• Electric bicycle Fiido C21 – front three-quarter view, dark grey
  • Electric bicycle Fiido C21 – side view, dark grey colour variant
  • Electric bicycle Fiido C21 – side view with rear rack and bag
  • Electric bicycle Fiido C21 – top rear three-quarter view
  • Electric bicycle Fiido C21 – woman riding on urban path
  • Electric bicycle Fiido C21 – man riding in city square
  • Electric bicycle Fiido C21 – side view, snowy city street
  • Electric bicycle Fiido C21 – man riding past graffiti wall
  • Electric bicycle Fiido C21 – man riding past modern building
  • Electric bicycle Fiido C21 – man riding on beachside bike path
  • Electric bicycle Fiido C21 – man checking watch while stopped
  • Electric bicycle Fiido C21 – man riding along waterfront path
  • Electric bicycle Fiido C21 – parked, leaning against concrete structure
  • Electric bicycle Fiido C21 – side view, parked on beach path
  • Electric bicycle Fiido C21 – parked, leaning against white planter
  • Electric bicycle Fiido C21 – bike with optional rear rack and battery
  • Electric bicycle Fiido C21 – woman riding along waterfront
  • Electric bicycle Fiido C21 – handlebar and display close-up
  • Electric bicycle Fiido C21 – rider's wrist with smartwatch, handlebar in background
  • Electric bicycle Fiido C21 – woman riding on wet rooftop, city background
  • Electric bicycle Fiido C21 – woman riding on wet street, cars in background
  • Electric bicycle Fiido C21 – man on bike, bridge and blue sky background
  • Electric bicycle Fiido C21 – side view, headlight on, dark background
  • Electric bicycle Fiido C21 – man riding on bridge, blue sky background

Fiido C21

Store information
Viewing / collection in person is possible Monday to Saturday.
Opening hours: Mon–Fri: 9:00–19:00
Sat: 10:00–16:00
Sun & public holidays: CLOSED
Address: Tržaška cesta 222, 1000 Ljubljana
Phone: +386 30 771 787
Email: [email protected]
Color: Grey
Frame size
Up to 200 EUR off
1.099,90 EUR
1.099,90 EUR 1.299,90 EUR
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Fiido C21 Gravel & City Electric Bike

Minimalist design, exceptional lightness, and complete freedom on city streets and gravel paths.

Electric bicycle Fiido C21 – man riding on bridge, blue sky background

Benefits icon Who is this electric bike most suitable for?

The Fiido C21 is designed for modern urban cyclists and adventurers looking for a "Gravel" e-bike without compromising on weight and aesthetics. If you want a bike that doesn't look electric at first glance, but still offers superior assistance for tackling hills, this is your ideal choice.

With its exceptionally low weight (only 17.5 kg) and fully integrated wiring, it's perfect for those who often carry their bike up stairs or store it in an apartment. Whether you're commuting to work in the city center or exploring gravel paths on the weekend, the C21 offers precise steering and superior agility.

Electric bicycle Fiido C21 – side view, headlight on, dark background

Weight icon Seamless design and featherlight weight

Forget cumbersome and heavy electric bikes. The frame of the Fiido C21 is made from high-quality 700C aluminum alloy, with the battery seamlessly integrated. This engineering achievement keeps the bike's lines clean and minimalist, while providing the structural rigidity needed for gravel terrains.

With a total weight of only 17.5 kg (38.6 lbs), this bike sets new standards in its class. The minimalist approach continues with the wiring, which is completely hidden within the frame, not only improving aesthetics but also simplifying maintenance and protecting cables from external influences and damage.

Electric bicycle Fiido C21 – man on bike, bridge and blue sky background

Motor icon Advanced Mivice drive with torque sensor

The heart of the bike is the silent Mivice M080 brushless motor with 250 W of power, providing assistance up to 25 km/h (limited) in accordance with road regulations. A special feature of this motor is its low-resistance technology, which means you can easily ride the bike completely analog when the battery is empty or when assistance is not needed.

However, the biggest advantage is the superior Mivice S200 Torque Sensor. Unlike cheaper cadence sensors, a torque sensor measures the actual force you apply to the pedals. The result is extremely smooth, natural, and responsive assistance that adapts to your riding style and terrain in milliseconds.

Electric bicycle Fiido C21 – woman riding on wet street, cars in background

Battery icon Integrated battery and optimized range

A powerful battery with DMEGC (208.8 Wh) cells is hidden in the slender downtube of the frame. Despite the smaller capacity, which contributes to the bike's low weight, the highly efficient motor and precise torque sensor ensure impressive autonomy.

When using ECO mode and under ideal conditions (75 kg rider, flat terrain, 32 °C), the bike achieves an incredible 100 km (62.14 miles) of assistance. There are 5 levels of assistance available: from ECO (100 km) to the most powerful Turbo+ mode, which will provide you with up to 34.5 km of range even under maximum effort. A reliable 36 V 2 A charger is included.

Electric bicycle Fiido C21 – woman riding on wet rooftop, city background

Brakes icon Uncompromising braking power and grip

Superior TEKTRO HD-M275 hydraulic disc brakes ensure safe stopping in all weather conditions and on all terrains. They are equipped with precise levers from the same manufacturer, providing excellent modulation and short braking distance with minimal effort on the lever.

Contact with the ground is provided by CST/KENDA 700*40C tires (size 27.6" x 1.57"). These are "knobby" puncture-proof tires that offer low rolling resistance on asphalt, while providing stable and reliable grip on loose gravel and forest trails.

Electric bicycle Fiido C21 – rider's wrist with smartwatch, handlebar in background

Transmission icon Precise 9-speed drivetrain

Since the Fiido C21 is designed for varied terrain and climbing hills, it is equipped with a reliable 9-speed L-TWOO shifting system. The L-TWOO RD-5009-M rear derailleur works in perfect harmony with the SL-5009-9S shifters, ensuring fast and quiet gear changes.

The drivetrain is complemented by a large front aluminum crankset with 52 teeth (52T), a robust KMC X9 chain, and a wide range rear cassette 11-32T. This gear combination allows you to maintain an optimal cadence both when riding fast on flat ground and when climbing steep gravel hills.

Electric bicycle Fiido C21 – handlebar and display close-up

Display icon HD Color Display and complete weather protection

An exceptionally bright 2.4-inch HD color LCD display is mounted in the center of the handlebars. Whether you're cycling under strong summer sun or on a cloudy, rainy day, information about speed, range, and assistance level will always be crystal clear and readable.

The entire bike boasts an IP54 protection standard. This means that all vital electronic parts (display, motor, sensors, wiring, and battery) are fully protected against dust ingress and splashing water from all directions. Your bike is ready for riding through puddles and in the rain.

Electric bicycle Fiido C21 – woman riding along waterfront

Modes icon Ergonomics, comfort, and perfect fit

Recognizing that proper geometry is key, the Fiido C21 is available in three frame sizes (M, L, and XL) covering riders from 160 cm to 205 cm tall. The frame withstands a high load capacity of up to 120 kg (264 lbs).

Maximum comfort on longer rides is provided by the premium anatomical VELO vacuum full-fit saddle, mounted on an adjustable aluminum seatpost (diameter 30.9 mm). The 640 mm long handlebars are equipped with 130 mm non-slip TPR grips, reducing hand fatigue and ensuring firm control over the bike.

Package icon What do you receive with your purchase?

  • Fiido C21 Gravel & City Electric Bike (selected size)
  • Free protective fenders
  • Front LED light (Headlight) and rear light (Taillight)
  • Bicycle pedals and kickstand
  • Smart HD LCD display
  • Original smart charger (36 V, 2 A)
  • User manual
  • The bike includes 2 years warranty and CE/UKCA/UL certificates.
  • Service and professional support at Tržaška cesta 222, 1000 Ljubljana.

Specifications icon Technical Specifications

Model Fiido C21 (Gravel & City E-Bike)
Net weight 17.5 kg (38.6 lbs)
Maximum load capacity 120 kg (264 lbs)
Frame type 700C aluminum alloy, integrated battery, "Urban Gravel"
Fork Aluminum alloy, Thru-axle (15 mm diameter)
Headset Aluminum alloy, with bearings
Motor Mivice M080 brushless motor (Low-Resistance)
Motor power 250 W
Assisted top speed up to 25 km/h (limited)
Pedal sensor Mivice S200 torque sensor
Battery DMEGC cells, 208.8 Wh
Charger 36 V / 2 A
Range (Assistance) Up to 100 km (ECO), 58.7 km (Normal), 50.5 km (Sport), 44.5 km (Turbo), 34.5 km (Turbo+) - *data for 75 kg rider
Display 2.4-inch HD color LCD display in the center
Water resistance IP54 (entire bike)
Number of gears 9 gears
Rear derailleur L-TWOO RD-5009-M
Shifters L-TWOO SL-5009-9S
Chain KMC X9
Front crankset Aluminum alloy, 52T (teeth)
Rear cassette L-TWOO 9S (11-32T)
Brakes TEKTRO HD-M275 hydraulic disc brakes
Brake levers TEKTRO HD-M275
Front hub Aluminum alloy, double bearing, "barrel axle" (15 mm)
Rims Aluminum alloy, double-layer rim
Spokes Stainless steel with brass nipples
Tires CST / KENDA 700*40C (27.6" x 1.57"), Puncture-proof "knobby"
Handlebars Aluminum alloy (Length: 640 mm, Max diameter: 31.8 mm, Min diameter: 22.2 mm)
Stem Aluminum alloy
Grips TPR non-slip grips, approx. 130 mm length
Saddle VELO vacuum full-fit anatomical saddle
Seatpost Aluminum alloy (Length: M=300 mm / L,XL=350 mm; Diameter: 30.9 mm)
Recommended rider height Size M: 160-175 cm | L: 170-195 cm | XL: 190-205 cm
FRAME GEOMETRY (A-P) / Sizes: M | L | XL
A - Seat tube length 510 mm | 550 mm | 610 mm
B - Seat tube angle 73° | 73° | 73°
C - Head tube 150 mm | 170 mm | 190 mm
D - Head angle 71.5° | 72° | 72°
E - Top tube length 585 mm | 600 mm | 630 mm
F - Standover height 800 mm | 832 mm | 878 mm
G - BB drop 68 mm | 68 mm | 68 mm
H - Rear Center 445 mm | 445 mm | 455 mm
I - Wheelbase 1066 mm | 1077 mm | 1106 mm
J - Reach 402 mm | 411 mm | 428 mm
K - Stack 597 mm | 618 mm | 660 mm
L - Max seat height 1045 mm | 1130 mm | 1190 mm
M - Min seat height 885 mm | 920 mm | 980 mm
N - Total length 1790 mm | 1800 mm | 1815 mm
O - Handlebar height 1010 mm | 1010 mm | 1030 mm
P - Handlebar length 680 mm | 680 mm | 680 mm

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