RANGE
Up To 80 Miles*
BAFANG MOTOR
750W
SENSOR
Torque / Cadence
LG BATTERY
48V 20Ah
UL2849 Certification
2 Years Warranty
500+ Dealer Shops

Big Sur Sport 2.0 Ebike

The Spirit of Big Sur. Made Smarter.
Regular price
$1,999
Sale price
$1,999
Regular price
Color
Size
Test Ride at Nearby Shop
To ensure the best riding experience, we recommend booking an in-store test ride at our authorized dealer shops near you, where you can enjoy reliable and professional service and support.
RANGE
Up To 80 Miles*
BAFANG MOTOR
750W
SENSOR
Torque / Cadence
LG BATTERY
48V 20Ah
UL2849 Certification
WARRANTY
2 Years Warranty
500+ Dealer Shops
Big Sur Sport 2.0 Ebike

The Spirit Of Big Sur. Made Smarter.

Agile by design. Smarter by nature.

Smart At A Glance Smart At A Glance
Signal With Confidence Signal With Confidence
Big Sur U Bike

Big Sur Sport 2.0 Geometry

Size One Size
Top Tube 631mm
Reach 438mm
Head Tube Length 160mm
Standover 427mm
Wheelbase 1162mm
Overall Length 1770mm
Min Saddle Height 792mm
Max Saddle Height 972mm
Recommended Height 5'0" - 6'3"

Technology That Goes Further

  • Smart features built for modern exploration.



Powered By BAFANG
Powered By BAFANG

Integrated electronics with proven reliability.

Choose Your Ride
Choose Your Ride

Switch between Torque and Cadence modes.

Up To 80 Miles
Up To 80 Miles

More range. More freedom.

Urban Discovery
Urban Discovery
Beach Trail Ride
Beach Trail Ride
Sunset Explorer
Sunset Explorer
Beach & Coastal Cruising
Beach & Coastal Cruising
Smart Adventure
Smart Adventure

Specifications

Motor
Rear Hub Motor, BAFANG, 750W
Peak Power: 1200 W | Max Torque: 85 N.m
Throttle
Throttle on Demand
Pedal Sensor
Torque / Cadence
Pedal Assist
5 PAS Levels
Speed
20/28 MPH  Up to 28 MPH Pedal Assist, 20 MPH Throttle Only
Display
C010 BAFANG E-system TFT Display (Find My, Sensor Selection Function)
Certification
UL2849
Shifter
Shimano 7 Speed
Rear Derailleur
Shimano 7 Speed
Cassette
7 Speed, 11-28T
Chain
7 Speed
Crankset
52T Chainring
Motor & Drivetrain
Battery
48V 20Ah
Cells
LG
Chargeing Time
About 7 H to a Full Charge
Range
Up To 80 Miles*
Lighting
Front Light/Rear Light/Intergrated Rear Turn Lights
Horn
Yes
Battery & Electrical
Frame
6061 Single-Butted Aluminum Alloy Frame
Fork
"ZOOM "Suspension Fork, with Lockout
Dimensions (L×W×H)
1770*720*1130 mm
Weight
77.2 lbs 35 kg
Payload Capacity
400 lbs 181 kg
Kickstand
KickstandAluminum Alloy Kickstand
Pedals
 Alloy Platform
FRAME & SUSPENSION
detail
Brake
Tektro Hydraulic Disc 203 mm Brakes
Tires
20''*4.0
Rims
Double Wall Aluminum Alloy
Spokes
Black Stainless
Tubes
Butyl rubber
Front Hub
Aluminum Alloy Disc
BRAKES & WHEELS
detail
Saddle
AIMA Enlarged Comfort Saddle
Seatpost
Aluminium Alloy 30.9mm
Seat Clamp
34.9mm Quick Release
Stem
Threadless
Handlebars
Aluminium Alloy 720mm
Grips
Ergonomic Comfort
Headset
Sealed Bearing Headset
Cockpit
detail

Your Next Adventure Is Closer Than You Think

Visit your local AIMA dealer and experience the smarter side of Big Sur Sport.

Rider reviews

Fun Size & Spunky
Fun Size & Spunky

The 2nd-gen Big Sur Sport is versatile, nimble, peppy, and responsive. It’s also remarkably customizable to suit the style and preferences of its rider. It’s clearly a step forward for the brand, offering improved geometry, a larger battery, and a more customizable ride experience than the brand’s previous Sport model. On the other hand, it clearly still prioritizes fun, with its agile handling and responsive, powerful motor.

Read More
Real Range, Power Test, Pros & Cons
Real Range, Power Test, Pros & Cons

It’s one of those bikes that feels really stable and confidence-inspiring, especially on rough pavement or gravel. The battery is huge, braking is strong, and it’s clearly built for comfort riding.

Learn More

Frequently Asked Questions

The Big Sur Sport 2.0 builds upon the original Big Sur Sport platform with several significant upgrades, including:

  • Larger 48V 20Ah (960Wh) battery
  • Updated BAFANG smart drive system
  • Torque and Cadence Sensor modes
  • BAFANG Go App connectivity
  • Apple Find My compatibility
  • Integrated navigation functionality
  • Enhanced ride customization options
  • Improved performance and extended range

These upgrades provide greater versatility, longer range, and a more connected riding experience.

The Big Sur Sport 2.0 retains the compact 20" fat-tire platform riders love while adding several premium features, including:

  • A larger 960Wh battery
  • Torque and Cadence Sensor switching
  • BAFANG Go App connectivity
  • Apple Find My compatibility
  • Navigation support
  • Expanded ride customization
  • Improved range and performance

The result is a smarter, more capable, and more customizable riding experience.

The Big Sur Sport 2.0 is ideal for riders looking for:

  • A compact fat-tire eBike
  • Urban commuting
  • RV and camping travel
  • Recreational riding
  • Mixed-terrain adventures
  • A highly customizable riding experience

Its compact frame, 20" × 4" fat tires, and powerful motor make it an excellent choice for riders who value comfort, maneuverability, and versatility.

The Big Sur Sport 2.0 is equipped with a high-capacity 48V 20Ah (960Wh) battery.Actual riding range depends on rider weight, terrain, assist level, throttle usage, weather conditions, tire pressure, and cargo load.

Under typical riding conditions, riders can expect up to 75 miles of range on a full charge.

For maximum range, use lower assist levels, maintain proper tire pressure, and keep the battery properly charged.

The Big Sur Sport 2.0 features a removable 48V 20Ah (960Wh) lithium-ion battery integrated into the frame.

The battery can be charged while installed on the bicycle or removed for convenient indoor charging.

Yes.

The battery is removable and lockable for convenient charging, transportation, and storage.

Always use the supplied charger or an approved replacement charger.

Under normal conditions, the Big Sur Sport 2.0 battery typically requires approximately 7–8 hours to fully charge.Charging time may vary depending on battery condition and ambient temperature.

The Big Sur Sport 2.0 is powered by a 750W BAFANG rear hub motor designed to provide strong acceleration, reliable hill-climbing capability, and smooth power delivery across a variety of riding conditions.

Yes.

The Big Sur Sport 2.0 is equipped with a torque sensor and allows riders to select between Torque Mode and Cadence Mode riding experiences.

Torque Mode provides motor assistance based on rider pedal effort for a more natural feel, while Cadence Mode delivers a more relaxed riding experience with consistent assistance.

This flexibility allows riders to choose the riding style that best suits their preferences and conditions.

  • Navigation
  • Apple Find My setup
  • Call notifications
  • Text notifications
  • Ride records
  • Battery information

Yes.

The Big Sur Sport 2.0 offers additional smart features through both the display and the BAFANG Go App.Available features may include:

  • Assist level settings
  • Ride data tracking
  • Navigation features
  • Battery monitoring
  • Display customization
  • System settings
  • Apple Find My integration

Available functions may vary depending on software version, mobile device compatibility, and local regulations.

Yes.

The Big Sur Sport 2.0 is compatible with Apple's Find My network.

When paired with a compatible smartphone through the BAFANG Go App, riders can locate their eBike using the Find My app on a compatible iPhone, iPad, or Mac, then riders can view their bike's location directly within the Find My app.

For setup instructions, please refer to the Owner's Manual or contact your authorized AIMA dealer.

Yes.

When paired with the BAFANG Go App, riders can access navigation features directly through the display system, helping simplify route guidance during rides.

The Big Sur Sport 2.0 is delivered as a Class 2 eBike with a top assisted speed of 20 MPH.

Depending on local regulations and dealer configuration, certain models may support Class 3 pedal-assist operation. Please contact your authorized AIMA dealer for details.

The 20" × 4" fat tires provide several benefits:

  • Lower center of gravity
  • Improved low-speed stability
  • Easier mounting and dismounting
  • Excellent maneuverability
  • Improved traction on pavement, gravel, dirt, and sand
  • Comfortable ride quality

These features make the Big Sur Sport 2.0 especially suitable for urban riding, recreational riding, RV travel, and mixed-terrain use.

Yes.

The Big Sur Sport 2.0's compact frame design and 20-inch wheel platform make it an excellent choice for RV owners, campers, and riders with limited storage space.

Its fat tires and powerful motor also perform well on campground roads, gravel paths, and recreational trails.

The Big Sur Sport 2.0 is designed to accommodate a wide range of rider heights.

For the best fit, please visit your authorized AIMA dealer for a professional sizing recommendation.

The Big Sur Sport 2.0 is designed to support a maximum payload capacity of 400 lbs (181 kg), including the rider, cargo, and accessories.

Always ensure cargo is properly secured and distributed evenly.

Your first point of contact should always be your authorized AIMA dealer.

Authorized dealers are trained to diagnose and resolve most service and warranty concerns and can work directly with AIMA when additional support is required.If you are unable to contact your dealer, please contact AIMA Customer Support:info@aimausa.com

The Big Sur Sport 2.0 is backed by AIMA's 2-Year Limited Warranty covering defects in materials and workmanship under normal use and maintenance.

Warranty claims should be initiated through an authorized AIMA dealer.

AIMA provides warranty support through its dealer network, while certain service procedures, labor charges, and dealer-specific service programs may vary by dealer.Please contact your authorized dealer for warranty-related assistance and coverage details.