Electric bike on a scenic coastal road with a bridge and ocean view.

Conquer Your Frontier

Power, resilience, and freedom — carved into every ride.

RANGE
Up To 75 Miles*
SPEED
Class 2
POWER
750W

Big Sur Sport 2.0 Ebike

AIMA E-Bike is proud to present the Big Sur, our first e-bike model. Inspired by the rugged terrain and sweeping vistas of California's Big Sur coastline, infused with a deep appreciation for the beauty of the natural world, and a commitment to cutting-edge engineering, crafted with meticulous attention to detail, AIMA E-Bike is designed in California and manufactured in the world's largest E-Mobility factory. We prioritize safety, performance, aesthetics, and integrity in every step of the manufacturing process, with a mission to deliver you the perfect companion for your next big ride.

MOTOR Rear Hub Motor, BAFANG, 750W
Peak Power: 1200W | Max Torque: 85Nm
THROTTLEThrottle on Demand
DISPLAY BAFANG E-system TFT Display
Smart Function: FindMy, Navigation, Calls, Notifications
CERTIFICATIONUL2849 Compliant
SPEED20 MPH
BATTERYRemovable Internal Lithium-Ion, 48V, 20Ah (960Wh)
LIGHTINGIntegrated Headlight, Tail Lights, and Turn Signals w/ Horn
PEDAL SENSORCustomizable w/ Torque & Cadence Modes
PEDAL ASSIST5 PAS Levels
CHARGER48V, 3 Amp Fast Charger, 7–8 Hours to a Full Charge
RANGE40–75 miles
FRAME6061 Single-Butted Aluminum Alloy Frame
WEIGHT77 lbs
PEDALS9/16" Alloy Platform
FORKZOOM Suspension Fork, 80mm Travel, Adjustable Preload, Lockout
PAYLOAD CAPACITY400 lbs
KICKSTANDAluminum Alloy Kickstand
CRANKSET160mm w/ 52T Chainring
SHIFTERShimano 7 Speed
DERAILLEURShimano 7 Speed
CASSETTE7 Speed, 11–28T
BRAKESTektro Hydraulic Disc Brakes, 203 mm Rotors
CHAIN7 Speed
RIMSDouble Wall Aluminum Alloy
SPOKESBlack Stainless 12G Front / 12G Rear
TUBESButyl Rubber
FRONT HUBAluminum Alloy Disc
TIRES20" x 4.0"
SADDLEAIMA Comfort Saddle
SEATPOSTAluminum Alloy, 30.9mm 2-Bolt Clamp, 300mm
STEMThreadless, 31.8mm, 30° Rise, 50mm Length
SEAT CLAMP34.9mm Quick Release
HANDLEBARSAluminum Alloy Double Wall, 31.8mm, 680mm
HEADSETSealed Bearing Headset
GRIPSErgonomic Comfort

An ebike's battery life is influenced by several factors that can affect its maximum range. While our ebikes can achieve up to 60 miles of range under ideal riding conditions, range can vary from 20 - 60 miles based on many contributing factors.

Here's a list of the most common factors that affect range, as well as what you can do to maximize your riding time.

  • Pedal Assist: Higher levels of pedal assist will allow for an easier ride, but will also draw more power from the battery. Lower pedal assist levels are better for getting as many miles as possible out of your battery.

  • Average Cruising Speed: Riding slower will decrease the amount of energy you lose to wind resistance as the bike pushes you forward. Slower speeds will extend battery life.

  • Tire Pressure: Keeping your tires inflated to the recommended pressure can help increase your range. Maintaining a proper tire pressure not only increases your range, but also helps prevent pinch flats! For most riding situations, checking your tire pressure at least once a week will keep your ride safe and energy-efficient.

  • Load Weight: Carrying a heavier load can decrease your range. This includes the total load of both the weight of the rider and any cargo you may be carrying. More weight takes more time and energy to get up to speed, negatively affecting your range. It's best to keep loads light whenever possible if you're looking to extend your range.

  • Terrain & Elevation: In general, riding over smooth and flat terrain will give you a longer range. Hills and rough terrain can greatly impact your maximum range, especially on higher assist levels.

  • Wind: That's right! The wind can affect your battery range too! Riding into a headwind will decrease your range, but if you're able to catch a tailwind, you'll actually see that you'll gain more range! Be mindful of which way the wind is blowing when you are riding. If you've been riding in a tailwind, turning around will take more energy from the battery to get you home. 

  • Ambient Temperature: Riding in cold weather will impact the battery's ability to function optimally. A good rule of thumb is, if you're comfortable, then the battery is comfortable too. This also goes for storing the battery too!

All AIMA products are sold exclusively through Authorized AIMA Dealers and are not available for purchase online.

We do this because we want to support each and every community by offering our dealers unwavering support. The local bike shop is the center of each cycling community and we want to help preserve that by selling our products exclusively through our dealers.

Every Authorized AIMA Dealer offers free test rides for all models they have available. They each provide a personalized shopping experience to ensure that you are purchasing the correct size and model for your needs. This also guarantees that your bike is assembled correctly by a professional bicycle mechanic prior to your first ride!

AIMA has over 500 shops across the US and is rapidly expanding!

Find your local dealer here!

AIMA Dealer Map

Sale price $1,999
Color: Sage Green
Size: One Size: 5'0"-6'3"

Ride Further with Confidence

Enjoy up to 80 miles on a single charge thanks to the upgraded 48V 20Ah battery — that’s 33% more range than our 1st Gen.

Quieter, More Efficient Power

Compared to our already whisper-quiet first-generation motor, the new 750W version cuts noise by another 10dB while improving energy conversion—delivering the same quick, powerful acceleration with even greater efficiency.

Effortless, Natural Pedal Assist

The torque sensor instantly reads your pedaling and adjusts motor output for seamless, natural assistance every time you ride.

Never Miss a Turn... or a Call

The larger 4.0” display keeps stats clear at a glance, with FindMy and Bluetooth connection so you can mirror navigation, calls, and messages from your phone through app.

Built Like a Tank

A reinforced frame stands up to rough terrain and daily use, delivering long-term reliability in any riding environment.

Confident Braking Power

203mm hydraulic disc brakes provide strong, consistent stopping ability—even on steep hills or in wet conditions.

TOP SPEED

Class 2

Tires

20x4.0 Fat Tires

WARRANTY

2 Years

REAR RACK

MIK HD

RANGE

Up To 75 Miles*

BAFANG MOTOR

750W

SENSOR

Torque / Cadence

BATTERY

48V 20Ah (960Wh)

Big Sur Sport 2.0 Geometry

Electric bike on grass with waterfront and buildings in the background

Our Foundation is
in Technology.

AIMA's E-Mobility manufacturing facility is the largest in the world and is able to produce over 12 million products per year. Having ownership in the manufacturing process allows us to continually refine our product designs with every batch of bikes.

Explore E-bikes

UL2849 Certified

AIMA's E-Mobility manufacturing facility is the largest in the world and is able to produce over 12 million products per year. Having ownership in the manufacturing process allows us to continually refine our product designs with every batch of bikes.

Find a dealer

Video Gallery

The newest lightweight Ebike | AIMA Key West Ebike Review

The Key West is the lightest Ebike in the AIMA lineup, and has some impressive tech features that will be rolled out on the new...

Introducing the All New AIMA Big Sur Sport: 20" Tires, Same BIG Power

Think Big Sur power, but bite-sized! Discover the eBike designed for everyone, with all the muscle of the original.

AIMA Now at 500+ Local Bike Shops: Dealer First. Offline Only. Test Ride Ready.

Looking for an e-bike you can truly feel before you buy? In collaboration with Mill Race Cyclery, we celebrated our 500th trusted local bike shops...

AIMA Ebikes: We Hosted a Group Ride Event in Big Sur!

We hosted the Big Sur Coastal Ride, where the AIMA team and our riders traced the same roads that inspired our very first U.S. model...

Big Sur vs. Aventon Bikes: Epic Group Ride & Aventon Showdown at Bonelli Park

Join us for an exciting day at Bonelli Park in San Dimas, where we had actual Aventon bike owners alongside us, sharing their insights and...
AIMA BIG SUR Utility Purple electric bike with accessories on a wooden workbench in a workshop setting

Premium Ebike
Accessories

Enhance performance and comfort with precision-designed accessories.

Parts & Accessories

Find Us Nearby

Test ride an AIMA Electric Bike at dealers across the U.S. Experience great service and easy access to AIMA Electric Bike.

To view our selection of dealers nearest you, search by City, Zip or County.

Find a dealer