Fiido M1 Pro vs Fiido M21
On the numbers that decide this pair, the Fiido M1 Pro is 4 km further on range than the Fiido M21. Everything else is below, including where it loses.
Range is our estimate under the reference ride, not the manufacturer's claim. Cost is over 5 years at 3,000 km a year, on the same formula the cost-of-ownership calculator runs. How we work this out
| Spec | Fiido M1 Pro | Fiido M21 |
|---|---|---|
| Estimated range | 41 km | 37 km |
| Battery | 614 Wh | 557 Wh |
| Weight | 24.9 kg | 24.9 kg |
| Motor torque | 60 Nm | 60 Nm |
| Top speed | 40 km/h | 40 km/h |
| Price | $799 | $999 |
| 5-year cost | $1,644 | $1,795 |
Where each one wins
- Fiido M1 Pro is 4 km further on range.
- Fiido M1 Pro is 57 Wh more battery.
The Fiido M21 does not lead on a single measured axis here. That does not make it the wrong bike, but it does mean the Fiido M1 Pro is the one to justify not buying.
What each one costs to own
Over 5 years the Fiido M1 Pro costs about 140 EUR less to own, once purchase, charging, servicing, a battery replacement where one is due, and resale are all counted.
That figure moves mostly on the battery. The Fiido M1 Pro covers about 32,747 km before its pack is due for replacement; the Fiido M21, about 29,707 km. Ride less than that and the replacement never enters the sum.
Run these numbers on your own mileage
Which one to buy
- Pick the Fiido M1 Pro if you ride to the edge of the battery and dislike planning around it.
- Pick the Fiido M1 Pro if you would rather charge less often than carry less weight.
- Pick the Fiido M1 Pro if the five-year total is what you are optimising.
Verdict
On the measured axes the Fiido M1 Pro is the better buy, and the Fiido M21 needs a reason of its own: a colour, a frame, a shop you trust, a price that moves. None of those are in our numbers, and all of them are legitimate.
Range here is an estimate under one reference ride, not a measurement. Yours will differ with terrain, weight, tyres and weather, which is what the range calculator is for.
Tell me when either of these gets cheaper
One email when a price moves on a bike you are watching. Nothing else.