Video by Lee Gavin via YouTube
Source
Rooder electric bike with 48v 750w 20ah 45-70km rang unboxing +8613632905138
timestamps:
00:00 electric bike Rooder r809-s2 unboxing by Gavin Lee
02:49 what are the tools inside the package
04:13 unpack the front wheel with fat tire
08:28 install the Rooder handlebar
15:15 assemble the front wheel
18:17 install the front mudguard
19:12 install the seat of the bike
21:19 install the right pedal (mark "R" on it)
22:14 install the left pedal (mark "L" on it)
23:11 connect the removable battery 48v 20ah, you can charge it at home.
24:14 power on and overview