Buy AIMA Big Sur Online

Big Sur - The Ultimate Adventure Ebike
Big Sur Ebike

Don't Waste Your Money On Cheap Bikes

Get the best bike today. Quality, reliability, and top-tier performance—guaranteed.

Order Your Big Sur Today

Buying Online Doesn't Have to Be Overwhelming

We make buying your ebike quick, easy, and fun. Think of us as your long-distance local bike shop—here to guide you every step of the way.

Why We Love the Big Sur

We’ve tested every feature, and Big Sur stands out as the best in its class. From rugged reliability to smooth performance, it’s built for adventure.

What Makes the Big Sur Special?

Big Sur - Go Farther

Go Farther

The 48V, 15Ah (720Wh) LG battery provides up to 60 miles of range.

Big Sur - Ride Any Terrain

Ride Any Terrain

26” x 4” fat tires & a front suspension fork for maximum control.

Big Sur - Power & Precision

Power & Precision

750W Bafang motor, torque sensor & Shimano 8-speed for a smooth ride.

Big Sur - Safety First

Safety First

203mm hydraulic disc brakes & an LED headlight for night riding.

Big Sur - Ultimate Comfort

Unmatched Comfort

AIMA Comfort saddle, ergonomic grips, & a max load of 400 lbs.

Ready to Ride?

Order today and experience the Big Sur difference.

Get Yours Now

Frequently Asked Questions

How long does shipping take?

Orders typically ship within 5-7 business days.

What is the warranty on the Big Sur?

We offer a full 2-year warranty on all components.

Is assembly required?

Watch the full assembly video here.

What if I need help with my bike after purchase?

We provide lifetime support and work with you or local bikeshops to get you back on the road as soon as possible!

Do you offer financing?

Yes! We offer flexible financing options at checkout.

Still Have Questions?

Call us at (281) 803-9646 for personalized support.

Full Specifications

Performance & Power

  • Motor: 750W, 48V Brushless Rear Hub Motor
  • Torque Sensor: Yes
  • Throttle: Throttle on Demand
  • Pedal Assist: 5 PAS Levels
  • Max Speed: Up to 20 MPH (Pedal Assist & Throttle)
  • Range: 30 to 60 Miles

Battery & Charging

  • Battery: 48V, 15Ah (720Wh) Removable Lithium-ion with LG M50LT 21700 cells
  • Charger: 48V 3 Amp Fast Charger
  • Charge Time: ~5 Hours to Full Charge

Frame & Build

  • Frame: 6061 Single-Butted Aluminum Alloy with Internal Battery
  • Weight: 82 lbs (Battery Included)
  • Weight Limit: 400 lbs
  • Fork: Suspension Fork, 80mm Travel, Lockout

Drivetrain & Gearing

  • Crankset: 170mm w/ 52T Chainring
  • Shifter: Shimano 8-Speed
  • Cassette: 8-Speed, 11-34T
  • Chain: 130 Link, 8-Speed

Brakes & Safety

  • Brakes: Tektro Hydraulic Disc Brakes
  • Rotors: 203mm Front & Rear
  • Kickstand: Aluminum Alloy Kickstand

Wheels & Tires

  • Rims: Double Wall Aluminum Alloy
  • Spokes: Black Stainless 12G (Front & Rear)
  • Tubes: Butyl Rubber
  • Hubs: Front Aluminum Alloy Disc Hub
  • Tires: 26" x 4" Puncture Resistant

Comfort & Handling

  • Saddle: AIMA Comfort, 280mm x 270mm
  • Seatpost: Aluminum Alloy, 30.4mm 2-Bolt Clamp
  • Seat Clamp: 34.9mm Quick Release
  • Stem: Threadless, 31.8mm, 7° Rise, Ext 75mm
  • Handlebars: Aluminum Alloy Double Wall, 31.8mm, 680mm
  • Headset: Sealed Bearing Headset
  • Grips: Ergonomic Comfort

Technology & Extras

  • Display: Color LCD, Smart Easy-to-Read with Backlight
  • Rear Rack: MIK HD Compatible
  • Pedals: 9/16" Alloy Platform