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AIMA Big Sur G2 15AH
Product Details
The AIMA Big Sur Sport G2 15Ah is a compact fat-tire utility e-bike designed to blend comfort, power, and maneuverability into a more manageable package than many large fat bikes. With its torque-sensing Bafang system, 20” x 4” tires, and high payload capacity, it works equally well for commuting, recreational riding, cargo hauling, and light off-road adventures.
Specifications
Motor & Power
- Bafang G062 48V rear hub motor
- 500W nominal output
- 80Nm torque
- UL-certified electrical system
- Torque sensor pedal assist
- Thumb throttle included
Battery
- 48V 15Ah (720Wh) lithium-ion battery
- Semi-integrated removable battery
- LG high-performance cells
- AIMA 48V 3A fast charger
- Charge time: ~5–6 hours
Range
- Estimated range:
- PAS 1: up to 80 km (~50 mi)
- PAS 5: ~45 km (~28 mi)
- Real-world riding generally falls around 30–60 miles depending on terrain, rider weight, speed, and assist level.
Top Speed
- Class 2 setup
- Up to ~32 km/h (20 mph) throttle
- Higher PAS settings available in some regions/settings
Sensor System
- Bafang SR PA242 torque sensor
- Smooth natural pedal assist feel
- Multiple PAS levels
Drivetrain
- Shimano 7-speed drivetrain
- Shimano Acera Rapidfire shifter
- Shimano Altus rear derailleur
- 52T chainring
- Shimano 11–34T Megarange cassette
Brakes
- Tektro HD-E3520 hydraulic disc brakes
- 203mm rotors front & rear
- Motor cut-off sensors
- Anti-vibration rotors
Wheels & Tires
- 20” wheels
- 20 x 4.0” fat tires
- Reflective sidewall strips
- E-bike rated casing
- Wide-profile alloy rims
Frame & Suspension
- Compact hydroformed aluminum step-through frame
- Internal cable routing
- Smooth weld construction
- Zoom suspension fork
- 80mm travel
- Lockout + preload adjustment
Electronics & Features
- Bafang DP C010 color TFT display
- Bluetooth connectivity
- Built-in navigation system
- Integrated front light (~600 lumens)
- Rear brake light + turn signals
- Electronic horn
- Full fenders included
- MIK-HD compatible rear cargo rack
Weight & Capacity
- Weight: ~74 lbs (33.5 kg)
- Max payload: 400 lbs (180 kg)
