Haibike - Modular Rail System - Range Extender Perfect for long trips: an additional battery with up to 500 Wh can be installed in just a few simple steps for a significant
Haibike Modular Rail System 2018 - YouTube
Haibike® Bosch Gen 4 System | Versatile ePerformance
Haibike: 1 kWh bei Hardtails & modernere Geo bei Fullys | BIKE