D79 Series
D7 Series
S7 Series
B7 Series
K7 Series
E7 Series
C7 Series
A7 Series
L7 Series
PRODUCT
K7-138KR Hub Motor Unit
(eCity + eTour + eFold)
Ready for Off-Road Adventure? Meet the K7-138KR Hub Motor!
Specially Crafted for City Electric Bicycle
Customizable Power Output of 350W
Max Torque of 45N.M
Thrilling Max Speed of 35 Km/H
O.L.D is 138mm, Cassette Freewheel
Your Path to Thrilling Adventures!
350w
45 Nm
138mm
EXPLORE LIMITLESS ADVENTURES WITH K7-138KR HUB MOTOR!
Specially Designed: Crafted for city electric bicycle or road electric bicycle.
Powerful Specifications: Choose from 250W to 350W, with a torque of 45 N.m.
Thrilling Speeds: Max out at 35 km/h for an adrenaline-pumping journey.
Compact Installation: Fits rear forks with a width of 138mm.
Robust Aluminum Build: Resists humidity, rust, corrosion, and environmental challenges.
Lightweight & Durable: Boasts a lightweight design with high durability, weighing in at only 2.4 kg for easy handling.
Efficiency, Quiet, Rapid: Experience top efficiency, minimal noise, and rapid responsiveness.
Contact Us for The K7-138KR Hub Motor Experience!
ADDITIONAL INFORMATION
| K7 Series | K7-138KR |
|---|---|
| Colour | Black / Silver |
| Installation Site | Rear |
| Applied for E-bikes | e-City, e-Tour, e-Road |
| Cable Routing | Axle-Right |
| Cable Length(mm) | 200 |
| Sprocket Wheel | 8～10 |
| Brake Style | Disk-Brake |
| Spokes Holes | 36 |
| Spokes Size | 13G/12G |
| Spokes Central Dist.(mm) | 113 |
| Open Size(mm) | 138 |
| Wheel Size(inch) | 12/14/16/20/26/28 |
| Voltage(Vdc) | 24, 36, 48 |
| Rated Power(W) | 250,350 |
| Max Speed(km/h) | 25, 35 |
| Max Torque(N.m) | ＞45 |
| Reduction Ratio | 7.33:1 |
| Magnet Items(pcs) | 16 |
| Speed Sensor(pcs) | 1～6 |
| Efficiency（%） | ≥80 |
| Work Temperature(℃) | -20～45 |
| Noise Items(dB) | ＜50 |
| Weight(kg) | 2.4 |
| Waterproof Level | IP65 |
| Shells Material | Aluminium Alloy |
