SunRace CN12A Chain
What the checker says28will not fit
Run variant by variant through the road 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 1035 verified road bike parts in this catalog. 997 produced no finding of any kind. Each variant produces 14 distinct errors and 0 distinct warnings.
Will not fit
- Will not fiterror · CassetteChain mismatch: a sram-axs-road drivetrain runs a flattop chain, but SunRace CN11A is hg. On 10 of the 34 verified cassettes in this catalog. Applies to 1 of 2 variants.
- Will not fiterror · CassetteChain mismatch: a sram-axs-road drivetrain runs a flattop chain, but SunRace CN12A is hg. On 10 of the 34 verified cassettes in this catalog. Applies to 1 of 2 variants.
- Will not fiterror · Rear DerailleurChain mismatch: a sram-axs-road drivetrain runs a flattop chain, but SunRace CN11A is hg. On 4 of the 29 verified rear derailleurs in this catalog. Applies to 1 of 2 variants.
- Will not fiterror · Rear DerailleurChain mismatch: a sram-axs-road drivetrain runs a flattop chain, but SunRace CN12A is hg. On 4 of the 29 verified rear derailleurs in this catalog. Applies to 1 of 2 variants.
Rg chain std, Cassette. 8 more findings from the same check, on up to 3 of the 34 verified cassettes each.
Rg chain std, Rear Derailleur. 8 more findings from the same check, on up to 3 of the 29 verified rear derailleurs each.
Rg chain std, Shifter/Brake Levers. 8 more findings from the same check, on up to 3 of the 25 verified shifter/brake levers each.
Open a variant in the builder to see the ones that apply to your own parts.
$33.00 to $34.00 MSRP·250 to 266 g
What the maker states
- Speeds
- 11-speed (rear index count the maker rates it for) (on 1 of 2 variants); 12-speed (rear index count the maker rates it for) (on 1 of 2 variants)
- System
- Drivetrain system hg
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 | Speeds | Price (MSRP) | Weight | Source | Last checked | Build |
|---|---|---|---|---|---|---|
| CN12A | 12-speed (rear index count the maker rates it for) | $34.00 | 250 g | maker’s page | 2026-07-31 | Build with this |
| CN11A | 11-speed (rear index count the maker rates it for) | $33.00 | 266 g | maker’s page | 2026-07-31 | Build with this |
Source
Source: each variant links the maker’s own page in the table above. Last checked 2026-07-31.
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 Aeroflux Integrale (Handlebar) No conflicts found
- 3T Apto Stealth Stem (Stem) No conflicts found
- 3T Superergo LTD (standard, non-INTEGRALE) (Handlebar) No conflicts found
- All-City Zig Zag Frameset (Frame) No conflicts found
- Argon 18 SUM D-Shape Seatpost (Seatpost) No conflicts found
- Argon 18 Sum Frameset (Frame) No conflicts found
6 of 697 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.