E350-B1 Electric Trike
E350-B1 Electric Trike
E350-B1 Electric Trike
E350-B1 Electric Trike
E350-B1 Electric Trike
E350-B1 Electric Trike
E350-B1 Electric Trike
E350-B1 Electric Trike
E350-B1 Electric Trike
E350-B1 Electric Trike
E350-B1 Electric Trike

E350-B1 Electric Trike

671396

Regular price$2,599.99
/
Manufacturer's Suggested Retail Price excludes shipping costs, assembly, and taxes.

Color
Size

The second-generation Sun E350 Electric Trike brings enhanced comfort, control, and power to every ride. Upgraded with a 48V system, color display, and expandable battery mount, it’s designed for longer, more leisurely rides. The low-step frame, upright handlebars, and wide saddle provide a relaxed, natural riding position, while pedal-assist and throttle modes make every trip effortless. Tested to UL 2849 and UL 2271 standards, the E350 is a reliable, rider-focused solution for everyday electric mobility.

  • ACT Lab tested to UL 2849 & UL 2271 standards
  • 48V / 350W front hub motor with Class 2 pedal-assist and throttle (up to 10 mph)
  • 48V / 10.5Ah lithium-ion battery delivers up to 35 miles of range
  • Custom oversized high-tensile steel low-step frame
  • Single-speed drivetrain with integrated bottom bracket cadence sensor
  • Front linear-pull and rear mechanical disc brakes with inline power cut off sensors & integrated parking locks
  • High-rise handlebar with foam grips for a relaxed, upright riding position
  • Wide-profile saddle with heavy-duty steel base for lasting comfort
  • Includes steel chain guard, nickel-plated front fender, and a vinyl-coated steel rear basket
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Details

Product Specifications

E-System

Front Wheel Motor
Bafang 48V / 350W front hub motor – 45 N·m max torque
Pedal Assist Sensor
Bafang bottom bracket integrated cadence sensor
Brake Sensor
Inline motor cutoff sensors for front and rear brakes
Display
Bafang color display with Bluetooth and USB-C charging port for accessories
Throttle
Removable thumb throttle
Battery
Bafang 48V / 10.5Ah (504 watt hours) li-ion battery
Charger
Bafang 2 amp smart charger (5–6 hours to fully charge from empty)
Speed
10 mph maximum motor-assisted speed (Class 2)
Range
Up to 35 Miles – Range varies based on rider weight, terrain, wind, and motor use. Expect around 15–20 miles using throttle only, 20–30 miles with mixed throttle and pedal assist, and up to 35 miles on pedal assist alone under ideal conditions
Compliance
ACT Lab tested to UL 2849 & UL 2271 standards

Frameset

Frame
High-tensile steel, TIG-welded
Frame Rear Unit
High-tensile steel, TIG-welded, disc and der compatible
Fork
1-1/8’’ high-tensile steel, curved tapered legs, double eyelets

Drivetrain

Crank Set
3-piece alloy with integrated chainring, 165mm
Chainwheel
Steel, 36T x 1/2'' x 1/8''
Bottom Bracket
Bafang cadence sensor sealed cartridge
Bottom Bracket Spindle
68 x 127mm square taper
Freewheel
20T x 1/2" x 1/8"
Chain
1/2" x 1/8", 130 links
Pedals
Plastic platform with slip resistant tread

Brakes

Front Brake
Alloy, linear pull
Rear Brake
Promax DSK-300 mechanical disc, 160mm rotor
Front Brake Lever
Alloy, linear pull with 3-finger lever and parking lock
Rear Brake Lever
Alloy, linear pull with 3-finger lever and parking lock

Components

Handlebar
Steel, 28” wide × 9” rise × 25.4mm clamp
Stem
Alloy with steel quill, 25.4mm, 200mm quill × 60mm ext
Headset
Steel, caged bearings, 25.4 × 34 × 30mm
Grips
Foam
Saddle
Deluxe cruiser, double coil spring suspension
Seat Post
Steel 28.6mm, 12"
Seat Clamp / Binder Bolt
Integrated bolt/nut type

Wheels

Front Wheel
24” × 1.75” × 36H × 13G alloy trike with 48V / 350W hub motor
Rear Wheel
24” × 1.75” × 36H × 14G alloy trike, bolt-on
Front Hub
Bafang G020 48V / 350W gear driver motor, 36H × 13G
Rear Hub
Steel, large flange, with cartridge bearings
Spokes
13/14G stainless steel with brass nipples (13G FND-179 / FD-181 / 14G D/ND-232 / N-14mm)
Rims
24" x 36H x 14G, alloy
Tires
24" x 1.75, black wall
Tubes
24" x 1.75", Schrader valve

Included Extras

Chain Guard
Steel, painted
Basket
Heavy-duty steel, vinyl coated, 21” long × 15” wide × 9” high (WARNING: Never put a child, pet, or passenger in basket)
Front Fender
Steel, full wrap, single strut, nickel plated steel
Owners Manual
Sun Bicycles e-bike owner’s manual
Battery Safety Manual
Sun Bicycles e-bike battery safety manual
Assembly & User Guide
Sun Bicycles E350 assembly and user guide

Suggested Add-Ons

Drivetrain Upgrade
7-speed conversion kit
Second Battery Mount
Battery mount w/o controller
Second Battery
Bafang 48V / 10.5Ah (504 watt hours) li-ion battery

Weight

Trike Weight
73 lb
Rider Weight Limit
250 lb
Basket Weight Limit
50 Lbs. (Not designed for child, pet, or any passenger)
Recommended Fit
5'0" to 6'2"

Notes

Pricing & Specifications
We reserve the right to modify this product’s specifications, colors, and materials without prior notice. Additionally, retail prices may vary from the Manufacturer's Suggested Retail Price (MSRP), which does not include shipping, assembly, or taxes.

Bike Geometry

Bike Geometry Diagram
Measurement Ref 18"
Seat Tube, Center To Top A 18"
Top Tube, Effective B 26.5"
Head Tube C 5.5"
Seat Tube Angle D 70°
Head Tube Angle E 70°
Chainstay F 23.5"
Wheelbase G 49.2"
Bottom Bracket Drop H 2.4"
Bottom Bracket To Ground H1 9.3"
Fork Offset I 1.8"
Stack L 20.8"
Step-Thru / Standover N 13.5"
Minimum Step Through O 13.5"
Minimum Saddle To Ground 27.5"
Minimum Saddle To Pedal, Trike 26.0"
Maximum Saddle To Pedal, Trike 33.0"
Suggested Rider Height 5'0" - 6'2"
Overall Length, Trike U 72"
Overall Height, Trike W 46"
Overall Width, Trike V 30.3"
Wheel Size 24"
Crank Length 165mm
Stem Length 60mm
Handlebar Width 28" Wide / 9" Rise

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