














The Emerald Fold
Limited-Time Pricing | Shipping in April
Ride Farther. Faster. Easier.
• Foldable, step-through design
• 48V Samsung battery
• 20" x 4" premium fat tires
• Integrated magnesium wheels
• 180mm Hydraulic disc brakes
Enjoy limited-time, introductory pricing
Fast, free shipping to the lower 48 U.S. states
Description
- Compact, foldable design
- Step through, aluminum, single piece frame
- 48V Samsung Battery UL2271 Certified
- 20" x 4" premium fat tires
- Magnesium alloy integrated wheels
- Shimano derailleur
- XD-E610 Hydraulic disc brakes 180MM
- Genuine leather grips
- Front & rear lights
- Extra-wide 225mm saddle
We're not just green. We're Emerald.

- Bike Size & Fit
- Limited Warranty
- Arrives 90% assembled
- Questions? We’re happy to help! Email us at support@emerald.com

Average Range Breakdown
Designed for Long-Distance Comfort
A Comfortable Ride Anytime. Anywhere.
Performance & style only take you so far. Go the distance comfortably with premium features.

Foldability + Portability
The Origami of Transportation
Simplify storage in seconds with an ebike that folds to fit into just about any space: small apartments, garages, cars, RVs, and even under a desk.

Before

After

Removable 48V Premium Samsung Battery
Use the on-bike port or easily remove and charge the battery to prepare for your next adventure. Fully charges in 4-6 hours.

Integrated Horn, LCD Display, and Pedal Assist
Monitor your speed, battery life, and adjust the level of pedal assistance (five levels!) with the LCD display.

Removable 48V Premium Samsung Battery
Use the on-bike port or easily remove and charge the battery to prepare for your next adventure. Fully charges in 4-6 hours.

Integrated Horn, LCD Display, and Pedal Assist
Monitor your speed, battery life, and adjust the level of pedal assistance (five levels!) with the LCD display.

Foldable Aluminum Frame
Save space with our on-the-go, compact design ideal for strorage and transport.

Front & Rear Lights
Increase visibility and safety during the day and night with front and rear lights.

Foldable Aluminum Frame
Save space with our on-the-go, compact design ideal for strorage and transport.

Front & Rear Lights
Increase visibility and safety during the day and night with front and rear lights.

Thumb Throttle
Boost your ride or get full electric acceleration with throttle.

Fat Tires, Shimano Gears, & Hydraulic Disc Brakes
Ride efficiently with quality fat tires, innovative Shimano gears, and reliable hydraulic disc brakes.

Thumb Throttle
Boost your ride or get full electric acceleration with throttle.

Fat Tires, Shimano Gears, & Hydraulic Disc Brakes
Ride efficiently with quality fat tires, innovative Shimano gears, and reliable hydraulic disc brakes.

Genuine Leather Grips
Elevate your experience and comfort with genuine leather grips.

Adjustable Seat & Handlebar
Both the seat and the handlebar can be easily adjusted using a quick release so you can dial the size for your comfort.

Genuine Leather Grips
Elevate your experience and comfort with genuine leather grips.

Adjustable Seat & Handlebar
Both the seat and the handlebar can be easily adjusted using a quick release so you can dial the size for your comfort.
FAQ
What is the recommended rider size?
The Emerald Fold's adjustable seat and stem accomodates different heights and body types. We recommend a rider height of 5'2"-6'3" and less than 300lbs. See Bike Size & Fit here.
What is the range on a single charge?
A full battery charge can last up to 55 miles. On average, 35-55 miles depending on terrain.
How long does it take to fully charge the battery?
Our Samsung battery fully charges in 4-6 hours.
How fast can the Emerald Fold go?
The Emerald Fold is a Class II ebike with max motor speed of 20 MPH.
Is it foldable for easy storage and transportation?
Yes! Our ebike folds for space-saving convenience that can fit just about anywhere: your car, RV, apartment, even under your desk.
What is the maximum weight capacity?
We recommend a max weight of 300lbs.
Can an ebike use the bike lane?
One of the biggest benefits of riding an ebike in the city is the ability to avoid traffic and save time. Ebikes can often use bike lanes and paths, allowing you to bypass congested roads and arrive at your destination faster. Plus: ebikes are small and maneuverable, making them great for navigating through tight spaces and crowded areas.
Can the ebike be ridden by people of different ages and fitness levels?
Yes! The varying degees of assistance allows the Emerald Fold to be the universal option for all levels of ebike-enthusiasts.
Size & Fit
Adjustable frame fits most adults.
Recommended Rider Height: 5'3" - 6'2"
Recommended Rider Weight: <300lbs

Frame Size Measurements:
Top Tube Length: 26.3in
Reach: 19in
Head Tube Length: 6.5in
Standover Height: 15.35in
Wheelbase: 44.4in
Min Saddle Height: 33.5in
Max Saddle Height: 40in

Kristin's measurements: Inseam 30" / Height 5'4'

Justin's measurements: Inseam 33" / Height 6'2"
Size & Fit
Adjustable frame fits most adults.
Recommended Rider Height: 5'3" - 6'2"
Recommended Rider Weight: <300lbs

Frame Size Measurements:
Top Tube Length: 26.3in
Reach: 19in
Head Tube Length: 6.5in
Standover Height: 15.35in
Wheelbase: 44.4in
Min Saddle Height: 33.5in
Max Saddle Height: 40in

Kristin's measurements: Inseam 30" / Height 5'4'

Justin's measurements: Inseam 33" / Height 6'2"
Technical Specifications
Bike Parts
Weight
62 lbs without battery
70 lbs with battery
-
Frame
6061 Aluminum Frame / Fork
-
Motor
500W Brushless (750W Peak)
-
Display
Color LCD
-
Battery
48V
10.5AH(504WH)
18650 Samsung cell
-
Throttle
Star Union Right Thumb
-
Pedal Assist
5 level assist
-
Range
35-55 miles
-
Max Speed
20MPH
-
Brakes
180 mm Hydraulic disc brakes 2.8mm calipers
-
Brake Lever
XD-E610
-
Grips
Genuine Leather Grips
-
Saddle
265mm wide comfort saddle
-
Seatpost
350mm height x 27.2
-
Tires
Compass 20"x4" Fat Tire
-
Tubes
Emerald
-
Wheel
Integrated Magnesium Wheels
-
Derailleur
7-Speed Shimano TX50
-
Cassette
Shimano
-
Chain
KMC
-
Crankset
52T x 170mm
-
Bottom Bracket
Sealed Cartridge Bearing
-
Pedals
Wellgo F136 Folding Pedal
-
Front Light
DH004/48vL:300mm
-
Rear Light
DR006/48V
-
Lock
None
Electric Specs
Battery
Nominal Voltage: 48V
Nominal : 10.5Ah/14Ah
Weight (Approx.): 8.6 lb
Cell: Samsung 35E 18650
Dimension (L*W*H): 135*90*45mm
-
Motor
Motor parameters: 500W
Speed: 20-25 MPH
Motor Parameters: 48v500W/380R (max.478R)
Top Speed: 20 MPH
Maximum Torque: 52.91N.m
Noise Level: ≤ 55dB (measured at 1m axial)
Weight: 12.8lbs
Mounting Width: 175mm
Max. Diameter of Wheel: 420mm
Model: CZJB104Y16L175
-
Display
LCD
5 classes of display
-
PAS
Model: SM-07
Rated Voltage: 5V (DC)
Installation Direction: Left/Right
Color: Black
Corresponding Time When Brake: <0.001S
Corresponding Distance: 2.3mm
Hall Electrical Life: >20M times
Insulation Wet Condition: >20M ohm
Insulation Dry Condition: >2M ohm
-
Charger
Input: AC110-240V-2A
Model: KYLC109V55N
Output: DC54 2A
47-63Hz
13. 15A 250V
-
Throttle
Approvals: RRoHS
Size: L 60mm W 30mm H 47.5mm
Waterproof: IPX
Materials: PC/ABS
Wiring: Three Core Wiring
Power: Working Voltage 5V Output Voltage 0.8-4.2V
Recommendations
Recommended Rider Height
5'3" - 6'2"
-
Recommended Rider Weight
<300lbs
-
Recommended Handlebar Torque Value
Bolt for Handlebar
Bolt: M5
Standard Torque / N.M: 10-12 N.M
Bolt for Handlebar
Bolt: M4
Standard Torque / N.M: 4-6 N.M
Handlebar Stem
Bolt: M5
Standard Torque / N.M: 8-10 N.M
Handlebar Stem
Bolt: M6
Standard Torque / N.M: 10-12 N.M
-
Routine Maintenance
Weight
62 lbs without battery
70 lbs with battery
-
Frame
6061 Aluminum Frame / Fork
-
Motor
500W Brushless (750W Peak)
-
Display
Color LCD
-
Battery
48V
10.5AH(504WH)
18650 Samsung cell
-
Throttle
Star Union Right Thumb
-
Pedal Assist
5 level assist
-
Range
35-55 miles
-
Max Speed
20MPH
-
Brakes
180 mm Hydraulic disc brakes 2.8mm calipers
-
Brake Lever
XD-E610
-
Grips
Genuine Leather Grips
-
Saddle
265mm wide comfort saddle
-
Seatpost
350mm height x 27.2
-
Tires
Compass 20"x4" Fat Tire
-
Tubes
Emerald
-
Wheel
Integrated Magnesium Wheels
-
Derailleur
7-Speed Shimano TX50
-
Cassette
Shimano
-
Chain
KMC
-
Crankset
52T x 170mm
-
Bottom Bracket
Sealed Cartridge Bearing
-
Pedals
Wellgo F136 Folding Pedal
-
Front Light
DH004/48vL:300mm
-
Rear Light
DR006/48V
-
Lock
None
Battery
Nominal Voltage: 48V
Nominal : 10.5Ah/14Ah
Weight (Approx.): 8.6 lb
Cell: Samsung 35E 18650
Dimension (L*W*H): 135*90*45mm
-
Motor
Motor parameters: 500W
Speed: 20-25 MPH
Motor Parameters: 48v500W/380R (max.478R)
Top Speed: 20 MPH
Maximum Torque: 52.91N.m
Noise Level: ≤ 55dB (measured at 1m axial)
Weight: 12.8lbs
Mounting Width: 175mm
Max. Diameter of Wheel: 420mm
Model: CZJB104Y16L175
-
Display
LCD
5 classes of display
-
PAS
Model: SM-07
Rated Voltage: 5V (DC)
Installation Direction: Left/Right
Color: Black
Corresponding Time When Brake: <0.001S
Corresponding Distance: 2.3mm
Hall Electrical Life: >20M times
Insulation Wet Condition: >20M ohm
Insulation Dry Condition: >2M ohm
-
Charger
Input: AC110-240V-2A
Model: KYLC109V55N
Output: DC54 2A
47-63Hz
13. 15A 250V
-
Throttle
Approvals: RRoHS
Size: L 60mm W 30mm H 47.5mm
Waterproof: IPX
Materials: PC/ABS
Wiring: Three Core Wiring
Power: Working Voltage 5V Output Voltage 0.8-4.2V
Recommended Rider Height
5'3" - 6'2"
-
Recommended Rider Weight
<300lbs
-
Recommended Handlebar Torque Value
Bolt for Handlebar
Bolt: M5
Standard Torque / N.M: 10-12 N.M
Bolt for Handlebar
Bolt: M4
Standard Torque / N.M: 4-6 N.M
Handlebar Stem
Bolt: M5
Standard Torque / N.M: 8-10 N.M
Handlebar Stem
Bolt: M6
Standard Torque / N.M: 10-12 N.M
-
Routine Maintenance

Take the Road Less Traveled. More Often.
Are you an outdoor enthusiast looking for your next adventure? See how Emerald delivers an all-terrain, action-packed experience.
For Adventures
The Jolt Your Commute Needs
Are you a city dweller looking for a new commuting solution? See how Emerald delivers in safety, maneuverability, and speed.
For CommutesBlog posts
The Emerald Cut

Why Ebikes are the Perfect Fit for Your Delivery Service
Ebikes offer faster and more efficient delivery than bicycles or cars. Although they are more expensive than traditional bicycles, the benefits of increased business turnover and low maintenance co...

Electric Bike Bliss: Meet the Emerald Ebike
The market for electric bikes, or ebikes, has been expanding at a rapid pace, driven by the increasing demand for sustainable and efficient transportation. In recent times, Emerald has been making ...

Elevate Your Cycling Game with These Top Ebike Apps
We look at some of the top apps for ebike cyclists of all levels. From route planning to maintenance tips, these apps have you covered.

#EmeraldinAction
Send us your photos of #EmeraldinAction! Use our hashtag for a chance to be featured on the site and social media.