Name: E350-B1 Electric Trike
Brand: Sun Bicycles
SKU: 671396
Price: 2499.99 USD
Availability: InStock

$2,499.99

Manufacturer's Suggested Retail Price excludes shipping costs, assembly, and taxes.

Color — Riviera Blue

Blue

Size

18"

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

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 top speed
Range	Up to 35 miles (range varies with weight, terrain, wind, pedaling, and throttle use)
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
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.

Frame Size		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