SunRace CSRZ800 Cassette
What the checker says137will not fit
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 840 verified gravel bike parts in this catalog. 750 produced no finding of any kind; that is CSRZ800 WAY Gravel 11-42T. CSRZ800 WAZ Gravel 11-46T clears 749. Each variant produces 80 to 87 distinct errors and 0 distinct warnings.
Will not fit
- Will not fiterror · Rear DerailleurSpeed mismatch: Rear derailleur 13s, Cassette 12s. 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 · Front DerailleurDrivetrain mismatch: Front derailleur = sram-axs-road, Cassette = shimano-grx-12. 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 · Rear DerailleurSpeed mismatch: Rear derailleur 11s, Cassette 12s. The drivetrain must share one speed count. On 4 of the 20 verified rear derailleurs in this catalog. Applies to all 2 variants.
- Will not fiterror · Rear DerailleurDrivetrain mismatch: Rear derailleur = shimano-grx-11, Cassette = shimano-grx-12. Shifter, derailleurs and cassette must be one system. On 4 of the 20 verified rear derailleurs in this catalog. Applies to all 2 variants.
Rg freehub, Rear Wheel. 90 more findings from the same check, on up to 2 of the 68 verified rear wheels each.
Rg rd capacity, Rear Derailleur. 17 more findings from the same check, on up to 1 of the 20 verified rear derailleurs each.
Rg drivetrain system, Shifter/Brake Levers. 7 more findings from the same check, on up to 3 of the 17 verified shifter/brake levers 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 speeds, Shifter/Brake Levers. 3 more findings from the same check, on up to 3 of the 17 verified shifter/brake levers each.
Rg drivetrain system, Front Derailleur. 3 more findings from the same check, on up to 3 of the 11 verified front derailleurs 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.
$70.00 to $75.00 MSRP·473 to 530 g
What the maker states
- Speeds
- 12-speed (rear index count the maker rates it for)
- System
- Drivetrain system shimano-grx-12
- Freehub
- / driver hg-road
- Minimum cog
- Smallest cog 11 teeth
- Maximum cog
- Largest cog 42 teeth (on 1 of 2 variants); Largest cog 46 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
| Variant | Maximum cog | Price (MSRP) | Weight | Source | Last checked | Build |
|---|---|---|---|---|---|---|
| CSRZ800 WAY Gravel 11-42T | Largest cog 42 teeth | $70.00 | 473 g | maker’s page | 2026-08-01 | Build with this |
| CSRZ800 WAZ Gravel 11-46T | Largest cog 46 teeth | $75.00 | 530 g | maker’s page | 2026-08-01 | Build with this |
Source
Source: each variant links the maker’s own page in the table above. Last checked 2026-08-01.
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.
- 3T Exploro Race (Frame) No conflicts found
- 3T Fango LTD (Fork) No conflicts found
- 8bar Gravel Carbon Disc Fork v2 (Fork) No conflicts found
- 9point8 Fall Line R (Dropper Post) No conflicts found
- Acros ZS44/28.6 | EC44/40 Headset (Headset) No conflicts found
- All-City Cosmic Stallion LTD (Frame) No conflicts found
6 of 492 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.