The Aairsk adult electric bicycle is engineered for riders from 16 to 60 years old, ideal for daily urban commuting, fitness exercise and casual weekend outdoor trips. Powered by high‑performance peak 748W brushless motor, this e‑bike outputs ample torque to tackle slopes up to 20 degree, achieving maximum speed up to 20MPH, bringing effortless riding experience on city roads and gentle hilly terrain. Equipped with detachable 36V 10.4AH lithium‑ion battery pack. It delivers 13‑15 miles riding range under pure throttle mode, and extends to 20‑40 miles under pedal‑assist mode. The whole electrical assembly including battery, BMS, motor, controller and wiring harness meets UL2846 safety certification requirements. Multiple built‑in safety protections cover over‑temperature, over‑voltage, over‑charge and short‑circuit prevention to secure battery service life and user safety. This electric bike provides three flexible working modes for diverse scenarios. You can ride it as a regular bicycle in bicycle mode for physical exercise; select from 5‑level pedal assist mode to get motor‑aided power; or use throttle mode for full‑electric riding. Paired with professional Shimano 7‑speed derailleur, you can shift gears smoothly to adapt variable road conditions. Front‑rear disc brake system provides steady and fast braking response for reliable stopping power, effectively lowering risk during daily commuting. Thoughtful structure design makes operation simple for new and experienced riders alike. Perfect for city commuters, recreational cyclists and short‑trip enthusiasts.

• Peak 748W Powerful Brushless Motor & 20MPH Max Speed: This adult electric bike features peak 748W brushless hub motor, delivering strong torque to conquer 20° gradeability. Reaches top speed of 20MPH, suitable for riders aged 16‑60 for daily commuting and leisure outdoor riding.
• 36V 10.4AH Detachable Lithium‑ion Battery with Multi‑Protection: Removable built‑in lithium battery provides 13‑15 miles range under pure throttle mode and 20‑40 miles in pedal‑assist mode. Equipped with over‑temp, over‑voltage and over‑charge protection. Full electrical system complies with UL2846 safety standard for North‑America market.
• 3 Riding Modes & Shimano 7‑Speed Derailleur: Supports Bicycle Mode, 5‑level Pedal Assist Mode and Throttle Mode. Matched with Shimano 7‑speed gears for smooth shifting, easily adapt urban pavement, gravel roads and different riding demands for commute, fitness and sightseeing.
• Dual Disc Brake & Reliable Riding Safety: Front and rear disc brake system offers stable responsive stopping performance. Designed for daily urban travel, giving you reliable safety guarantee during high‑speed riding and downhill sections.
• User‑Friendly Design for Daily Travel: Intuitive control layout for easy operation. Built‑in multi‑safety protection for battery prevents overheating, overcharge and short‑circuit. Great choice for city commuting, weekend leisure trips and short‑distance outdoor adventures.