Cassette parts for the Trek FX 2 (Gen 4)

We have not verified this bike yet

12 of the 16 measurements are on file; 4 confirmed by two independent sources.

A documented replacement can be recommended even while unrelated bike measurements are missing.

microSHIFT ADVENT H-Series 9-speed cassette 11-46T
Cassette
unknown · confidence: inferred
- Rear derailleur max cog : ≥ 46 tCheck your installed setup or its technical sheet.
- Chain compatibility family : Check your installed setup or its technical sheet.
Why? The facts we compared (4 dimensions compared)
- Freehub body: bike Shimano HG, 8/9/10-speed body (also 11/12-speed MTB HG cassettes) (single-source) · part Shimano HG, 8/9/10-speed body (also 11/12-speed MTB HG cassettes) — match
- Rear speeds: bike 9 speeds (single-source) · part 9 speeds — match
- Rear derailleur max cog: bike nothing on file · part ≥ 46 t — not on file
- Chain compatibility family: bike nothing on file · part — not on file
Sources:
View specifications
Shimano SLX CS-M7100-12 cassette 10-51T, 12-speed
Cassette
does not fit · confidence: inferred
- Freehub body : Shimano Micro Spline (12-speed MTB)Does not match the documented build.
- Rear speeds : 12 speedsDoes not match the documented build.
- Rear derailleur max cog : ≥ 51 tCheck your installed setup or its technical sheet.
- Chain compatibility family : Check your installed setup or its technical sheet.
Why? The facts we compared (4 dimensions compared)
- Freehub body: bike Shimano HG, 8/9/10-speed body (also 11/12-speed MTB HG cassettes) (single-source) · part Shimano Micro Spline (12-speed MTB) — mismatch
- Rear speeds: bike 9 speeds (single-source) · part 12 speeds — mismatch
- Rear derailleur max cog: bike nothing on file · part ≥ 51 t — not on file
- Chain compatibility family: bike nothing on file · part — not on file
Sources:
View specifications
SRAM PG-1130 cassette 11-36T, 11-speed
Cassette
does not fit · confidence: inferred
- Freehub body : Shimano HG, 11-speed road body (+1.85 mm)Does not match the documented build.
- Rear speeds : 11 speedsDoes not match the documented build.
- Rear derailleur max cog : ≥ 36 tCheck your installed setup or its technical sheet.
- Chain compatibility family : Check your installed setup or its technical sheet.
Why? The facts we compared (4 dimensions compared)
- Freehub body: bike Shimano HG, 8/9/10-speed body (also 11/12-speed MTB HG cassettes) (single-source) · part Shimano HG, 11-speed road body (+1.85 mm) — mismatch
- Rear speeds: bike 9 speeds (single-source) · part 11 speeds — mismatch
- Rear derailleur max cog: bike nothing on file · part ≥ 36 t — not on file
- Chain compatibility family: bike nothing on file · part — not on file
Sources:
View specifications
SRAM PG-1130 cassette 11-42T, 11-speed
Cassette
does not fit · confidence: inferred
- Rear speeds : 11 speedsDoes not match the documented build.
- Rear derailleur max cog : ≥ 42 tCheck your installed setup or its technical sheet.
- Chain compatibility family : Check your installed setup or its technical sheet.
Why? The facts we compared (4 dimensions compared)
- Freehub body: bike Shimano HG, 8/9/10-speed body (also 11/12-speed MTB HG cassettes) (single-source) · part Shimano HG, 8/9/10-speed body (also 11/12-speed MTB HG cassettes) or Shimano HG, 11-speed road body (+1.85 mm) — match
- Rear speeds: bike 9 speeds (single-source) · part 11 speeds — mismatch
- Rear derailleur max cog: bike nothing on file · part ≥ 42 t — not on file
- Chain compatibility family: bike nothing on file · part — not on file
Sources:
View specifications
SRAM PG-1170 cassette 11-32T, 11-speed
Cassette
does not fit · confidence: inferred
- Freehub body : Shimano HG, 11-speed road body (+1.85 mm)Does not match the documented build.
- Rear speeds : 11 speedsDoes not match the documented build.
- Rear derailleur max cog : ≥ 32 tCheck your installed setup or its technical sheet.
- Chain compatibility family : Check your installed setup or its technical sheet.
Why? The facts we compared (4 dimensions compared)
- Freehub body: bike Shimano HG, 8/9/10-speed body (also 11/12-speed MTB HG cassettes) (single-source) · part Shimano HG, 11-speed road body (+1.85 mm) — mismatch
- Rear speeds: bike 9 speeds (single-source) · part 11 speeds — mismatch
- Rear derailleur max cog: bike nothing on file · part ≥ 32 t — not on file
- Chain compatibility family: bike nothing on file · part — not on file
Sources:
View specifications
SRAM PG-1210 Eagle cassette 11-50T, 12-speed
Cassette
does not fit · confidence: inferred
- Rear speeds : 12 speedsDoes not match the documented build.
- Rear derailleur max cog : ≥ 50 tCheck your installed setup or its technical sheet.
- Chain compatibility family : Check your installed setup or its technical sheet.
Why? The facts we compared (4 dimensions compared)
- Freehub body: bike Shimano HG, 8/9/10-speed body (also 11/12-speed MTB HG cassettes) (single-source) · part Shimano HG, 8/9/10-speed body (also 11/12-speed MTB HG cassettes) — match
- Rear speeds: bike 9 speeds (single-source) · part 12 speeds — mismatch
- Rear derailleur max cog: bike nothing on file · part ≥ 50 t — not on file
- Chain compatibility family: bike nothing on file · part — not on file
Sources:
View specifications
SRAM PG-1230 Eagle cassette 11-50T, 12-speed
Cassette
does not fit · confidence: inferred
- Rear speeds : 12 speedsDoes not match the documented build.
- Rear derailleur max cog : ≥ 50 tCheck your installed setup or its technical sheet.
- Chain compatibility family : Check your installed setup or its technical sheet.
Why? The facts we compared (4 dimensions compared)
- Freehub body: bike Shimano HG, 8/9/10-speed body (also 11/12-speed MTB HG cassettes) (single-source) · part Shimano HG, 8/9/10-speed body (also 11/12-speed MTB HG cassettes) — match
- Rear speeds: bike 9 speeds (single-source) · part 12 speeds — mismatch
- Rear derailleur max cog: bike nothing on file · part ≥ 50 t — not on file
- Chain compatibility family: bike nothing on file · part — not on file
Sources:
View specifications
SRAM Rival XG-1250 cassette 10-30T, 12-speed
Cassette
does not fit · confidence: inferred
- Freehub body : SRAM XDR (+1.85 mm)Does not match the documented build.
- Rear speeds : 12 speedsDoes not match the documented build.
- Rear derailleur max cog : ≥ 30 tCheck your installed setup or its technical sheet.
- Chain compatibility family : Check your installed setup or its technical sheet.
Why? The facts we compared (4 dimensions compared)
- Freehub body: bike Shimano HG, 8/9/10-speed body (also 11/12-speed MTB HG cassettes) (single-source) · part SRAM XDR (+1.85 mm) — mismatch
- Rear speeds: bike 9 speeds (single-source) · part 12 speeds — mismatch
- Rear derailleur max cog: bike nothing on file · part ≥ 30 t — not on file
- Chain compatibility family: bike nothing on file · part — not on file
Sources:
View specifications
SRAM Rival XG-1250 cassette 10-36T, 12-speed
Cassette
does not fit · confidence: inferred
- Freehub body : SRAM XDR (+1.85 mm)Does not match the documented build.
- Rear speeds : 12 speedsDoes not match the documented build.
- Rear derailleur max cog : ≥ 36 tCheck your installed setup or its technical sheet.
- Chain compatibility family : Check your installed setup or its technical sheet.
Why? The facts we compared (4 dimensions compared)
- Freehub body: bike Shimano HG, 8/9/10-speed body (also 11/12-speed MTB HG cassettes) (single-source) · part SRAM XDR (+1.85 mm) — mismatch
- Rear speeds: bike 9 speeds (single-source) · part 12 speeds — mismatch
- Rear derailleur max cog: bike nothing on file · part ≥ 36 t — not on file
- Chain compatibility family: bike nothing on file · part — not on file
Sources:
View specifications
SRAM XG-1275 Eagle cassette 10-52T, 12-speed
Cassette
does not fit · confidence: inferred
- Freehub body : SRAM XDDoes not match the documented build.
- Rear speeds : 12 speedsDoes not match the documented build.
- Rear derailleur max cog : ≥ 52 tCheck your installed setup or its technical sheet.
- Chain compatibility family : Check your installed setup or its technical sheet.
Why? The facts we compared (4 dimensions compared)
- Freehub body: bike Shimano HG, 8/9/10-speed body (also 11/12-speed MTB HG cassettes) (single-source) · part SRAM XD — mismatch
- Rear speeds: bike 9 speeds (single-source) · part 12 speeds — mismatch
- Rear derailleur max cog: bike nothing on file · part ≥ 52 t — not on file
- Chain compatibility family: bike nothing on file · part — not on file
Sources:
View specifications
SRAM XG-1295 Eagle cassette 10-52T, 12-speed
Cassette
does not fit · confidence: inferred
- Freehub body : SRAM XDDoes not match the documented build.
- Rear speeds : 12 speedsDoes not match the documented build.
- Rear derailleur max cog : ≥ 52 tCheck your installed setup or its technical sheet.
- Chain compatibility family : Check your installed setup or its technical sheet.
Why? The facts we compared (4 dimensions compared)
- Freehub body: bike Shimano HG, 8/9/10-speed body (also 11/12-speed MTB HG cassettes) (single-source) · part SRAM XD — mismatch
- Rear speeds: bike 9 speeds (single-source) · part 12 speeds — mismatch
- Rear derailleur max cog: bike nothing on file · part ≥ 52 t — not on file
- Chain compatibility family: bike nothing on file · part — not on file
Sources:
View specifications

Slots in this region

Cassette

The cassette of the Trek FX 2 (Gen 4): 1 slot — Cassette. 2 fit facts on file for this region. The parts menu below lists every catalogued part that belongs here with its computed verdict — fits, fits with adapter, does not fit or unknown — and why.

Freehub body	Shimano HG, 8/9/10-speed body (also 11/12-speed MTB HG cassettes) (single-source)
Rear speeds	9 speeds (single-source)

What does "unknown" mean on this page?: That we do not have, on file, the bike measurement this part needs. It is not a quiet "yes": until the measurement is on file, we do not sell the part for this bike.

Sources

Trek Bicycle Corporation — Trek FX 2 · Canada · product 57139 · component specifications (tier 1, read 2026-10-17)
Trek Bicycle Corporation — Trek FX 2 · Canada · product 57139 · component specifications (tier 1, read 2026-10-18)
Trek Bicycle Corporation — Trek FX 2 · Canada · product 57139 · component specifications (tier 1, read 2026-10-18)

Parts menu — 11 parts

Slots in this region

Sources