Fiido C21 Gravel and City Electric Bike
- Class 1
- Up to 400 Wh
- 61-80 mi claimed
- 251-300 lb max load
SVT Score, Mid
A 38.6 lb urban gravel e-bike with a torque sensor, nine gears and hydraulic brakes, but a small fixed battery.
$1,099
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Usability
4.0 out of 10
- Searched: TÜV SÜD attestation (Fiido-hosted; TÜV SÜD not searched: no control) Certipedia UL Intertek TÜV SÜD CPSC Health Canada SGS
- Record: TÜV SÜD attestation (Fiido-hosted; TÜV SÜD not searched: no control), EN 15194:2017 Clause 4.2.15 only, C21, C22, Shenzhen Fiido Technology Development Co., Ltd.
Better on verificationTenways CGO600 Pro$1,599Scores 6.0
- Option: Extender version with extra battery and rear rack ($1,419.00)
- Pack: range extender battery, 208.8 Wh, $249.00
Strengths
- Light to carry up stairs
- Torque sensor gives smooth natural assist
- Puncture-proof knobby tires for gravel
- Lights and fenders come in the box
Drawbacks
- Small battery limits range
- Battery is fixed in the frame
- Low torque on steep climbs
- No rack without the extender bundle
- Frame sizing runs tall for some owners
A light, fun gravel commuter, but short on battery and power
Specs
- TypeCommuter
- E-Bike ClassClass 1
- BatteryUp to 400 Wh
- MotorHub
- Top SpeedUp to 20 mph
- Claimed Range61-80 mi
- WeightUp to 40 lb
- Max Rider Load251-300 lb
- BrakesHydraulic disc
- SuspensionNone
- FoldingDoes not fold
- CertificationsClaimed only
- Warranty2 Years
At a glance
- Thru-axle front fork
- L-TWOO shifting
- Three frame sizes
The FIIDO US trademark (registration 5012525) is held by Shenzhen QLHX Technology Co., Ltd. Fiido's EN 15194 certificates name Shenzhen Fiido Technology Development Co., Ltd. as holder and manufacturer.
- Fiido e-bikes and scooters are sold in the US on fiido.com, which Fiido's own footer calls the Fiido USA Site.
- The store's terms say only that the website is operated by Fiido, and they give a contact address in Tai Kok Tsui, Kowloon, Hong Kong.
- No US legal entity is named anywhere on the store.
- Its store sells mini and folding bikes, carbon commuters, touring bikes, longtail cargo bikes and a seated scooter.
- E-bikes ship from US warehouses, while the shipping policy says e-scooters ship from China.
- The search of Amazon US found no listing sold by Fiido itself (October 2026).
- Among major US retailers, only Walmart carries Fiido, through the brand's own marketplace store, with one cargo bike listed (October 2026).
The Fiido C21 is a step-over urban gravel e-bike with a 36 V, 208.8 Wh battery built into the frame and a Mivice M080 250 W rear hub motor with a Mivice S200 torque sensor and a 9-speed L-TWOO drivetrain; Fiido's compare table lists 22 Nm.
It has Tektro HD-M275 hydraulic disc brakes, a rigid aluminium thru-axle fork and puncture-proof 700C knobby tires. It weighs 38.6 lb with the battery and is rated for 264 lb. It has no throttle and ships with a 15.5 mph assist preset. A headlight, a taillight, fenders and a 2.4 in colour LCD come in the box.
Fiido's own range test gives 62.14 miles in ECO with a 165 lb rider. It comes in M, L and XL frames at one price. An Extender version adds an extra battery and a rear rack for $1,419.00, and a 208.8 Wh range extender battery sells alone for $249.00.
Compared in
Questions answered from our data
How much does an electric bike cost?The 269 electric bikes we list run from $799 to $12,500, with a median of $1,899.
Are electric bikes UL certified?90 of the 269 electric bikes we list carry a UL 2849 listing we could look up by model.
How far can an electric bike go?231 of the 269 electric bikes we list claim 41 miles or more on a charge, each on its maker's own basis.
Which electric bikes have a battery over 1,000 Wh?16 of the 269 electric bikes we list have a battery over 1,000 Wh, as their makers rate it.
