Shimano STEPS CD-EM800 Chain Retention Device - Drive Unit Mount With Plate 38T/36T/34T Chainring 55mm Chainline

Shimano STEPS CD-EM800 Chain Retention Device - Drive Unit Mount With Plate 38T/36T/34T Chainring 55mm Chainline. Enjoy an added sense of security on the trails with the Shimano STEPS CD-EM800 chain device for e-MTB.

Helps ensure chain stability and avoid chain drop through rough sections of trail

Clean and compact design

Compatible with 53 mm 55 mm & 56.5 mm chain line