Shimano CD-EM800 Chain Device
Best lightweight chain retention for electric mountain bike enthusiasts
This essential component ensures your chain stays securely on the ring during aggressive riding. It is a simple, effective insurance policy against dropped chains on electric mountain bikes, providing reliable performance when the trail gets rough.
$28.80
Who it's for
- Aggressive e-MTB riders tackling rough and technical terrain
- Shimano STEPS users seeking a factory-integrated component solution
- Weight-conscious riders wanting protection without sacrificing performance
Who should skip it
- Riders using non-Shimano motor systems or older drive units
- Budget-focused cyclists looking for the most affordable retention option
- Home mechanics who prefer simple, tool-free component upgrades
Performance breakdown
Chain Retention
Virtually eliminates dropped chains even on the most aggressive, technical descents.
E-Bike Integration
Specifically engineered to handle the high-torque demands of electric mountain bike drivetrains.
Build Durability
Robust construction withstands heavy trail impacts and harsh, muddy riding conditions.
Installation Ease
Straightforward setup process that gets you back on the trail quickly.
Weight Efficiency
Minimalist design adds essential security without unnecessary bulk to your setup.
Drivetrain Longevity
Reduces chain slap and wear, extending the life of your expensive components.
Key Specs
Compatibility
E-bike specific
Chainring Size
32T/30T
Part Number
ICDEM800X
Know before you buy
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Ask Metto anything about the Shimano CD-EM800 Chain Device before you decide.
