Product Features
Top Speed:
25km/hr
25km/hr
Max Range:
100km
100km
Charge Time:
3hrs
3hrs
Weight:
17.5kg
17.5kg
Max Weight:
120kg
120kg
Braking:
Front and Rear Hydraulic brakes
Front and Rear Hydraulic brakes
The Fiido C21 E-Gravel & City Electric Bike is the perfect choice for riders looking for a lightweight electric bike that combines urban commuting performance with gravel-ready versatility. Designed for modern city riders and weekend explorers alike, the C21 blends sleek minimalist styling with powerful electric pedal assistance to create one of the most exciting commuter e-bikes in the UK. Whether you’re riding through busy streets, cruising cycle paths or tackling light gravel routes, this stylish gravel and city electric bike delivers a smooth, responsive ride that makes every journey easier and far more fun. With a lightweight frame, advanced torque sensor motor and premium components, the Fiido C21 is built to help you ride further, climb hills effortlessly and enjoy every mile.
Delivery expected Mid June 2026

You get a 1 year warranty on all major bike components, supported by our fully-equipped national service centres. See full warranty details.
Model Name |
C21 |
Model Code |
C21 |
Net Weight |
17.5 kg |
Payload |
120 kg |
Frame |
700C aluminium alloy integrated battery urban gravel frame |
Fork |
Aluminium alloy thru-axle fork (thru-axle diameter 15mm) |
Headset |
Aluminum alloy bearing headset |
Drive Unit |
Mivice M080 250W |
Battery |
DMEGC 208.8Wh |
Charger |
36V2A |
Display |
LCD 2.4 inch |
Rear Derailleur |
L-TWOO RD-5009-M |
Shifters |
L-TWOO SL-5009-9S |
Chain |
KMC X9 |
Crank |
Aluminium alloy 52T |
Rear Cogs |
L-TWOO 9S (11-32T) |
Sensor |
Torque Sensor Mivice S200 |
Brakes |
TEKTRO HD-M275 Hydraulic Disc Brake |
Brake Levers |
TEKTRO HD-M275 |
Front Hub |
Aluminium alloy double-bearing barrel axle hub (barrel axle diameter 15mm) |
Rims |
Aluminum alloy double-layer rim |
Spokes |
Stainless steel spokes with brass nipples |
Tyres |
CST/KENDA 27.6*1.57 |
Handlebar |
Aluminium alloy (Length: 640mm; Max Ø: 31.8mm; Min Ø: 22.2mm) |
Stem |
Aluminum alloy stem |
Grips |
TPR non-slip handle grip (Length: about 130mm) |
Saddle |
VELO vacuum full-fit saddle |
Seatpost |
Aluminium alloy clamp head seatpost (M: 300mm; L: 350mm; Ø: 30.9mm) |
Mileage Range |
ECO Range: 100.00 km Normal Range: 58.74 km Sport Range: 50.57 km Turbo Range: 44.55 km Turbo+ Range: 34.51 km |

One of the biggest advantages of the Fiido C21 electric bike is its lightweight and minimalist frame design. At just 17.5kg, it’s significantly lighter than many traditional electric bikes, making it easier to handle, store and carry when needed. This makes the C21 a fantastic option for riders searching for a lightweight commuter electric bike in the UK that still delivers strong performance and impressive range. The integrated battery keeps the frame clean and balanced while helping maintain responsive handling whether you’re riding through busy city streets or cruising along longer cycle routes.

Powering the Fiido C21 is a high-quality 250W Mivice rear hub motor paired with advanced torque sensor technology. Unlike basic cadence sensors used on many entry-level e-bikes, the torque sensor measures how hard you pedal and adjusts motor assistance instantly. This creates a far more natural riding experience, giving you smooth acceleration when pulling away from traffic lights and extra support when climbing hills. The result is a responsive and efficient electric commuter bike that feels closer to riding a traditional bike — just with the added boost that helps you ride further and arrive feeling fresher.

The Fiido C21 is built to go the distance. Its integrated battery system can deliver up to 100km of assisted riding, depending on terrain, rider weight and assistance level. This makes it ideal for riders who want a long-range electric bike for commuting, fitness rides or longer weekend adventures. With a fast recharge time of around three hours, the battery can be quickly topped up so you’re always ready for your next ride. For commuters, this means fewer charging stops and more time enjoying the ride.
The C21 is designed as a true gravel and city electric bike, giving riders the freedom to explore beyond standard road cycling. Large 700C wheels with durable multi-terrain tyres provide excellent rolling speed on tarmac while still maintaining grip and stability on gravel paths and canal trails. A reliable 9-speed drivetrain allows riders to tackle hills comfortably and maintain speed on longer rides, while TEKTRO hydraulic disc brakes provide powerful stopping performance in all weather conditions. This combination of components makes the Fiido C21 one of the most versatile urban commuter electric bikes available today.
The Fiido C21 stands out as a modern electric bike designed for real-world riding. Instead of bulky frames and heavy batteries, it focuses on lightweight efficiency, clean design and smooth pedal assistance. Riders looking for a stylish commuter e-bike, a lightweight electric gravel bike, or a reliable daily urban electric bike will find the C21 offers the perfect balance of performance, range and comfort.
Whether you’re commuting to work, riding for fitness or simply enjoying the freedom of exploring new routes, the Fiido C21 makes every ride easier, faster and more fun.
The Fiido C21 provides pedal assistance up to 25km/h, which complies with UK electric bike regulations for road-legal e-bikes.
The Fiido C21 can deliver up to around 100km of range depending on rider weight, terrain and pedal assistance level.
Yes. Its lightweight design, responsive motor and efficient wheels make it an excellent electric commuter bike for daily city riding.
Yes. The C21 is designed as a gravel and city e-bike, making it suitable for light trails, canal paths, cycle routes and urban roads.
Ride + Glide Verdict: Why We Love the Fiido C21
The Fiido C21 is one of the most exciting lightweight commuter e-bikes we’ve tested. It feels fast, responsive and incredibly natural to ride thanks to its torque sensor motor and balanced geometry. For riders looking for a stylish electric bike that can handle both city commuting and weekend gravel rides, the C21 delivers exceptional performance for the price.