source) · part 12 speeds — mismatch
  • Shift actuation: bike Mechanical (cable) (single-source) · part Mechanical (cable) — match
  • Handlebar control-clamp diameter (safety-critical): bike nothing on file · part 22.2 mm — not on file
  • Electric assist system (safety-critical): bike nothing on file · part No electric assist — not on file
  • Front chainring count: bike nothing on file · part 1 rings — not on file
  • Rear shifting actuation family: bike nothing on file · part SRAM X-ACTUATION mechanical 12-speed — not on file

Sources:

Giant Glory Advanced (2025)unknown — safety-critical · confidence: single-source We can't answer this yet, and this is one where a guess could hurt you.
Why? The facts we compared (6 dimensions compared)
  • Rear speeds: bike 7 speeds (single-source) · part 12 speeds — mismatch
  • Shift actuation: bike nothing on file · part Mechanical (cable) — not on file
  • Handlebar control-clamp diameter (safety-critical): bike nothing on file · part 22.2 mm — not on file
  • Electric assist system (safety-critical): bike nothing on file · part No electric assist — not on file
  • Front chainring count: bike nothing on file · part 1 rings — not on file
  • Rear shifting actuation family: bike nothing on file · part SRAM X-ACTUATION mechanical 12-speed — not on file

Sources:

Giant Propel Advanced 2 (2027)unknown — safety-critical · confidence: single-source We can't answer this yet, and this is one where a guess could hurt you.
Why? The facts we compared (6 dimensions compared)
  • Rear speeds: bike 12 speeds (single-source) · part 12 speeds — match
  • Shift actuation: bike nothing on file · part Mechanical (cable) — not on file
  • Handlebar control-clamp diameter (safety-critical): bike nothing on file · part 22.2 mm — not on file
  • Electric assist system (safety-critical): bike nothing on file · part No electric assist — not on file
  • Front chainring count: bike nothing on file · part 1 rings — not on file
  • Rear shifting actuation family: bike nothing on file · part SRAM X-ACTUATION mechanical 12-speed — not on file

Sources:

Giant Reign 29 2 (2021)unknown — safety-critical · confidence: single-source We can't answer this yet, and this is one where a guess could hurt you.
Why? The facts we compared (6 dimensions compared)
  • Rear speeds: bike 12 speeds (single-source) · part 12 speeds — match
  • Shift actuation: bike Mechanical (cable) (single-source) · part Mechanical (cable) — match
  • Handlebar control-clamp diameter (safety-critical): bike nothing on file · part 22.2 mm — not on file
  • Electric assist system (safety-critical): bike nothing on file · part No electric assist — not on file
  • Front chainring count: bike nothing on file · part 1 rings — not on file
  • Rear shifting actuation family: bike nothing on file · part SRAM X-ACTUATION mechanical 12-speed — not on file

Sources:

Giant Revolt Advanced 2 (2025)unknown — safety-critical · confidence: single-source We can't answer this yet, and this is one where a guess could hurt you.
Why? The facts we compared (6 dimensions compared)
  • Rear speeds: bike 12 speeds (single-source) · part 12 speeds — match
  • Shift actuation: bike Mechanical (cable) (single-source) · part Mechanical (cable) — match
  • Handlebar control-clamp diameter (safety-critical): bike nothing on file · part 22.2 mm — not on file
  • Electric assist system (safety-critical): bike nothing on file · part No electric assist — not on file
  • Front chainring count: bike nothing on file · part 1 rings — not on file
  • Rear shifting actuation family: bike nothing on file · part SRAM X-ACTUATION mechanical 12-speed — not on file

Sources:

Giant Roam 2 Disc (2021)unknown — safety-critical · confidence: single-source We can't answer this yet, and this is one where a guess could hurt you.
Why? The facts we compared (6 dimensions compared)
  • Rear speeds: bike 9 speeds (single-source) · part 12 speeds — mismatch
  • Shift actuation: bike Mechanical (cable) (single-source) · part Mechanical (cable) — match
  • Handlebar control-clamp diameter (safety-critical): bike nothing on file · part 22.2 mm — not on file
  • Electric assist system (safety-critical): bike nothing on file · part No electric assist — not on file
  • Front chainring count: bike nothing on file · part 1 rings — not on file
  • Rear shifting actuation family: bike nothing on file · part SRAM X-ACTUATION mechanical 12-speed — not on file

Sources:

Giant Talon 2 (2025)unknown — safety-critical · confidence: single-source We can't answer this yet, and this is one where a guess could hurt you.
Why? The facts we compared (6 dimensions compared)
  • Rear speeds: bike 9 speeds (single-source) · part 12 speeds — mismatch
  • Shift actuation: bike Mechanical (cable) (single-source) · part Mechanical (cable) — match
  • Handlebar control-clamp diameter (safety-critical): bike nothing on file · part 22.2 mm — not on file
  • Electric assist system (safety-critical): bike nothing on file · part No electric assist — not on file
  • Front chainring count: bike nothing on file · part 1 rings — not on file
  • Rear shifting actuation family: bike nothing on file · part SRAM X-ACTUATION mechanical 12-speed — not on file

Sources:

Giant Talon E+ (2026)unknown — safety-critical · confidence: single-source We can't answer this yet, and this is one where a guess could hurt you.
Why? The facts we compared (6 dimensions compared)
  • Rear speeds: bike 9 speeds (single-source) · part 12 speeds — mismatch
  • Shift actuation: bike Mechanical (cable) (single-source) · part Mechanical (cable) — match
  • Handlebar control-clamp diameter (safety-critical): bike nothing on file · part 22.2 mm — not on file
  • Electric assist system (safety-critical): bike nothing on file · part No electric assist — not on file
  • Front chainring count: bike nothing on file · part 1 rings — not on file
  • Rear shifting actuation family: bike nothing on file · part SRAM X-ACTUATION mechanical 12-speed — not on file

Sources:

Giant TCX Advanced Pro 2 (2023)unknown — safety-critical · confidence: single-source We can't answer this yet, and this is one where a guess could hurt you.
Why? The facts we compared (6 dimensions compared)
  • Rear speeds: bike 11 speeds (single-source) · part 12 speeds — mismatch
  • Shift actuation: bike nothing on file · part Mechanical (cable) — not on file
  • Handlebar control-clamp diameter (safety-critical): bike nothing on file · part 22.2 mm — not on file
  • Electric assist system (safety-critical): bike nothing on file · part No electric assist — not on file
  • Front chainring count: bike nothing on file · part 1 rings — not on file
  • Rear shifting actuation family: bike nothing on file · part SRAM X-ACTUATION mechanical 12-speed — not on file

Sources:

Giant Trance X 29 2 (2022)unknown — safety-critical · confidence: single-source We can't answer this yet, and this is one where a guess could hurt you.
Why? The facts we compared (6 dimensions compared)
  • Rear speeds: bike 12 speeds (single-source) · part 12 speeds — match
  • Shift actuation: bike Mechanical (cable) (single-source) · part Mechanical (cable) — match
  • Handlebar control-clamp diameter (safety-critical): bike nothing on file · part 22.2 mm — not on file
  • Electric assist system (safety-critical): bike nothing on file · part No electric assist — not on file
  • Front chainring count: bike nothing on file · part 1 rings — not on file
  • Rear shifting actuation family: bike nothing on file · part SRAM X-ACTUATION mechanical 12-speed — not on file

Sources:

Giant XTC Jr 24 (2015)unknown — safety-critical · confidence: single-source We can't answer this yet, and this is one where a guess could hurt you.
Why? The facts we compared (6 dimensions compared)
  • Rear speeds: bike 7 speeds (single-source) · part 12 speeds — mismatch
  • Shift actuation: bike Mechanical (cable) (single-source) · part Mechanical (cable) — match
  • Handlebar control-clamp diameter (safety-critical): bike nothing on file · part 22.2 mm — not on file
  • Electric assist system (safety-critical): bike nothing on file · part No electric assist — not on file
  • Front chainring count: bike nothing on file · part 1 rings — not on file
  • Rear shifting actuation family: bike nothing on file · part SRAM X-ACTUATION mechanical 12-speed — not on file

Sources:

Kona Sutra (2025)unknown — safety-critical · confidence: single-source We can't answer this yet, and this is one where a guess could hurt you.
Why? The facts we compared (6 dimensions compared)
  • Rear speeds: bike 10 speeds (single-source) · part 12 speeds — mismatch
  • Shift actuation: bike Mechanical (cable) (single-source) · part Mechanical (cable) — match
  • Handlebar control-clamp diameter (safety-critical): bike nothing on file · part 22.2 mm — not on file
  • Electric assist system (safety-critical): bike nothing on file · part No electric assist — not on file
  • Front chainring count: bike nothing on file · part 1 rings — not on file
  • Rear shifting actuation family: bike nothing on file · part SRAM X-ACTUATION mechanical 12-speed — not on file

Sources:

Liv Flourish 2 (2017)unknown — safety-critical · confidence: single-source We can't answer this yet, and this is one where a guess could hurt you.
Why? The facts we compared (6 dimensions compared)
  • Rear speeds: bike 8 speeds (single-source) · part 12 speeds — mismatch
  • Shift actuation: bike Mechanical (cable) (single-source) · part Mechanical (cable) — match
  • Handlebar control-clamp diameter (safety-critical): bike nothing on file · part 22.2 mm — not on file
  • Electric assist system (safety-critical): bike nothing on file · part No electric assist — not on file
  • Front chainring count: bike nothing on file · part 1 rings — not on file
  • Rear shifting actuation family: bike nothing on file · part SRAM X-ACTUATION mechanical 12-speed — not on file

Sources:

State Bicycle Co. Core-Line (2024)unknown — safety-critical · confidence: single-source We can't answer this yet, and this is one where a guess could hurt you.
Why? The facts we compared (6 dimensions compared)
  • Rear speeds: bike 1 speeds (single-source) · part 12 speeds — mismatch
  • Shift actuation: bike Single-speed / fixed (no shifting) (single-source) · part Mechanical (cable) — mismatch
  • Handlebar control-clamp diameter (safety-critical): bike nothing on file · part 22.2 mm — not on file
  • Electric assist system (safety-critical): bike nothing on file · part No electric assist — not on file
  • Front chainring count: bike nothing on file · part 1 rings — not on file
  • Rear shifting actuation family: bike nothing on file · part SRAM X-ACTUATION mechanical 12-speed — not on file

Sources:

Surly Disc Trucker 700cunknown — safety-critical · confidence: single-source We can't answer this yet, and this is one where a guess could hurt you.
Why? The facts we compared (6 dimensions compared)
  • Rear speeds: bike 9 speeds (single-source) · part 12 speeds — mismatch
  • Shift actuation: bike Mechanical (cable) (single-source) · part Mechanical (cable) — match
  • Handlebar control-clamp diameter (safety-critical): bike nothing on file · part 22.2 mm — not on file
  • Electric assist system (safety-critical): bike nothing on file · part No electric assist — not on file
  • Front chainring count: bike nothing on file · part 1 rings — not on file
  • Rear shifting actuation family: bike nothing on file · part SRAM X-ACTUATION mechanical 12-speed — not on file

Sources:

See all 22 bikes

Sources

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

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