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SunRace CSRX1 EAU Gravel 11-32T Cassette

What the checker says122will not fit4check before you buy

Run variant by variant through the gravel bike builder’s own engine. Every sentence below is the checker’s, unedited. Nothing here says this part fits your bike; it says what it does and does not fit among the parts we hold.

Checked against 863 verified gravel bike parts in this catalog. 772 produced no finding of any kind. Each variant produces 76 distinct errors and 4 distinct warnings.

Will not fit

  • Will not fiterror · Rear DerailleurSpeed mismatch: Rear derailleur 12s, Cassette 11s. The drivetrain must share one speed count. On 8 of the 20 verified rear derailleurs in this catalog. Applies to all 2 variants.
  • Will not fiterror · Rear DerailleurSpeed mismatch: Rear derailleur 13s, Cassette 11s. The drivetrain must share one speed count. On 5 of the 20 verified rear derailleurs in this catalog. Applies to all 2 variants.
  • Will not fiterror · Rear DerailleurDrivetrain mismatch: Rear derailleur = shimano-grx-12, Cassette = shimano-grx-11. Shifter, derailleurs and cassette must be one system. On 5 of the 20 verified rear derailleurs in this catalog. Applies to all 2 variants.
  • Will not fiterror · Shifter/Brake LeversSpeed mismatch: Shifter 12s, Cassette 11s. The drivetrain must share one speed count. On 5 of the 17 verified shifter/brake levers in this catalog. Applies to all 2 variants.
  • Will not fiterror · Front DerailleurDrivetrain mismatch: Front derailleur = sram-axs-road, Cassette = shimano-grx-11. Shifter, derailleurs and cassette must be one system. On 4 of the 11 verified front derailleurs in this catalog. Applies to all 2 variants.
  • Will not fiterror · Shifter/Brake LeversDrivetrain mismatch: Shifter = shimano-grx-12, Cassette = shimano-grx-11. Shifter, derailleurs and cassette must be one system. On 4 of the 17 verified shifter/brake levers in this catalog. Applies to all 2 variants.

Rg freehub, Rear Wheel. 92 more findings from the same check, on up to 2 of the 71 verified rear wheels each.

Rg chain std, Chain. 6 more findings from the same check, on up to 1 of the 17 verified chains each.

Rg drivetrain system, Rear Derailleur. 6 more findings from the same check, on up to 3 of the 20 verified rear derailleurs each.

Rg drivetrain system, Shifter/Brake Levers. 6 more findings from the same check, on up to 2 of the 17 verified shifter/brake levers each.

Rg drivetrain system, Front Derailleur. 3 more findings from the same check, on up to 2 of the 11 verified front derailleurs each.

Rg drivetrain speeds, Shifter/Brake Levers. 2 more findings from the same check, on up to 3 of the 17 verified shifter/brake levers each.

Rg drivetrain speeds, Rear Derailleur. 1 more finding from the same check, on up to 3 of the 20 verified rear derailleurs each.

Open a variant in the builder to see the ones that apply to your own parts.

Check before you buy

  • Check before you buywarning · Front DerailleurFront derailleur Shimano GRX FD-RX400-F is rated for 10-speed rear drivetrains (the maker's own spec); this build's cassette is 11-speed. Check the maker's compatibility chart. On 1 of the 11 verified front derailleurs in this catalog. Applies to all 2 variants.
  • Check before you buywarning · Front DerailleurFront derailleur Shimano GRX FD-RX820 is rated for 12-speed rear drivetrains (the maker's own spec); this build's cassette is 11-speed. Check the maker's compatibility chart. On 1 of the 11 verified front derailleurs in this catalog. Applies to all 2 variants.
  • Check before you buywarning · Front DerailleurFront derailleur Shimano GRX FD-RX825 is rated for 12-speed rear drivetrains (the maker's own spec); this build's cassette is 11-speed. Check the maker's compatibility chart. On 1 of the 11 verified front derailleurs in this catalog. Applies to all 2 variants.
  • Check before you buywarning · Front DerailleurFront derailleur microSHIFT Sword FD-G7020-F is rated for 10-speed rear drivetrains (the maker's own spec); this build's cassette is 11-speed. Check the maker's compatibility chart. On 1 of the 11 verified front derailleurs in this catalog. Applies to all 2 variants.
The checker compares the dimensions listed in what we check, and what we don’t. “No conflicts found” means no conflict among those dimensions — not a guarantee that a build works. Errors mean it won’t fit; warnings mean it works but check; infos are notes.

$50.00 to $55.00 MSRP·291 to 313 g

What the maker states

Speeds
11-speed (rear index count the maker rates it for)
System
Drivetrain system shimano-grx-11
Freehub
/ driver hg-road
Minimum cog
Smallest cog 11 teeth
Maximum cog
Largest cog 32 teeth (on 1 of 2 variants); Largest cog 34 teeth (on 1 of 2 variants)

A value shown as a set or a range differs between this model’s variants and is never one variant’s spec.

2 verified variants

VariantMaximum cogPrice (MSRP)WeightSourceLast checkedBuild
CSRX1 EAU Gravel 11-32TLargest cog 32 teeth$50.00313 gmaker’s page2026-08-10Build with this
CSRX11 EAV Gravel 11-34TLargest cog 34 teeth$55.00291 gmaker’s page2026-08-10Build with this
Source

Source: each variant links the maker’s own page in the table above. Last checked 2026-08-10.

Checked against

The checker ran this model against every verified part below that it has a slot for, the same way it checks a build in the builder. What follows is the verdict it actually produced for that specific pairing — not a recommendation, and not a guarantee any of these parts fits your own bike.

6 of 508 counterparts with a page of their own that the checker actually probed this model against, in alphabetical order by brand and model — never by price, popularity or the verdict itself.

Where this sits

SunRace CSRX1 EAU Gravel 11-32T is the first model on that list.Next: SunRace CSRZ800All SunRace cassettesOpen a variant in the builder to see the ones that apply to your own parts