Fiido

Fiido C21 Gravel & City E-bike

In stock
SKU: RE - 074
(2)
£969.00
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PRICE MATCH PROMISE - Seen the same e-bike for less at an eligible UK retailer? Contact us before ordering and, if it meets our Price Match Terms, we will match the price.

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Fiido C21 – The Smart, Stylish Ebike 

UK stock update (23 October 2026): Fiido C21 sizes M and XL: in stock in the UK warehouse. Size L: pre-order, currently out of stock; Fiido estimates UK restock in 6–8 weeks. Select your size before ordering; the L pre-order dispatches after stock arrives. This is a supplier estimate and may change.

When riders demanded a lightweight, affordable 700c ebike, Fiido delivered. The C21 was born from real rider feedback, blending gravel-ready performance with urban elegance. Featuring advanced smart technology and a striking design, this sleek ride makes every journey effortless. Praised by Forbes for its “exquisite craftsmanship and precise riding experience,” the C21 redefines city cycling, proving that power, style, and innovation can go hand in hand

Features

  • Lightweight – Weighs just 17.5kg, incredibly light for easy handling.
  • Torque Sensor System – Optimizes power transfer from both pedals for efficient performance.
  • Zero-Resistance Silent Motor – Smooth and quiet riding experience.
  • TEKTRO Hydraulic Brake – Offers efficient braking with improved control.
  • 9-Speed – Ideal for fast flat roads and easy hill climbs with precise gear adjustments.
  • Long Range – Up to 100 km per charge, setting a new benchmark for lightweight e-bikes.

Size Options:

  • M (Medium)
  • L (Large)
  • XL (Extra Large)

 

What's in the package?

  • Fiido C21 e-bike x1
  • Fenders x1
  • Headlight x1
  • Pedals x1
  • Display x1
  • Taillight x1
  • Charger x1
  • User Manual x1
  • Kickstand x1

For full delivery information, please see our Shipping & Delivery Policy.

Change-of-mind e-bike returns: customer is responsible for the direct return/collection cost, currently estimated at a maximum of approximately £200 per bike for UK mainland returns. See Returns Policy for full details

Fiido manufacturer warranty

Fiido’s published warranty periods and component cover are:

Frame — 36 months. For eligible manufacturing defects.

Main components — 24 months. This includes the fork, handlebar, stem and seatpost; listed drivetrain, suspension and brake assemblies; and the motor, lithium battery, charger, main wiring harness, display, controller, speed control and torque sensor.

Other listed components — 3 months. These include certain clamps, tyres, saddle, pedals, brake discs and wheel parts, plus lights and power-off brake levers or switches. Normal wear is excluded.

Conditions. Fiido covers eligible manufacturing defects, subject to proof of purchase from Fiido or an authorised reseller and its component-specific terms. Accidental damage, misuse, unauthorised modifications and certain water-related faults are excluded.

Need help? If you bought your bike from Rocket Ebikes, contact us first with your order details and photos or video of the fault. Your statutory consumer rights against Rocket Ebikes are unaffected.

For the full component table and conditions, read Fiido’s warranty policy.

Customer Reviews

Based on 2 reviews
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C
C Versluis
Very happy

Very impressed so far, great quality.

c
chris perret
Good value

Bought in sales so a good price was on offer. Bike itself arrived well packaged and quickly so very happy unfortunately accessories didn’t and took 3 weeks to resolve via emails but now all complete. Bike is easy to assemble with a good selection of tools to help. Quality appears good, minimal use due to weather but very pleased so far.

Specifications

Component Specification
Model Name C21
Model Code C21
Net Weight 17.5 kg
Payload 120 kg
Frame 700C aluminum alloy integrated battery urban gravel frame
Fork Aluminum alloy thru-axle fork (15 mm thru-axle diameter)
Headset Aluminum alloy bearing headset
Drive Unit Mivice M080 250W
Battery DMEGC 208.8 Wh
Charger 36V 2A
Display 2.4-inch LCD
Rear Derailleur L-TWOO RD-5009-M
Shifters L-TWOO SL-5009-9S
Chain KMC X9
Crank Aluminum alloy 52T
Rear Cogs L-TWOO 9S (11-32T)
Sensor Mivice S200 torque sensor
Brakes TEKTRO HD-M275 Hydraulic Disc Brake
Brake Levers TEKTRO HD-M275
Front Hub Aluminum alloy double-bearing barrel axle hub (15 mm barrel axle diameter)
Rims Aluminum alloy double-layer rim
Spokes Stainless steel spokes with brass nipples
Tires CST/KENDA 27.6 × 1.57
Handlebar Aluminum alloy
Length: 640 mm
Max Ø: 31.8 mm
Min Ø: 22.2 mm
Stem Aluminum alloy stem
Grips TPR non-slip handle grip (130 mm)
Saddle VELO vacuum full-fit saddle
Seatpost Aluminum alloy clamp head seatpost
M: 300 mm
L: 350 mm
Ø: 30.9 mm

Geometry

R Rider Heights: M: 5'3" (160cm) - 5'9" (175cm)
L: 5'7" (170cm) - 6'5" (195cm)
XL: 6'5" (195cm) - 6'9" (205cm)
F Wheel Size: All sizes: CST 700×40C
A Seat Tube Length: M: 510mm
L: 550mm
XL: 610mm
B Seat Tube Angle: 73° (all sizes)
C Head Tube Length: M: 150mm
L: 170mm
XL: 190mm
D Head Angle: M: 71.5°
L: 72°
XL: 72°
E Top Tube Length: M: 585mm
L: 600mm
XL: 630mm
F Standover Height: M: 800mm
L: 832mm
XL: 878mm
G BB Drop: 68mm (all sizes)
H Rear Center: M: 445mm
L: 445mm
XL: 455mm
I Wheelbase: M: 1066mm
L: 1077mm
XL: 1106mm
J Reach: M: 402mm
L: 411mm
XL: 428mm
K Stack: M: 597mm
L: 618mm
XL: 660mm
L Maximum Seat Height: M: 1010mm
L: 1085mm
XL: 1145mm
M Minimum Seat Height: M: 810mm
L: 885mm
XL: 945mm
N Total Length: M: 1790mm
L: 1800mm
XL: 1815mm
O Handlebar Height: M: 1010mm
L: 1010mm
XL: 1030mm
P Handlebar Length: 680mm (all sizes)

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