CMACEWHEEL RX20 Folding Electric Bike – 250W Rated / 750W Peak Motor, 48V 17Ah Battery, 70 km Range, 20" Fat Tire (Gray)

CMACEWHEEL RX20 — Foldable Step-Through Fat-Tire Electric Bike

Meet the CMACEWHEEL RX20, a premium folding fat-tire electric bike engineered for city commutes, weekend getaways, and rugged outdoor adventures. Powered by an EU-compliant brushless rear motor featuring a 250W rated continuous output and a 750W peak power surge (85 N.m torque), it pairs with a high-capacity removable 48V 17Ah (816Wh) battery to deliver up to 70 km (43 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 folding frame with 20"×4.0" all-terrain fat tires, dual hydraulic suspension, and responsive hydraulic disc brakes, every ride feels smooth, stable, and completely controlled.

🔋 Long-Lasting, Removable Battery

• 48V 17Ah lithium battery · 816Wh · up to 70 km (43 mi) per charge (pedal assist) / 35–45 km pure electric (outside EU with throttle activated)
• Lockable, fast-detachable pack — charge indoors safely or directly on the bike; full charge in ≈ 7–8 hours
• Smart BMS safety protection + over-current protection + built-in anti-theft battery lock

🚀 250W Rated / 750W Peak Power & Legal Compliance

• 250W Continuous Rated / 750W Peak Motor: Fully complies with EU road regulations with a 250W continuous rated output, while providing up to 750W peak power surge for confident climbs (up to 30°) and swift 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 & Dual Suspension Comfort

• 20"×4.0" all-terrain fat tires on sturdy integrated mag wheels — ready for snow, sand, gravel, and city streets
• Front & rear hydraulic disc brakes delivering exceptional stopping power and control in all weather conditions
• Full suspension system: 100 mm-travel front fork plus rear hydraulic shock with rebound and lockout

📟 Smart Display & Integrated Lighting

• Smart LCD display: real-time speed, battery level, trip distance, and PAS mode at a glance
• LED headlight, taillight with brake light & turn indicators, plus a built-in horn
• Shimano 7-speed drivetrain for smooth and precise gear transitions

🚲 Foldable & Practical Step-Through Design

• Quick-folding aluminum alloy frame — folds in seconds to fit conveniently into car trunks, RVs, or apartment storage
• Fully equipped for commuting: heavy-duty rear rack, full-coverage fenders, kickstand, and folding pedals
• Carries up to 150 kg (330 lbs) — comfortably accommodates riders from 157–196 cm (5'2"–6'5")
• IP54 water-resistant rating for reliable daily riding

📐 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 17Ah lithium battery.
• Customer Care: Lifetime technical support and replacement parts support for your peace of mind.

📦 What's in the Box?

• 1 × CMACEWHEEL RX20 Folding Electric Bike
• 1 × 48V 17Ah Removable Lithium Battery (with keys)
• 1 × Battery Charger & Power Cable
• 1 × Rear Luggage Rack, Front & Rear Fenders, Kickstand
• 1 × Multi-functional Assembly Toolkit & User Manual

❓ Frequently Asked Questions (FAQ)

Q: Is this electric bike street-legal in Europe?
A: Yes! The CMACEWHEEL RX20 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 750W when extra torque is required for steep climbs (up to 30°) and rapid 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: Need help before you buy?
A: Our support team is happy to help — just reach out through our store's contact page.