Does this part fit my bike?

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

Shimano SLX CS-M7100-12 cassette 10-51T, 12-speed

Shimano cassette. Needs from your bike: Freehub body, Rear speeds and Rear derailleur max cog.

The Shimano SLX CS-M7100-12 cassette 10-51T, 12-speed is a cassette (component). It requires 3 things of a bike — Freehub body, Rear speeds and Rear derailleur max cog — read from MEC. 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 — Freehub body	Shimano Micro Spline (12-speed MTB)
Requires — Rear speeds	12 speeds
Requires — Rear derailleur max cog	≥ 51 t

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

Shimano Micro Spline (12-speed MTB)
12 speeds
≥ 51 t

Needs from your bike: Freehub body: Shimano Micro Spline (12-speed MTB) · Rear derailleur max cog: ≥ 51 t · Rear speeds: 12 speeds

Cassette

Find this part

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

Fits these bikes

Brompton C Line 12-speed (2025)	unknown · confidence: single-source Why? The facts we compared (3 dimensions compared) Freehub body: bike nothing on file · part Shimano Micro Spline (12-speed MTB) — not on file Rear speeds: bike nothing on file · part 12 speeds — not on file Rear derailleur max cog: bike nothing on file · part ≥ 51 t — not on file Sources: MEC — Shimano SLX CS-M7100-12 12 Speed Cassette — MEC listing (tier 2, read 2026-08-21)
Giant Reign 29 2 (2021)	unknown · confidence: single-source Why? The facts we compared (3 dimensions compared) Freehub body: bike Shimano Micro Spline (12-speed MTB) (single-source) · part Shimano Micro Spline (12-speed MTB) — match Rear speeds: bike 12 speeds (single-source) · part 12 speeds — match Rear derailleur max cog: bike nothing on file · part ≥ 51 t — not on file Sources: Giant Bicycles — Reign 29 2 (2021) — specifications (tier 1, read 2026-08-21) MEC — Shimano SLX CS-M7100-12 12 Speed Cassette — MEC listing (tier 2, read 2026-08-21)
Canyon Grail CF SL 7 (2025)	does not fit · confidence: single-source Why? The facts we compared (3 dimensions compared) Freehub body: bike Shimano HG, 11-speed road body (+1.85 mm) (single-source) · part Shimano Micro Spline (12-speed MTB) — mismatch Rear speeds: bike 12 speeds (single-source) · part 12 speeds — match Rear derailleur max cog: bike nothing on file · part ≥ 51 t — not on file Sources: Canyon — Grail CF SL 7 — specifications (tier 1, read 2026-08-21) MEC — Shimano SLX CS-M7100-12 12 Speed Cassette — MEC listing (tier 2, read 2026-08-21)
Canyon Ultimate CF 7 (2025)	does not fit · confidence: single-source Why? The facts we compared (3 dimensions compared) Freehub body: bike Shimano HG, 11-speed road body (+1.85 mm) (single-source) · part Shimano Micro Spline (12-speed MTB) — mismatch Rear speeds: bike 12 speeds (single-source) · part 12 speeds — match Rear derailleur max cog: bike nothing on file · part ≥ 51 t — not on file Sources: Canyon — Ultimate CF 7 — specifications (tier 1, read 2026-08-21) MEC — Shimano SLX CS-M7100-12 12 Speed Cassette — MEC listing (tier 2, read 2026-08-21)
Giant Defy Advanced 2 (2025)	does not fit · confidence: single-source Why? The facts we compared (3 dimensions compared) Freehub body: bike Shimano HG, 11-speed road body (+1.85 mm) (single-source) · part Shimano Micro Spline (12-speed MTB) — mismatch Rear speeds: bike 12 speeds (single-source) · part 12 speeds — match Rear derailleur max cog: bike nothing on file · part ≥ 51 t — not on file Sources: Giant Bicycles — Defy Advanced 2 (2025) — specifications (tier 1, read 2026-08-21) MEC — Shimano SLX CS-M7100-12 12 Speed Cassette — MEC listing (tier 2, read 2026-08-21)
Giant Escape 3 (2024)	does not fit · confidence: single-source Why? The facts we compared (3 dimensions compared) Freehub body: bike Threaded freewheel hub (1.37" × 24 tpi) (single-source) · part Shimano Micro Spline (12-speed MTB) — mismatch Rear speeds: bike 7 speeds (single-source) · part 12 speeds — mismatch Rear derailleur max cog: bike nothing on file · part ≥ 51 t — not on file Sources: Giant Bicycles — Escape 3 (2024) — specifications (tier 1, read 2026-08-21) MEC — Shimano SLX CS-M7100-12 12 Speed Cassette — MEC listing (tier 2, read 2026-08-21)
Giant Fathom 29 2 (2022)	does not fit · confidence: single-source Why? The facts we compared (3 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 10 speeds (single-source) · part 12 speeds — mismatch Rear derailleur max cog: bike nothing on file · part ≥ 51 t — not on file Sources: Giant Bicycles — Fathom 29 2 (2022) — specifications (tier 1, read 2026-08-21) MEC — Shimano SLX CS-M7100-12 12 Speed Cassette — MEC listing (tier 2, read 2026-08-21)
Giant Glory Advanced (2025)	does not fit · confidence: single-source Why? The facts we compared (3 dimensions compared) Freehub body: bike nothing on file · part Shimano Micro Spline (12-speed MTB) — not on file Rear speeds: bike 7 speeds (single-source) · part 12 speeds — mismatch Rear derailleur max cog: bike nothing on file · part ≥ 51 t — not on file Sources: MEC — Shimano SLX CS-M7100-12 12 Speed Cassette — MEC listing (tier 2, read 2026-08-21) Giant Bicycles — Glory Advanced (2025) — specifications (tier 1, read 2026-08-21)
Giant Propel Advanced 2 (2027)	does not fit · confidence: single-source Why? The facts we compared (3 dimensions compared) Freehub body: bike Shimano HG, 11-speed road body (+1.85 mm) (single-source) · part Shimano Micro Spline (12-speed MTB) — mismatch Rear speeds: bike 12 speeds (single-source) · part 12 speeds — match Rear derailleur max cog: bike nothing on file · part ≥ 51 t — not on file Sources: Giant Bicycles — Propel Advanced 2 (2027) — specifications (tier 1, read 2026-08-21) MEC — Shimano SLX CS-M7100-12 12 Speed Cassette — MEC listing (tier 2, read 2026-08-21)
Giant Revolt Advanced 2 (2025)	does not fit · confidence: single-source Why? The facts we compared (3 dimensions compared) Freehub body: bike Shimano HG, 11-speed road body (+1.85 mm) (single-source) · part Shimano Micro Spline (12-speed MTB) — mismatch Rear speeds: bike 12 speeds (single-source) · part 12 speeds — match Rear derailleur max cog: bike nothing on file · part ≥ 51 t — not on file Sources: Giant Bicycles — Revolt Advanced 2 (2025) — specifications (tier 1, read 2026-08-21) MEC — Shimano SLX CS-M7100-12 12 Speed Cassette — MEC listing (tier 2, read 2026-08-21)
Giant Roam 2 Disc (2021)	does not fit · confidence: single-source Why? The facts we compared (3 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 Sources: Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21) MEC — Shimano SLX CS-M7100-12 12 Speed Cassette — MEC listing (tier 2, read 2026-08-21)
Giant Talon 2 (2025)	does not fit · confidence: single-source Why? The facts we compared (3 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 46 t (single-source) · part ≥ 51 t — mismatch Sources: Giant Bicycles — Talon 2 (2025) — specifications (tier 1, read 2026-08-21) MEC — Shimano SLX CS-M7100-12 12 Speed Cassette — MEC listing (tier 2, read 2026-08-21)
Giant Talon E+ (2026)	does not fit · confidence: single-source Why? The facts we compared (3 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 Sources: Giant Bicycles — Talon E+ (2026) — specifications (tier 1, read 2026-08-21) MEC — Shimano SLX CS-M7100-12 12 Speed Cassette — MEC listing (tier 2, read 2026-08-21)
Giant TCX Advanced Pro 2 (2023)	does not fit · confidence: single-source Why? The facts we compared (3 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 11 speeds (single-source) · part 12 speeds — mismatch Rear derailleur max cog: bike nothing on file · part ≥ 51 t — not on file Sources: Giant Bicycles — TCX Advanced Pro 2 (2023) — specifications (tier 1, read 2026-08-21) MEC — Shimano SLX CS-M7100-12 12 Speed Cassette — MEC listing (tier 2, read 2026-08-21)
Giant Trance X 29 2 (2022)	does not fit · confidence: single-source Why? The facts we compared (3 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 12 speeds (single-source) · part 12 speeds — match Rear derailleur max cog: bike nothing on file · part ≥ 51 t — not on file Sources: Giant Bicycles — Trance X 29 2 (2022) — specifications (tier 1, read 2026-08-21) MEC — Shimano SLX CS-M7100-12 12 Speed Cassette — MEC listing (tier 2, read 2026-08-21)
Giant XTC Jr 24 (2015)	does not fit · confidence: single-source Why? The facts we compared (3 dimensions compared) Freehub body: bike nothing on file · part Shimano Micro Spline (12-speed MTB) — not on file Rear speeds: bike 7 speeds (single-source) · part 12 speeds — mismatch Rear derailleur max cog: bike nothing on file · part ≥ 51 t — not on file Sources: MEC — Shimano SLX CS-M7100-12 12 Speed Cassette — MEC listing (tier 2, read 2026-08-21) Giant Bicycles — XTC Jr 24 (2015) — specifications (tier 1, read 2026-08-21)
Kona Sutra (2025)	does not fit · confidence: single-source Why? The facts we compared (3 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 10 speeds (single-source) · part 12 speeds — mismatch Rear derailleur max cog: bike nothing on file · part ≥ 51 t — not on file Sources: Kona Bikes — Sutra (2025) — specifications (tier 1, read 2026-08-21) MEC — Shimano SLX CS-M7100-12 12 Speed Cassette — MEC listing (tier 2, read 2026-08-21)
Liv Flourish 2 (2017)	does not fit · confidence: single-source Why? The facts we compared (3 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 8 speeds (single-source) · part 12 speeds — mismatch Rear derailleur max cog: bike nothing on file · part ≥ 51 t — not on file Sources: Liv Cycling — Flourish 2 (2017) — specifications (tier 1, read 2026-08-21) MEC — Shimano SLX CS-M7100-12 12 Speed Cassette — MEC listing (tier 2, read 2026-08-21)
State Bicycle Co. Core-Line (2024)	does not fit · confidence: single-source Why? The facts we compared (3 dimensions compared) Freehub body: bike Threaded freewheel hub (1.37" × 24 tpi) (single-source) · part Shimano Micro Spline (12-speed MTB) — mismatch Rear speeds: bike 1 speeds (single-source) · part 12 speeds — mismatch Rear derailleur max cog: bike nothing on file · part ≥ 51 t — not on file Sources: State Bicycle Co. — Core-Line — Wulf — product page specifications (tier 1, read 2026-08-21) MEC — Shimano SLX CS-M7100-12 12 Speed Cassette — MEC listing (tier 2, read 2026-08-21)
Surly Disc Trucker 700c (2024)	does not fit · confidence: single-source Why? The facts we compared (3 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 Sources: Surly Bikes — Disc Trucker 700c — Hi-Viz Black — specifications and frame details (tier 1, read 2026-08-21) MEC — Shimano SLX CS-M7100-12 12 Speed Cassette — MEC listing (tier 2, read 2026-08-21)

See all 23 bikes

Sources

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

MEC — Shimano SLX CS-M7100-12 12 Speed Cassette — MEC listing (tier 2, read 2026-08-21)