This is what I've riding on, on a daily basis, 30KM each way to my workplace and back.
Specs:
- Bike: Gary Fisher Big Sur XC 2006.
- Motor: Bafang 350W Front (runs at 500w after controller's shunt was soldered).
- Battery: 36v 16Ah (two 36v 8Ah in parallel).
- Controller: Some 6-FET garbage..
- Watt Meter: Cheap yet fully functional meter from eBay.
- Custom torque arms after original failed.
Handling: 40KM/h max, 50KM range.
I've learned so much from tinkering with this setup and customizing wherever I can.
This bike as it is has probably got 18,000 KM on it, and except for low squeaks that the motor's been doing for a long time, it's otherwise still going very strong.
Batteries have undergone 620 charge cycles and show no sign of fatigue, combined voltage hot off the charger is 42v. But how long can you go on with just 40KM/h..?
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