SUR-RON
Ultra Bee
2025 · Next-Gen Performance
✓ CLASS 3 E-BIKE · 750W · 28 MPH
The 2025 Sur-Ron Ultra Bee is the next evolution in high-performance street-legal electric off-road riding. Featuring a forged aluminum alloy frame, advanced MTPA/MTPV controller, and HairPin winding motor technology, the Ultra Bee delivers unmatched efficiency and control. With a massive 74V/60Ah battery, crawling control function, and five riding modes, it's built for both technical trails and everyday riding — all within legal limits.
CLASS
CLASS 3 E-BIKE · 750W · 28 MPH
MOTOR
750W Nominal (Street Legal)
TOP SPEED
28 MPH (Street Legal Mode)
BATTERY
74V / 60Ah Lithium-ion
RANGE
71.5 miles @ 31 mph
MAX TORQUE (WHEEL)
377 ft-lbs
FRAME
Forged Aluminum Alloy
FRONT FORK TRAVEL
9.4 in
REAR WHEEL TRAVEL
9.4 in
SEAT HEIGHT
35.8 in
WHEELBASE
54.3 in
GROUND CLEARANCE
12.4 in
DRY WEIGHT
195 lbs
CARRYING CAPACITY
220 lbs
FRONT TIRE
80/100-19 Off-Road
REAR TIRE
100/90-18 Off-Road
CHARGE TIME (20–80%)
2.5 hours
RIDING MODES
Eco / Daily / Sports / Reverse / Turbo
BELT SYSTEM
Carbon Fiber Belt + Forged Pulley + Tungsten Carbide
DIMENSIONS
79.1 x 33.5 x 46.5 in