Shimano STEPS CD-EM800 Chain Device (11/12 Speed) (W/ Plate) (For 34/36/38T Chainring)

Shimano STEPS CD-EM800 Chain Device Description: The Shimano STEPS CD-EM800 E-Mountain Bike Chain Device adds a sense of security knowing your chain will stay in place when the trail gets rough. Mounts to the drive unit with the integrated plate and included hardware. Features: Helps ensure chain stability and avoids chain drop over rough sections of the trail Clean and compact design Compatible with 53, 55, and 56.6mm chain line Compatible Shimano Drive Unit: DU-EP801 DU-EP800 DU-EP600 DU-E8000 DU-E8080 DU-E7000