Shimano STEPS DU-E8000 Ebike Drive Unit - 20 mph, BlackThe Shimano STEPS DU E8000 Drive Unit is a compact drive unit designed for MTB riding styles. Lighter than the E6002 drive unit, the E8000 has a short rear center in order to increase clearance for suspension and large tires. Its compact size allows for a shorter chain stay and more clearance with the suspension and tire Offers a direct pedaling feel both on and off power assist mode Stable assist power output Includes 2 E tube ports for Shimano E