Shimano STEPS SM-CRE70 Chainring - 38T - 50mm Chainline
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Product Information
Full details
The Shimano STEPS SM-CRE70 Chainring is designed for riders using the STEPS FC-E7000 e-bike system who need a durable and efficient drivetrain component. Its key benefit is the robust construction combining steel teeth with an alloy spider for excellent rigidity and longevity. A key consideration is that the chainring fixing lock nut is not included with this product.
All features
| Model Part Number | SM-CRE70 |
|---|---|
| Brand | SHIMANO |
Extended Product Information
FAQs
Is the chainring fixing lock nut included?
No, the chainring fixing lock nut is not included with the Shimano STEPS SM-CRE70 chainring and must be purchased separately.
What type of chains is this chainring compatible with?
This chainring is compatible with 9, 10, and 11-speed chains.
What is the chainline of this chainring?
The chainring has a 50 mm chainline.
Can I use this chainring with a non-STEPS crankset?
This chainring is specifically designed for the Shimano STEPS FC-E7000 chainset and may not be compatible or perform optimally with other cranksets.
How often should I clean the chainring?
It is recommended to clean the chainring regularly, especially after riding in wet or muddy conditions, to ensure optimal performance and prolong its lifespan.
What material is the SM-CRE70 chainring made of?
The chainring features steel teeth and an alloy spider construction.
Troubleshooting
Chain skipping on the chainring
Ensure the chainring is securely fastened. Check chain wear and replace if necessary. Verify compatibility with your chain speed (9/10/11-speed).
Difficulty installing the chainring
Confirm you have the correct chainring fixing lock nut. Ensure the crank arm splines and chainring interface are clean and free of debris. Consult the Shimano STEPS installation manual for specific instructions.
Excessive noise during pedaling
Check for proper chain lubrication. Inspect the chainring for bent teeth or debris lodged between the teeth and the chain. Ensure the chainring is correctly aligned with the 50mm chainline.
Pros and Cons
Pros
- Durable steel teeth ensure long-lasting performance.
- Lightweight alloy spider construction.
- Optimized for Shimano STEPS FC-E7000 systems.
- Compatible with a range of chain speeds (9/10/11-speed).
Cons
- Chainring fixing lock nut is sold separately.
- Specific 50mm chainline may not be compatible with all frame types.
- Designed for a specific e-bike system, limiting broader application.
Setup, Compatibility & Care
Setup: The SM-CRE70 chainring is designed to be mounted onto the Shimano STEPS FC-E7000 crankset. Ensure you have the correct chainring fixing lock nut, as it is not included. Proper torque specifications should be followed during installation to ensure security and prevent damage. The 50 mm chainline requires careful consideration for frame compatibility.
Compatibility: This chainring is specifically compatible with the Shimano STEPS FC-E7000 chainset. It supports 9, 10, and 11-speed chains. Verify that your bicycle's frame and rear derailleur are compatible with a 50 mm chainline before installation.
Care: To maintain optimal performance and longevity, regularly clean the chainring with a degreaser and a brush to remove dirt and grime. Inspect the teeth for wear and replace the chainring when signs of significant wear or damage are apparent. Lubricate your chain regularly, as a well-maintained chain will also reduce wear on the chainring.