SHIMANO STEPS CD-EM800 Chain Device 11/12-Speed with Plate For 34/36/38T Chainring
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.
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 For 34/36/38T Chainring