CMACEWHEEL Y20 Folding Electric Bike – 250W Rated / 950W Peak Motor, 48V 18Ah Battery, 80 km Range, 20" Fat Tire

CMACEWHEEL Y20 — Foldable Step-Through Fat-Tire Electric Bike

Go further, ride easier. The CMACEWHEEL Y20 is powered by an EU-compliant brushless rear motor featuring a 250W rated continuous output and a 950W peak power surge, paired with a high-capacity 48V 18Ah (864Wh) removable battery to deliver up to 80 km (50 mi) of pedal-assist range. In strict compliance with European road laws (EN 15194 / EPAC), the top speed is factory-limited to 25 km/h (15.5 mph) in pedal-assist mode with the twist throttle disabled. For riders located outside the European Union, the twist throttle can be activated and the top speed unlocked up to 42 km/h (26 mph). Built on a low step-through folding frame with puncture-resistant 20"×4.0" all-terrain fat tires and integrated mag wheels, it glides through city streets, park paths, gravel and snow with supreme comfort and confidence.

🔋 Long-Lasting, Removable Battery

• 48V 18Ah lithium battery · 864Wh · up to 80 km (50 mi) per charge (pedal assist) / 40–50 km (25–31 mi) pure electric (outside EU with throttle activated)
• Tool-free removable design — charge indoors safely or directly on the bike; full charge in ≈ 6–8 hours
• Smart BMS safety protection + over-current protection + key-lockable anti-theft battery

🚀 250W Rated / 950W Peak Power & Legal Compliance

• 250W Continuous Rated / 950W Peak Motor: Fully complies with EU road regulations with a 250W continuous rated output, while providing up to 950W peak power surge for strong climbing torque (up to 25°) and quick acceleration
• EU-Compliant Speed & Throttle Configuration: Factory-capped at 25 km/h (15.5 mph) in pedal-assist mode with the twist throttle disabled to strictly satisfy European street-legal requirements
• Outside-EU Unlock & Throttle Activation: For use strictly outside the European Union, the twist throttle function can be enabled and the maximum speed unlocked up to 42 km/h (26 mph)
• 5 pedal-assist levels with intuitive handlebar controls to easily tailor assist to your riding style

🛞 All-Terrain Fat Tires & Confident Control

• 20"×4.0" CHAOYANG puncture-resistant fat tires on sturdy, maintenance-free integrated mag wheels
• Responsive front and rear mechanical disc brakes for reliable stopping power in any weather
• Front fork suspension absorbs road bumps and vibration for a smoother, fatigue-free ride

📟 Smart Display & Integrated Lighting

• Smart LCD display: speed, battery level, trip distance and PAS mode at a glance
• High-luminance Kmark LED headlight + integrated taillight with brake indicator for night safety
• Intuitive handlebar control buttons for instant light switching, PAS adjustment and walk-assist

🚲 Foldable & Practical Step-Through Design

• Quick-folding low step-through aluminum alloy frame — easy to mount, dismount, and stow in car trunks, RVs or apartment corners
• Fully equipped for commuting: heavy-duty rear rack, full-coverage fenders and folding pedals
• IP54 water-resistant rating for reliable performance in daily conditions

📐 Specifications

Note: Range and speed are measured under ideal pedal-assist conditions; actual performance varies with rider weight, terrain, temperature, and assist level. The 250W continuous rated motor and 25 km/h factory speed limit strictly comply with European road standards (EN 15194 / EPAC). Within the EU, the twist throttle is disabled. Enabling the throttle and unlocking speed up to 42 km/h is exclusively permitted outside the European Union. Please adhere strictly to your local traffic regulations.

🚚 Shipping & Delivery

• Poland Warehouse: Fast delivery within 3–7 business days to EU countries. 
• China Warehouse: Direct factory dispatch with door-to-door tracked delivery within 15–45 business days.
• Dispatch: Orders are typically processed and shipped within 24–48 hours on business days.

🛡️ Warranty & After-Sales Support

• 1-Year Warranty: Covers motor, frame, controller, and charger against manufacturer defects.
• 6-Month Warranty: Dedicated coverage for the 48V 18Ah lithium battery.
• Customer Care: Lifetime technical support and replacement parts support for your peace of mind.

📦 What's in the Box?

• 1 × CMACEWHEEL Y20 Electric Bike (85% pre-assembled)
• 1 × 48V 18Ah Removable Lithium Battery (with 2 keys)
• 1 × Battery Charger & Power Cable
• 1 × Rear Luggage Rack
• 1 × Front and Rear Mudguards (Fenders)
• 1 × Multi-functional Assembly Toolkit
• 1 × User Manual & Quick Start Guide

❓ Frequently Asked Questions (FAQ)

Q: Is this electric bike street-legal in Europe?
A: Yes! The CMACEWHEEL Y20 is fully configured for European road compliance, featuring an EU-compliant 250W continuous rated motor, a factory speed cap of 25 km/h (15.5 mph) in pedal-assist mode, and a disabled twist throttle.

Q: Can the maximum speed be unlocked and can the throttle be activated?
A: Enabling the twist throttle and unlocking speed up to 42 km/h (26 mph) is strictly permitted and intended ONLY for riders and destinations outside the European Union. Within the EU, the throttle remains disabled and the speed remains capped at 25 km/h to strictly comply with European road regulations.

Q: What is the difference between rated power and peak power?
A: The motor provides a continuous rated output of 250W to meet EU street-legal requirements, while delivering a peak power surge of up to 950W when extra torque is required for steep climbs (up to 25°) and brisk acceleration.

Q: Can the battery be taken indoors to charge?
A: Yes! The battery is key-lockable and completely removable without tools. You can charge it directly on the bike or bring it indoors to charge safely.

Q: Can I ride this electric bike in the rain?
A: The bike has an IP54 water resistance rating, making it safe for light rain and wet road splashes. We recommend avoiding heavy downpours and deep standing water.

Q: How difficult is the assembly?
A: The bike arrives 85% pre-assembled. All you need to do is unfold the frame, attach the handlebars, pedals, and check tire pressure. The included tool kit has everything needed.

Q: Need help before you buy?
A: Our support team is happy to help — just reach out through our store's contact page.