Quick Summary
The CYSKY single-speed crankset is a black, square-taper model with a 58-tooth chainring and 170 mm crank arms. Its stated specifications include a 130 mm BCD, a 1/2 in x 1/8 in chain size, and 9/16 in pedal threading. The bottom bracket is not included.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Brand and model | CYSKY, model CYSKY002858BK. |
| Chainring | 58 teeth (58T), for a single-speed setup. |
| Crank arms | 170 mm long. |
| BCD | 130 mm. Check the chainring bolt-circle size if replacement-ring compatibility matters. |
| Bottom-bracket interface | Square taper. The bottom bracket is not included. |
| Chain size | 1/2 in x 1/8 in. |
| Pedal threading | 9/16 in. |
| Material | 7075-T6 aluminum alloy. |
| Listed weight | 1 lb. |
| Color | Black. |
What to Compare Before Buying
Check that the 58T chainring suits your intended gearing when paired with the bike’s rear cog. Confirm the chain is the specified 1/2 in x 1/8 in size and that the pedals use 9/16 in threading.
Also check the bike’s crank-arm length, bottom-bracket interface and fit requirements. Chainline, spindle dimensions and frame-clearance measurements are not specified, so confirm those details for the exact bike before installation.
Compatibility, Size and Fit
Stated applications include single-speed bikes, track road bikes, fixed-gear bicycles and folding bikes. The listing also names BYA 412 P8, P18 and SP8, along with Dahon folding bikes. These application names do not establish fit for every bicycle in those categories or model families. Confirm fit against the exact bike’s specifications.
What Is Included
The item is identified as a crankset, and the bottom bracket is explicitly excluded. Check the supplied crankset components and confirm that the existing or separately sourced bottom bracket has the correct square-taper interface and dimensions for the bike.
Before You Decide
Match the 58T chainring and 170 mm arms to your setup, then verify the chain and pedal sizes. Confirm square-taper bottom-bracket fit and compatibility with the exact bicycle before choosing this crankset.
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