Qualisports
Qualisports Dolphin STD/Plus - Lightweight Folding E-Bike – Top Speed 20mph - 350W
Qualisports Dolphin STD/Plus - Lightweight Folding E-Bike – Top Speed 20mph - 350W
- Regular price
- Price: $1,499.00
- Regular price
- List Price: $1,599.00
- Sale price
- Price: $1,499.00
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Disclaimer: Always consult with your local Motor Vehicle Department to ensure compliance with all applicable local, state, and federal laws regarding the use of e-bikes, mobility and recreational scooters. Please note that this information is for general purposes only and not legal advice. Read about the latest 2025 E-bike and Mobility Regulations here.

Qualisports Dolphin STD/Plus
Lightweight Folding E-Bike with Hub Motor - Top Speed 20mph - 350W
Comfort-Focused, Lightweight Cruiser
The Qualisports Dolphin is a compact folding electric bike powered by a 350W high-speed geared mid motor. Designed for portability, it folds down easily for storage or transport. Built with a strong yet lightweight aluminum frame, it supports riders up to 220 lbs. The custom brushless motor delivers 40 N·m of torque while weighing just 2.2 kg—enough power to climb hills with up to 18° of incline. With 20-inch wheels and a top speed of 20 mph, the Dolphin is ideal for efficient, comfortable rides around town or on the go.

350 W
MOTOR POWER

20 MPH
TOP SPEED

36V 14Ah
BATTERY

62.5 Miles w/ Pedal Assist
RIDING RANGE

300 LBS
PAYLOAD CAPACITY

5’0” - 6’2”
RIDER HEIGHT

LONG RANGE
The Dolphin eBike delivers an impressive range of 60 to 80+ miles with its optional dual battery system—ideal for riders who love longer commutes, scenic rides, or all-day exploring. Whether you're heading out for a weekend adventure or simply want the freedom to ride without frequent charging, the Dolphin keeps you moving with confidence and ease.
RV-FRIENDLY PORTABILITY
Designed with compact folding and lightweight convenience, the Dolphin is a perfect match for RV life and travel on the go. Its folding frame allows for easy storage in tight spaces—like RV compartments or car trunks—while still offering a sturdy ride. Whether you're exploring campgrounds, nearby towns, or city streets, the Dolphin makes daily mobility simple, efficient, and ready whenever you are.

Feature Highlights

SHIMANO 7-SPEED
Tackle a variety of terrains with ease using the reliable Shimano 7-speed gear system, designed for smooth shifting and versatile riding control.

HYDRAULIC DISC BRAKES
Enjoy precise and responsive stopping power with hydraulic disc brakes—ideal for riding in wet conditions, on steep slopes, or at higher speeds.

DUAL-BATTERY SYSTEM
This smart setup offers extended power and flexibility, giving you confidence on long-distance rides, multi-day adventures, or heavy-duty commutes without range anxiety.

SGS CERTIFIED
Qualisports e-bikes meet ANSI/CAN/UL2849 standards and are SGS certified for safety and durability—so you can ride knowing your e-bike is built to last.

MULTIFUNCTIONAL DISPLAY
Stay informed with a clear LCD screen showing speed, distance, and PAS level, plus a built-in USB port to keep your devices charged while you ride.

VELO SADDLE
Designed for everyday comfort, the Velo saddle provides ergonomic support for longer rides and is built with quality materials for lasting use.

DERAILLEUR GUARD
Protect your drivetrain with an integrated derailleur guard that helps extend the life of your shifting system and keeps components safe from bumps and impacts.
SPECIFICATIONS
Specification | Details |
---|---|
Size | 63 × 23.6 × 44.5 inch |
Folding Size | 33 × 14.5 × 28.5 inch |
Tire | 20 × 2.3'' |
Frame | 6061 Al-alloy mid-step folding |
Braking Handle | Hydraulic disc brake |
Gear | Shimano 7-speed |
Fork | Rigid |
Max. Load | 300 lbs |
Weight | 51.5 / 55.8 lbs (with battery) |
Free Accessories | Front & Rear fenders, Front and Rear light |
Assist Type | Cadence 12-magnet |
Display | LCD-7 with USB port |
Battery | Seat post: Samsung 48V 10.5Ah Frame (dual): Samsung 48V 7Ah |
Motor | 500W (750W peak) rated geared hub motor |
Motor Torque | 60 N·m |
Max. Speed | 20 mph |
Charger | 54V 3A fast charger |
PAS Range | 60–80 miles (PAS) |
Charging Time | 4–6 hours |

Measurement | Value |
---|---|
Reach | 19.09'' |
Wheelbase | 41.73'' |
Handlebar Length | 23.62'' |
Max. Handlebar Height | 44.48'' |
Min. Handlebar Height | 39.76'' |
Max. Seat Height | 39.76'' |
Min. Seat Height | 32.48'' |
Standover Height | 22.83'' |
Recommended Height | 5'2'' – 6'2'' |
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