Qwik 2014 N7.1 size: S
2022 Battery renewed to 446Wh, spent 349 euros.
2023 Gear renewed to 8 gears; chain and back break renewed, spent 200 euros.
2024 Control, Motor, and Break cables renewed. (warranty for 2 months), spent 250 euros.
Note: 1. The front and back lights are powered by AA batteries. 2. The bike's 446Wh battery case is fixed by a soft cable.