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🌎 Ride Green. Carry More. Earth Day Special: Free Rear Trunk( $239) | April 20–26.

No Limits.Just Power.

Built for the Ride

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ROLL-ROAD

Emma 4.0 Ebike

Regular price
$1,999
Regular price
$2,599
Sale price
$1,999 Save $600 (23%)

Earth Week

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Color: Black
Class 2 E-Bike
Compliant with U.S. federal regulations
In Stock & Shipping
Ship out within 12 hours
Free Fast Shipping
Ships to the lower 48 U.S. states
Local Pickup Add
611 Reyes Dr, Walnut, CA 91789
Max Power
1.8kW Peak
(1500W)
Battery Capacity
2.08 kWh
(2×52V 20Ah)
Max Range
150 Mi
Max Speed
35 MPH
Off-Road
Max Grade
30%
(16.7°)
Max Load
450 Lbs
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  • Free shipping

  • 30-Day Return

  • 2-Year Warranty

Full Remote Support Included

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Step-By-Step Video Guides.

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Earth Day Deal

Built for Real Urban Life

The smooth, stable e-bike that rides all day, carries two, and lights your way—so you move through the city on your terms.

The Complete Riding Experience

Climbs Steep Hills

All-day riding

Fits 2 Riders

Pedal harder, power surges—effortless climb, natural ride.

Color Options

White: Clean, sleek, and timeless for a modern, standout look.Black: Bold, stealthy, and durable – perfect for everyday adventure.

Everyday Essentials

Thoughtfully equipped for your everyday ride.

Motor & Power

52V advanced system for greater efficiency and smoother power. 1500W BAFANG SUTTO motor delivers strong, instant acceleration—perfect for cargo and steep hills.

Dual 52V 20Ah batteries • 2080Wh

Equipped with a dual EVE battery system featuring two 52V 20Ah units, it delivers a combined capacity of 40Ah (2080Wh of total energy) and an impressive range of up to 150 miles.

Dual-Air ProSuspension

Double crown motorcycle level hydraulic FRONT fork; The only and best Nitrogen REAR Air Shocks on the market; Both front and rear are adjustable.

4-Piston Hydraulic Brakes

Built with power in mind, we use 180mm rotors and 4-piston brakes to make our bikes stop on a dime safely.

450 LB Unbeatable Payload

Made from 10mm Thickened 6061 aluminum alloy frame meets high-end structure designs, achieving mighty powerful payload capability.

Smart Display

4" color LED display—packed with all the details you need. NFC unlock for total freedom!

Light it Up

2000-lumen headlight with built-in horn, brake lights, and turn signals—safety, refined.

For Safety

Designed to see and be seen.

Largest Cargo Capacity

Turn your EMMA4.0 into a multi-purpose e-bike—pair the rear rack with our Passenger Seat and Cargo Trunk for max capacity.

Ergonomic Cushioned 18" Saddle

Soft yet Supportive. Its extra padding, wide and long size, highest level shock suspension, making it the most comfortable saddle for long rides!

CST SCOUT

Tailored for E-MOPED, the CST SCOUT is a high performance tire with compound pattern for road and cyclocross. Equipped on Black e-bike

INNOVA tires

20x4" INNOVA puncture-proof off-road tires — rugged, grippy, and maintenance-free. Equipped on White e-bike

Integrated. Stable. Silent.

Emma 4.0 upgrades the side-mounted battery of Emma 3.0 to a sleek, fully embedded design. Integrated into the frame, the new battery bay eliminates vibrations and rattling—even on rough roads—for a smoother, quieter ride. It also lowers the center of gravity, improving stability, handling, and balance, while giving the bike a cleaner look.

Verified Performance By Industry Experts

Real tests. Real results. Watch top reviewers experience the Emma 4.0’s power, comfort, and ride quality for yourself.

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