FSA Ebike Chainset CK-602 - 170mm
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Product Information
Full details
The FSA CK-602 Ebike Chainset is an essential upgrade or replacement component designed specifically for riders using Bosch Generation 3 e-bike systems. This forged aluminum crankset provides the structural rigidity and durability necessary to handle the increased torque of electric mountain bike drivetrains while maintaining a lightweight profile. While it offers excellent performance for BNI-compatible systems, users must ensure their motor generation is specifically Bosch Gen 3 to guarantee proper fitment and axle compatibility.
All features
| Model Part Number | 32400022003050 |
|---|---|
| Brand | FSA |
Extended Product Information
FAQs
Can I use these cranks on a Bosch Performance Line CX Gen 4 motor?
No, the CK-602 is specifically engineered for Bosch Generation 3 systems using the BNI interface.
What tools are needed for installation?
You will generally need a torque wrench and the appropriate hex or splined bit required by your specific crank bolt configuration.
Does this set include the chainring?
No, this is a crank arm set. The chainring is typically a separate component depending on your specific drivetrain setup.
Are these suitable for enduro mountain biking?
Yes, the forged AL6061/T6 construction is designed to withstand the stresses of demanding mountain biking.
How much do they weigh?
The set weighs approximately 450 grams.
Is the finish prone to scratching?
The bead-blasted anodized finish is highly durable and resistant to scratches, though it can still be marked by severe impacts against rocks.
Troubleshooting
Cranks feel loose after installation
Verify that the BNI interface was seated correctly and ensure the crank arm bolts are torqued to the specific factory-recommended level.
Difficulty fitting onto the axle
Check that your drive system is definitely a Bosch Generation 3; this crank is not compatible with standard square-taper or ISIS interfaces.
Clicking noise while pedaling
Ensure the crank bolts are fully tightened and that the interface is free of sand or metal shavings.
Pros and Cons
Pros
- High-strength forged aluminum construction
- Reliable, specific fit for Bosch Gen 3 motors
- Durable bead-blasted anodized finish
- Professional, understated aesthetic
Cons
- Not compatible with non-Bosch systems
- Requires specific BNI interface tools for installation
- Limited to Bosch Gen 3 axle standards
Setup, Compatibility & Care
Installation requires basic knowledge of bicycle drivetrains and access to specific tools required for the Bosch Axle Interface (BNI). Before starting, ensure your e-bike motor is confirmed as a Generation 3 unit, as this crankset is not backwards or forwards compatible with other motor standards.
Installation Steps:
- Ensure the axle interface is clean and free of debris.
- Align the crank arms with the BNI interface, ensuring proper orientation.
- Secure the crank bolts to the manufacturer-specified torque settings to prevent loosening during operation.
Care Instructions:
- Regularly inspect the crank bolts for tightness after the first 50 miles of riding.
- Use a soft brush and mild soap to clean the crank arms; avoid harsh degreasers that may degrade the anodized finish.
- Check for any signs of play or looseness in the interface periodically.