Bosch Intuvia 100 Aftermarket Kit – 25.4mm The smart system Compatible. Bosch Intuvia 100 gives you an intuitive display which you can start riding immediately. Thanks to the large font the display is particularly clearly designed and together with the shift recommendation gives you more safety and comfort when riding. Operation is intuitive via the control unit – so your hands stay safely on the handlebars. The aftermarket retrofit kit includes all the items necessary to add the Intuvia 100 to your Bosch smart system equipped ebike.