Shimano CD-EM800 Chain Guide e-MTB STEPS 11/12-Speed Anti Chain Drop Device

The Shimano CD-EM800 is a dedicated e-MTB chain guide designed for Shimano STEPS systems. Its purpose is to improve drivetrain stability and prevent chain drops when riding on technical or uneven terrain.

It is compatible with 11 and 12-speed drivetrains and integrates seamlessly with modern Shimano e-bike systems, ensuring reliable and quiet performance even under demanding riding conditions.

Key features

• Compatible with Shimano STEPS e-MTB systems
• Supports 11 and 12-speed drivetrains
• Prevents chain drop on rough terrain
• Compact and lightweight design
• Optimized for MTB and e-MTB use
• Precise chain retention adjustment

Benefits

The CD-EM800 improves drivetrain reliability by keeping the chain securely in place, reducing noise, impacts, and the risk of derailment during aggressive or technical riding.

Its compact construction ensures clean integration without interfering with pedaling efficiency or maintenance operations.

Compatibility

• Shimano STEPS e-MTB systems
• 11 and 12-speed drivetrains
• Chainline compatibility: 53 mm / 55 mm / 56.5 mm

Use cases

Ideal for e-MTB bikes used on technical trails, light enduro, and demanding off-road conditions where chain retention and drivetrain stability are essential.

Why choose Shimano CD-EM800

• Improved chain stability
• Reduced risk of chain drops
• Better reliability on technical terrain
• Seamless integration with Shimano STEPS systems
• Lightweight and durable design