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Shengyi DGW22C/DGW22S-Rear Drive Motor is a high-torque rear hub motor specifically designed for electric mountain bikes (e-MTBs). Available in 350W and 500W versions, it easily handles steep climbs and rough terrains. Compatible with 20" to 28" wheel sizes and supporting both cassette and screw freewheel systems, it is an ideal rear-drive solution for e-bike brands and OEMs aiming to build high-performance models. Shengyi ebike rear motor stands out for its quiet operation, durability, and low maintenance requirements.
Shengyi DGW22C/DGW22S-Rear Drive Motor is a high-torque rear hub motor specifically designed for electric mountain bikes (e-MTBs). Available in 350W and 500W versions, it easily handles steep climbs and rough terrains. Compatible with 20" to 28" wheel sizes and supporting both cassette and screw freewheel systems, it is an ideal rear-drive solution for e-bike brands and OEMs aiming to build high-performance models. Shengyi ebike rear motor stands out for its quiet operation, durability, and low maintenance requirements.
GET A QUOTE| specification | parameter |
| Driving position | Rear |
| Wheel size | 20in-28in |
| Spoke | 36holes 12G |
| Rated power | 350-500W |
| Rated voltage | 36V~48V |
| Max.torque | ≥50N.m |
| Efficiency | ≥80％ |
| Cable side | Right |
| Number of magnet | 16 |
| Reduction gear ratio | 1:5.3 |
| Installation dimension | 138mm |
| Inside speed sensor | 1~6 |
| Hall sensor | With/Without |
| Free wheel | Cassette 8-10s/Screw 6-7s |
| Brake | Disc-brake/ V-brake |
| Classification of waterproof | IPX5 |
| Weight | 3.9Kg |
Rated power: 350W / 500W for strong and stable performance
Compatible wheel size: 20" to 28"
Cassette & screw freewheel options
High torque output for climbing and acceleration
Quiet operation with durable structure
Designed for off-road and mountain terrain
Over 20 years of motor manufacturing experience
ISO-certified production & strict quality control
Strong R&D team for OEM/ODM development
Reliable after-sales service & global support network
sales@syimotor.com
+86-512-65975022
+86-512-65963935
No.588, Liupu Road, Wuzhong District, Suzhou/215124, JiangSu Province, China
