Shimano STEPS SC-EM800 EP8 Cycle Computer Display: Compact and low profile for MTB riding, the SHIMANO STEPS SC-EM800 wireless cycle computer shows the various functions of the SHIMANO STEPS E-BIKE 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) Refined wireless communication E-TUBE PROJECT wireless communication via smart phone/tablet ANT private wireless communication with 3rd party cycle computers Compatible with narrower next-gen electric wire SD300 Fits 31.8mm and 35mm bars