Shimano Alfine Crankset - 170mm - 45T - Black
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Product Information
Full details
The Shimano Alfine Crankset is designed for city bikes with internally geared hubs, offering a lightweight and stiff 2-piece design for optimal power transfer. Its key benefit is the sleek aesthetic combined with reliable performance. A potential consideration is its specific compatibility with 9-speed chains and the CS-S500 rear sprocket.
All features
| Model Part Number | S501 |
|---|---|
| Brand | Shimano Alfine |
Extended Product Information
FAQs
What type of chain is recommended for this crankset?
This crankset is designed for use with 9-speed chains.
Is this crankset compatible with external derailleurs?
No, this crankset is specifically designed for use with internally geared hubs and does not work with external derailleurs.
What is the crank arm length?
The crank arm length for this model is 170 mm.
What is the PCD of the crankset?
The crankset has a 5-arm, 130 PCD (Pitch Circle Diameter).
Does this crankset come with a bottom bracket?
Yes, a BS thread bottom bracket is included, suitable for a 42.7 mm chain line.
Can I use a different rear sprocket than the CS-S500?
While other sprockets might physically fit, it is recommended to use the CS-S500 for optimal performance and compatibility as specified by Shimano.
What is the tooth count of the included chainring?
The crankset comes with either a 39 or 42 tooth chainring.
Troubleshooting
Creaking noise from crankset
Check that all crank arm bolts and chainring bolts are tightened to the recommended torque. Ensure the bottom bracket is properly installed and greased.
Chain skipping or not engaging properly
Verify that you are using a compatible 9-speed chain and CS-S500 rear sprocket. Ensure the chain is properly tensioned and that the chainring teeth are not excessively worn.
Difficulty installing bottom bracket
Confirm you are using the correct bottom bracket tool and that the frame's bottom bracket shell is clean and free of debris. The included bottom bracket is a BS thread type for a specific chainline.
Chain guard feels loose
Tighten the bolts securing the chain guard ring to the crankset. Ensure it is positioned correctly to protect the chain.
Pros and Cons
Pros
- Lightweight and stiff construction for efficient pedaling.
- Integrated chain guard adds practicality for commuters.
- Sleek design enhances the visual appeal of city bikes.
- Reliable performance suited for internally geared hubs.
- Durable build quality for long-term use.
Cons
- Specific compatibility requirements (9-speed chain, CS-S500 sprocket).
- May require a specific bottom bracket (BS thread included for 42.7mm chainline).
- Limited to 170mm crank arm length.
- Chainring size (39T or 42T) is fixed, offering less customization.
Setup, Compatibility & Care
Setup:
- Ensure you have the correct bottom bracket for your frame (BS thread for 42.7mm chainline is included).
- Install the crankset onto the bottom bracket spindle according to manufacturer instructions.
- Attach the crank arm to the other side of the spindle.
- Ensure the chainring and chain guard are securely fastened.
Compatibility:
- Chain: Designed for use with 9-speed chains.
- Rear Sprocket: Compatible with Shimano CS-S500 rear sprockets.
- Bottom Bracket: Includes a BS thread bottom bracket for a 42.7mm chain line.
- Hubs: Ideal for internally geared hubs on city bikes.
Care:
- Regularly clean the chainring and crank arms with a damp cloth.
- Avoid using abrasive cleaners, which can damage the finish.
- Periodically check that all bolts are securely tightened.
- Lubricate the bottom bracket bearings if you notice any noise or stiffness.