SHIMANO STEPS CD-EM800 Chain Device 11/12-Speed Frame Mount without Plate For 30T/32T Chainring
Added security on the trails with this plated e-MTB chain device Helps ensure chain stability and avoid chain drop through rough sections of trail Clean and compact design
Compatible with 53 mm, 55 mm and 56.5 mm chain line Frame mount (Without Plate) For use with 30t or 32t chainrings Compatible with 11 or 12 speed
Original Shimano parts guarantee that all components work perfectly for optimum performance and maximum safety and longevity.