Comfort with a capital C. The Kalkhoff Image 1.B Advance has a superlow and wide stepthrough frame, making get on and off very easy for a more comfortable and confident ride. The Bosch Active Plus drive unit gives you smooth support when you need it, and the 500Wh battery lets you go on long rides. With the Shimano Nexus 8-speed hub and hydraulic disc brakes you’re set for the commute and any other urban adventure.