E-Bike tuning with the badassBox for pedelecs with Shimano motor Our newest and best e-bike tuning for all Shimano mid-mounted drives – also with Di2! Slim casing with patented snap-lock fastening for even faster mounting and release. Even more robust thanks to a special potting compound from the automotive industry. New electronics compatible with recent firmware upt o 4.8.0. And now even better: Version 2019 supports mechanical and electronic gearshifts (Di2)! Excepts Nexus Di2 hub gears. A quality product designed, engineered and manufactured in Germany. Works with Di2 hub gears, except Nexus Scope of delivery badassBox 4 Shimano 2019 with AAA battery and spoke magnet with thumb screw