2017 Haibike Yamaha PW X eBike System Highlights - YouTube
New E-Bikes, Frames, Motors - Haibike Goes Full Steam Ahead in 2021 - E-Bike Blog
2022 Haibike NDURO 7 Yamaha PW X3 Motor - YouTube
Yamaha introduce the new 2022 PW-X3 motor: The new motor is lighter, smaller and more powerful – What does that mean for new eMTBs? | E-MOUNTAINBIKE Magazine