Quick Summary
The AUTES bicycle crankset is listed as a single-speed part with a purple 40T chainring, a 170 mm crankarm and a 104 BCD mounting pattern. The crankarm is described as aluminum alloy. Check your bike’s drivetrain and crank interface before selecting this part.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Configuration | Described as a single-speed crankset and not for multi-speed bikes. |
| Chainring | The selected version is 40T and purple. Other listed size options are 34T, 36T, 38T and 42T. |
| Crankarm | 170 mm long and described as aluminum alloy. |
| Mounting pattern | 104 BCD. Confirm that the bicycle’s crank interface accepts this pattern. |
| Tooth profile | The listing describes positive and negative teeth, with the stated intent of keeping the chain more closely engaged with the chainring. |
What to Compare Before Buying
- Drivetrain: The listing excludes multi-speed bikes. Confirm that your bicycle uses a compatible single-speed setup.
- Mounting and length: Check the 104 BCD interface and whether a 170 mm crankarm suits the bicycle’s existing setup.
- Chainring size: This version is 40T. Compare it with your current chainring and intended gearing; the listing does not establish which size is right for a particular bike.
- Package contents: Confirm which components are included in the selected configuration before assuming it contains every part needed for replacement.
Compatibility, Size and Fit
The listing gives broad examples of mountain, road, electric and folding bikes, but those examples do not establish fit for a particular bicycle. Its wording also pairs “9/10/11” with “single speed” while separately excluding multi-speed bikes. Do not treat that wording as confirmation of compatibility with a multi-speed drivetrain; check the exact bike and crank interface.
Before You Decide
Confirm single-speed compatibility, the 104 BCD interface, 170 mm crankarm length, 40T chainring size and the components included in the selected configuration. Follow the applicable manufacturer instructions when checking fit and installation.
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