Chongqing Summit Yttrium Power Technology Co., Ltd.
                                                                                                           
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5 Years
Since 2021
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50cc Urban Light Street Bike 4 Speed Electric Start 83kg City Riding Entry Level Road Bike

Price Negotiable
Price: Price negotiable
MOQ: 10
Delivery Time: 8 Weeks
Brand: YIPOWER
Product Description
Urban Mobility Motorcycle
Overview

Discover the freedom of urban mobility with this 49.5cc 4-stroke single-cylinder motorcycle. Designed for efficiency and ease, the horizontal engine layout provides excellent stability and nimble handling through busy streets.

Engine & Transmission

The 4-speed non-circulating single automatic clutch system simplifies your ride—no manual clutch operation required, just smooth gear changes. Starting is hassle-free with both electric and kick start options, powered by a reliable 6-pole full-wave magneto.

Performance

Performance is optimized for city environments with 2.9kW max power at 9000±500 rpm and 3.2N.m peak torque at 7000±500 rpm. The 9.6:1 compression ratio maximizes fuel economy, stretching every drop from the generous 5.5L fuel tank—perfect for longer commutes between fill-ups.

Safety & Comfort

Safety features include front drum brakes paired with rear drum brakes, delivering consistent stopping power. The smooth hydraulic front forks and rear dual shock absorbers work together to absorb road imperfections, ensuring a comfortable ride on varied surfaces.

Wheels & Practicality

The bike rolls on durable spoked wheels fitted with 2.50-17 front and 2.75-17 rear tires, with optional aluminum wheel upgrades available. Practicality comes standard with a rear cargo rack and middle shelf, adding versatile carrying capacity for groceries, bags, or daily essentials.

Dimensions & Maneuverability

With compact dimensions of 1880mm x 600mm x 1020mm and a 1220mm wheelbase, this motorcycle slips through traffic and parks with ease. The 740mm seat height accommodates riders of all sizes, while the impressive 180mm ground clearance handles speed bumps and rough roads confidently.

Weight & Speed

Weighing just 83kg with a 150kg maximum load capacity, this lightweight machine is exceptionally manageable for new riders and experienced commuters alike. Top speed reaches 45km/h with a climbing ability of ≥27°, perfectly suited for urban gradients.

Simple, economical, and fun to ride—this 50cc motorcycle is your ideal partner for daily city adventures.

Technical Specifications
Item Specification
Number of Cylinders and Engine Angle Single-cylinder, horizontal, air-cooled
Engine Type Single Cylinder, Air Cooled
Bore x Stroke 39 * 41.4 mm
Displacement 49.5 cm³
Compression Ratio 9.6:1
Max Power 2.9 kW / 9000±500 rpm
Max Torque 3.2 Nm / 7000±500 rpm
Ignition Communication CDI
Starting System Foot / Electric start
Magneto 6-grade full wave AC
Gear and Clutch 4-speed, automatic separation, non-cyclic
Transmission Mode Chain drive
Gear Ratios 1st: 3.273; 2nd: 1.938; 3rd: 1.350; 4th: 1.182
Primary / Final Ratio 3.722 / 2.714
Front Suspension Smooth hydraulic fork
Rear Suspension Spring Shock Absorber
Front Brake Drum (Expandable Shoe)
Rear Brake Drum (Expandable Shoe)
Front Tire 2.50-17 (Ordinary) / Optional: Aluminum wheel
Rear Tire 2.75-17 (Ordinary) / Optional: Aluminum wheel
Front Wheel Spoked wheel / Optional: Aluminum wheel
Rear Wheel Spoked wheel / Optional: Aluminum wheel
Shelves Rear Shelf
Middle Shelf Available
Overall Length 1880 mm
Overall Width 600 mm
Overall Height 1020 mm
Wheelbase 1220 mm
Seat Height 740 mm
Min Ground Clearance 180 mm
Net Weight 83 kg
Max Load 150 kg
Max Speed 45 km/h
Climbing Ability ≥27°
Fuel Tank Capacity 5.5 L
Helmet Box Capacity Not available
Headlight 12V 35W
Taillight Combination LED, 12V 21W / 12V 10W
Front Indicators 12V 5W
Rear Indicators 12V 5W
License Plate Light 12V 5W
Battery 12V 5Ah, maintenance-free
Charger Not available

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Chongqing Summit Yttrium Power Technology Co., Ltd.
Location Building 4, No.2 Xiangyu Road, Shuangfengqiao Subdistrict, Liangjiang New Area, Chongqing
Contact Person Cui

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