GEPIDA are a Hungarian company from Budapest that have a range of top end ebikes. They have chosen to use the BOSCH crank drive system to power their bikes. The motor resides within the bicycle crank housing and is equipped with advanced electronics to detect torque, speed and cadence. They are not a cheap ebike but they are an amazing piece of technology and are the most advanced on the market. If you want the ability to use the power of the motor through the bicycle gearing then the BOSCH system is the top choice. BOSCH also make the battery packs to power these ebikes. All of the pictured models have a 400Wh battery pack.