Good price of electric bike 450W motor e bike manufacturing in China Specification
| Model name | QS-S |
| Max speed | 45km/h |
| Max Loading | 120kg |
| Motor power | 450W |
| Charger | AC 110-220V 50HZ |
| Controller | 9 tube |
| Brake | F&R Disc brake |
| Shock absorption | Hydraulic shock absorber |
| Tire | 2.75-10 Vacuum Tire |
| Rim | Aluminium Alloy |
| Battery capacity | 48V/60V 20AH |
| Charge Time | 6-8 Hours |
| Mirror | within |
Good price of electric bike 450W motor e bike manufacturing in China
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Compared with others, our factory always think and do more better. Careless and professional
are the key principle we obey and promise to all of you. 
Our story:
Rear suspension folding hidden battery ebike electric power bike
2005 the company group former QIANGSHENG TRICYLE factory set up
2008 set up ERM electric bike factory
2010 QIANGSHENG Group Co., Ltd set up
2013 set up beijing ERM as overseas sales showroom
Our live show:
Our services:
1. Bike warranty service
The frame: 2 years & Battery,charger,motor: 12 months
All of our products are guaranteed and backed by our technical assistance and considerate service. Furthermore, we will send you a certain percentage of spare parts free of charge based on 40HQ container order, and the value should be equal to 2% of the total payment. During the guaranteed period, any of the parts could be replaced upon receipt of your photos for proof. We can also offer training service for your staff at our factory if needed.
2. Electric bike OEM service .
We can accept sample and trial order.
