Electric EZ-3 USX HD
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The Electric EZ-3 USX HD provides stability and comfort of a recumbent trike while offering more thrills. This HD (heavy-duty) electric trike comes with 110 psi tires, 48-spoke wheels, and a 400 lbs load capacity. The heavy-duty direct-drive motor is designed for heavier applications with 1000 watts of power.
Ideal for larger riders, the EZ-3 USX HD has a powerful braking system, mid-frame suspension, cambered rear wheels, and under-the-seat steering. Available with multiple battery options, optional rear fenders, and a basket.
Highlights
- Low Center of Gravity
- Stable Cambered Rear Wheels
- Heavy-Duty 48-Spoke Rear Wheels
- Double-Wall Rims
- Rated for Riders up to 400 Lbs
- Extra Padded Mesh Seat
- Mid-Frame Suspension
- 20" x 1.9" Tires
- Quick-Release Adjustable Seat and Backrest
- Dual Rear Disc and a Front V-Brake
Videos
Reviews
Features
The EZ-3 USX HD provides stability and control in recumbent trike technology while offering a little more thrill. The HD (heavy-duty) trike has 110 psi tires, 48-spoke wheels with double-wall rims. The heavy-duty direct-drive motor is made for heavier loads and 1,000 watts of peak power.
The mid-frame coil-over suspension on the electric EZ-3 USX HD helps smooth the roughest roads and keeps you riding when other trikes would give up.
With 48-spoke double-wall alloy rims, high-pressure tires, dual rear disc brakes, and a front v-brake. The electric EZ-3 USX HD can handle 400 lbs, including rider and cargo, and is balanced with its low center of gravity.
How to Measure Your X-Seam
At Electric Trike Store, we like to use the X-Seam measurement to fit riders on recumbent trikes, and inseam to fit riders on upright trikes (like the Sun Traditional).
We use this measurement to adjust your trike to fit you out of the box, but it's simple to adjust your trike later to suit your preferences. This is just a rough measurement to make things easier for you.
Alternatively, if you like reading and diagrams...
To measure your X-seam, you'll need a tape measure, a sturdy board (like a piece of plywood or an ironing board), and an assistant to help you. If you currently ride a recumbent bike, you can use that to take the measurement instead of the board.
Sizing
-
A: Handlebar Reach
9" -
B: Standover Height
19" -
C: Seat Length to Pedal
27"-33" -
D: Seat Height to Ground
20" -
Recommended Rider Height
5'-6'4"
Shipping
$250 Flat-Rate Shipping
The Contiguous USA Only.
Sales Tax
Sales tax will be applied to AR, GA, IN, IA, KS, KY, MI, MN, NE, NV, NJ, NC, ND, OH, OK, PA, RI, SD, TN, UT, VT, WA, WV, WI, and WY.
SHIPS 100% FULLY ASSEMBLED from Our Warehouse in Bucks County, PA
The bike is enclosed in a heavy cardboard box, protected by a wood frame, and fastened to a custom-built shipping pallet. Shipping is by freight truck with liftgate service included.
We use a variety of freight carriers based on your shipping destination. When the trike ships you will receive an email from us with tracking information. The freight company will contact you before the final delivery is made in order to arrange the drop-off with you.
Delivery Time
East Coast: 2-4 Business Days
Midwest: 3-5 Business Days
West Coast: 5-7 Business Days
With liftgate service, the truck can only lower the pallet to the ground, they cannot deliver it inside your house. You will need to open the box and dispose of the pallet afterward.
Shipping Size
73" x 40" x 51" / 190 lbs
Please note this custom electric trike ships with the E-BikeKit owners manual for details on the electric-drive system and also with the Sun official manual for the trike itself. The video section above contains assembly instructions and tips for getting started and using your new electric trike. The specifications sections should also provide most of the information you'll want to know. If you have any questions, suggestions, or additional information that you would like to see posted, please let us know.
If you have any questions, please contact us at
Tel: +1 800.375.0224 or
E-mail: support@electrictrike.com
Specs
-
Top Speed
18 Mph (w/ a Programmable Limit) -
Range
10-44 Miles (Depends on the Battery Choice) -
Motor
E-BikeKit Front Heavy-Duty Direct-Drive 500-720 Watts, 31Nm, 259 Rpm (48v) -
Motor Weight
9.4 lbs -
Battery
48v 9Ah, 48v 10Ah, or 48v 20Ah -
Max Payload
400 lbs (Including Rider and Cargo) -
Charge Time
4.5-5 Hours (From 0-100%) -
Charger
48v 2A – 48v 4A -
Color
Ultra Silver -
Intended Use
Neighborhood, Cruising, Paved Path, and Urban -
Drive Mode
Throttle-on-Demand and Pedal-Assist, 5-Level Speed Control, Programmable Speed, Current Limit, and Assist Level -
Frame Material
Custom Steel, TIG Welded -
Fork Details
High-Tensile Steel, KSPEED 261 Mid-Frame Bumper Suspension -
Rims
(F & R) Alloy 48-hole Double-Wall -
Spokes
(F) 12 Gauge, Stainless Steel / (R) 14 Gauge, Stainless Steel -
Tires
Maxxis Hookworm, 20” x 1.95” at 85-110 psi. (Ships at 90 psi) -
Seatpost
Rans Style Seat Slide -
Saddle
Sunlite Heavy-Duty Padded Seat w/ Mesh Back and Adjustable Backrest Angle -
Brakes
(F) ProMax V-brake / (R) WinZip Mechanical Disc Brakes w/ 160mm Rotor -
Brake Lever
Includes E-brake Shutoff and Parking Lock for Front-Wheel and One Dual-Pull Lever for both Rear Wheels
-
Stem
Alloy -
Handlebars
Steel, Reverse Mounted Underneath Seat -
Grips
EBT Grips – EVA Rubber -
Shifter
SRAM Grip Shift 3.0 -
Display
E-BikeKit 2017 LCD -
Front Derailleur
Shimano -
Rear Derailleur
Sram X3 -
Chain Guard
None -
Gearing
Shimano 21-Speed (3x7) / 13-28t Cassette -
Cranks
Alloy 170mm w/ 30, 42, and 52t Chainrings -
Pedals
Wellgo, LU-812, Alloy Cage Style w/ 9/16” Thread -
Lights
None -
Fenders
Optional: Front and Rear Set, Black High Impact Plastic w/ a Glossy Finish -
Basket
Optional: Steel, Black Vinyl Coated: 16.25" Long x 13.25" Wide x 8.5" Deep -
X-Seam Range
29”-49” (Smaller Sizes May Require Modification) -
Wheelbase
59.5” -
Ground Clearance
3” (From the Bottom of the Rear Derailleur to the Ground) -
Turning Radius
10'3-1/2" approx. -
Overall Weight
61-71 lbs (Depends on the Battery Choice)
Battery
| Model | Weight | Range | Mount Style | Cost |
|---|---|---|---|---|
| 48v 9Ah | 5.8 lbs | 10-22 | Battery Bag with velcro straps | Base Cost |
| 48v 10Ah | 9.7 lbs | 12-26 | Sliding Plate with Lock | +$286 |
| 48v 20Ah | 14 lbs | 20-44 | Battery Bag with velcro straps | +$366 |
-
Nominal Voltage
48v -
Nominal Capacity
9-20Ah (Depends on the Battery Choice) -
Battery Energy
490-1092Wh (Depends on the Battery Choice) -
Dimensions
Depends on the Battery Choice -
Total Weight
Depends on the Battery Choice -
Cell Assembly
18650-3.6v-13S -
Life Cycles
> = 80% Dod = 500 Cycles -
Max Continuous Discharge
22.5A -
BMS Protection Current
30A -
Discharge Cut-Off Voltage
37.5v
-
Max Charge Voltage
54.6v -
Inner Resistance
< = 50mΩ -
Charge Time
< = 3.3 Hours (From 0-100%) -
Operation Temperature Range
Charge: 0°C – 45°C / Discharge: -20°C – 60°C -
Storage Temperature
0°C – 40°C (Extended Storage: 15°C – 25°C;) -
Battery Box Material
Aluminum or Vinyl w/ Canvas Bag (Depends on the Battery Choice) -
Assembled Pack Certificates
UL; UN38.3; MSDS; RoHS; SGS -
Limited Warranty
1 Year -
Manufacturer
Electric Bike Technologies, Inc.
DIY
If you already have a Sun Seeker EZ-3 HD and want to convert it to electric, we offer conversion kits at E-BikeKit.com, including kits specifically for the EZ-3 HD:
Conversion Points:
- Use the "Sun Seeker EZ-3 HD" e-bike conversion kit from E-BikeKit.