Quick Summary
The PETCHOR Square Taper MTB Crankset is a bike crank set with a 104BCD chainring and 34T tooth count. It is presented as a complete set with left crankset, right crankset, chainring, and a 68 mm x 118 mm bicycle bottom bracket.
This crankset also lists a 170 mm crank arm length, square taper bottom bracket style, and compatibility notes for single-speed use. Buyers should confirm the chainring size, bottom bracket fit, and speed setup before choosing an offer.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Brand | PETCHOR. Helps identify the exact crankset. |
| Product type | Square taper bike crankset. The main drivetrain part to compare against your bike setup. |
| Chainring | 104BCD, 34T. Confirm this tooth count and bolt pattern match your needs. |
| Crank arm length | 170 mm. Check that length against your preferred riding setup. |
| Included bottom bracket | 68 mm x 118 mm bicycle bottom bracket. Make sure it matches the frame and setup you plan to use. |
| Compatibility note | Listed for single-speed use and not for multi-speed bikes. |
What to Compare Before Buying
- Chainring pattern and size: This model uses 104BCD with a 34T chainring. Compare both details with the drivetrain configuration you need.
- Crank arm length: The listed length is 170 mm. Check that this suits your bike fit preferences.
- Bottom bracket fit: The included bottom bracket is 68 mm x 118 mm, and the compatibility note mentions a 68 mm BSA threaded bottom.
- Speed setup: This crankset is listed for single-speed use and not for multi-speed bikes.
- Pedal fit: The crankset lists compatibility with 9/16 in pedals.
What Is Included
- Left crankset
- Right crankset
- Chainring
- 68 mm x 118 mm bicycle bottom bracket
Before You Decide
Confirm the 104BCD / 34T chainring setup, the 170 mm crank arm length, and the included bottom bracket size before choosing an offer. This crankset is listed for single-speed use, so it is not the right choice for multi-speed bikes.





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