Shimano STEPS EM800 Wireless Cycle Computer Compact and low profile for MTB riding, the Shimano STEPS SC-EM800 wireless cycle computer shows the various functions of the Shimano STEPS Ebike system and can be customized through the E-TUBE PROJECT application Compact and low-profile MTB design Select profile and assist modes on display; Rider-customizable modes with E-TUBE Versatile placement- Interchangeable electric cable compatible with 30 mm rise handlebars Removable electric wire (SD300 type) E-TUBE PROJECT wireless communication via smartphone/tablet- ANT private wireless communication with 3rd party cycle computers SD300 port (pcs): 4 Clamp Band Diameter: 31.8mm/35mm Weight: 41g. Color: Black