Fiido C21 E-Gravel & City E-Bike – Lightweight Performance with Torque Sensor Precision
The Fiido C21 E-Gravel & City E-Bike is a lightweight electric bike designed for riders who want efficient performance across both urban roads and gravel paths. Combining a 250W rear hub motor, advanced torque-sensor pedal-assist, and a sleek aluminium frame, the C21 delivers smooth, natural assistance while maintaining the responsive feel of a traditional gravel bike.
With its slim design, integrated battery and reliable Shimano drivetrain, the C21 balances practicality with modern e-bike technology for everyday riding and longer leisure journeys.
⚡ Power & Performance
The efficient 250W rear hub motor provides smooth pedal assistance up to 25 km/h (15.5 mph). A built-in torque sensor measures pedalling force and adjusts motor output instantly, delivering a natural riding experience and improved efficiency.
🔋 Battery & Range
The C21 uses a lightweight 36V lithium battery integrated into the frame, offering an estimated range of up to 80 km per charge under ideal riding conditions.
Range Notice: Range figures are manufacturer estimates under ideal conditions and may vary depending on Terrain, rider weight, weather conditions and assistance level.
🛞 Tyres, Suspension & Ride Comfort
Narrow gravel-style tyres provide a balance between efficiency and traction, making the C21 suitable for paved roads, cycle routes and compact gravel paths. The rigid fork design helps keep weight low and pedalling efficient.
💡 Controls, Display & Lighting
A minimalistic display interface allows riders to view key riding information, including battery level and assist mode. Integrated lighting improves visibility for riding in low-light environments.
🛡️ Braking, Safety & Build Quality
The bike is equipped with hydraulic disc brakes to provide reliable stopping power in varying weather conditions. The lightweight aluminium alloy frame ensures durability while maintaining responsive handling.
🔐 Security & Smart Features
The Fiido C21 integrates smart control capabilities through the Fiido mobile app, allowing riders to monitor ride data and manage bike settings.
🔌 Charger & Power Specification
Charging time is typically 4–5 hours using the supplied charger.
📊 Technical Specifications
Motor
250W rear hub motor
Top Assisted Speed
25 km/h (15.5 mph)
Sensor
Torque sensor pedal assist
Battery
36V integrated lithium battery
Estimated Range
Up to approx. 80 km
Frame
Aluminium alloy
Tyres
700c gravel tyres
Brakes
Hydraulic disc brakes
Drivetrain
Shimano 9-speed
Charging Time
Approx. 4–5 hours
Weight
Approx. 17.5 kg
Max Load
Approx. 120 kg
✅ Why Buy From Electric Scooters London?
Electric Scooters London is a UK specialist retailer providing expert product advice, UK-based support and dependable after-sales service for electric bikes and e-mobility products.
