Shimano STEPS SM-CRE80-B Chainring - 38T - 55 mm Chain Line - Black
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Product Information
Full details
The Shimano STEPS SM-CRE80-B Chainring is designed for serious e-bike riders who demand high-performance power transfer and consistent chain retention. Featuring advanced Dynamic Chain Engagement technology, it is ideal for rugged terrain where chain stability is essential. Riders should note that this specific model uses a 55 mm chain line and does not include a chain guard or the necessary fixing lock nut, requiring careful compatibility verification before installation.
All features
| Model Part Number | ISMCRE80B55A8XL |
|---|---|
| Brand | Shimano STEPS |
Extended Product Information
FAQs
Is the chain ring fixing lock nut included?
No, the fixing lock nut is sold separately and must be purchased to install this chainring.
Does this chainring include a chain guard?
No, this version of the SM-CRE80-B is supplied without a chain guard.
What is the tooth count for this model?
This specific model features 38 teeth.
Can I use this on a standard 50 mm chain line bike?
This chainring is specifically engineered for a 55 mm chain line; using it on a 50 mm setup may cause improper chain alignment and increased wear.
Is the construction material durable enough for e-MTB?
Yes, the steel teeth construction is specifically chosen for its durability under the high-torque output of Shimano STEPS e-bike systems.
Troubleshooting
Chain drops frequently on bumpy trails
Verify that your chain line is exactly 55 mm and ensure your rear derailleur clutch is engaged and properly tensioned.
Excessive noise during pedaling
Check that the chain is correctly lubricated and that the chainring is fully tightened onto the crank arm with the proper locking ring.
Pros and Cons
Pros
- Excellent chain retention on rough terrain
- High-durability steel construction
- Quiet and smooth operation under load
- Optimized for high-torque e-bike motors
Cons
- Chain guard not included
- Fixing lock nut must be purchased separately
- Specific to 55 mm chain line compatibility
Setup, Compatibility & Care
To install this chainring, ensure your crankset is compatible with a 55 mm chain line configuration, as this is critical for proper shifting and wear patterns. Since the lock nut is not included, ensure you have the correct Shimano-compatible tool to secure the ring to your crank arm. When performing maintenance, clean the ring regularly using a degreaser to prevent grit buildup, which can accelerate the wear of the chain and teeth. Inspect the teeth annually for signs of hooking or thinning, especially if you ride in muddy conditions, and replace the chain if you notice excessive play to prolong the life of the steel teeth.