Fiido - 🥳Many fans told us that D11 needs torque sensor, so D21 is coming. Torque sensor helps keep the e-bike optimized yet still allow rider to decide how much power do
![EU Stock FIIDO D21 Folding Electric Bicycle With Torque Sensor 20" Tires 250W Motor 36V 11.6AH Battery Ebike - AliExpress EU Stock FIIDO D21 Folding Electric Bicycle With Torque Sensor 20" Tires 250W Motor 36V 11.6AH Battery Ebike - AliExpress](https://ae01.alicdn.com/kf/S2454ae475aa3496cb99391b436d17c1e0.jpg_640x640Q90.jpg_.webp)
EU Stock FIIDO D21 Folding Electric Bicycle With Torque Sensor 20" Tires 250W Motor 36V 11.6AH Battery Ebike - AliExpress
![EU Stock FIIDO D21 Folding Electric Bicycle With Torque Sensor 20" Tires 250W Motor 36V 11.6AH Battery Ebike - AliExpress EU Stock FIIDO D21 Folding Electric Bicycle With Torque Sensor 20" Tires 250W Motor 36V 11.6AH Battery Ebike - AliExpress](https://ae01.alicdn.com/kf/Se9e72dbdf0494ea68cb564d6744b4cd4G.jpg_640x640Q90.jpg_.webp)