MOZA R12 vs MOZA R9
The R12 produces 12 Nm against the R9's 9 Nm, 1.3 times the force at the rim. The R9 costs $100 less than the R12. Every other figure published for both is the same.
What separates them
- Price$429vs$329
The R9 costs $100 less than the R12.
- Torque12 Nm peakvs9 Nm peak
The R12 produces 12 Nm against the R9's 9 Nm, 1.3 times the force at the rim.
Specs side by side
| MOZA R12 | MOZA R9 | |
|---|---|---|
| Where they differ | ||
| Price | $429 | $329 |
| Torque | 12 Nm peak | 9 Nm peak |
| Published by one side | ||
| Drive system | Not published | direct-drive |
| Mounting | Not published | Bottom mount |
| Platforms | Not published | PC |
| Same figure on both | ||
| Quick release | Supportedboth | |
| Rim in the box | Noboth | |
| Pedals in the box | Noboth | |
| Input voltage | 110 V to 220 V AC in, 36 V DC outboth | |
| Not published by either | weight | |
MOZA R12: pros, cons, and who it suits
Pros
- Produces 12 Nm against the R9's 9 Nm, which is 1.3 times the peak force at the rim.
Cons
- Costs $100 more than the R9.
- No published PC support, where the R9 lists it.
Who it suits
At 12 Nm this sits in the middle torque band of the database, between 6 and 12 Nm, and in the $300 to $600 price band.
MOZA R9: pros, cons, and who it suits
Pros
- Costs $100 less than the R12.
- Works on PC, which the R12 does not list support for.
Cons
- Produces 9 Nm where the R12 produces 12 Nm, a shortfall of 3.0 Nm, or 75% of its peak force.
Who it suits
At 9 Nm this sits in the middle torque band of the database, between 6 and 12 Nm, and in the $300 to $600 price band.
Which should you choose?
On budget alone, the R9 is the cheaper of the two at $329, against $429 for the R12.
On force, the R12 is the stronger unit at 12 Nm. Peak torque is the most the motor can produce. You set the level you drive at below it.
If you are on PC, only the R9 publishes support for it.
What changed from the R12 to the R9
Both are MOZA wheelbases, so this is a step within one range rather than a cross-brand choice.
- Peak torque moves from 9 Nm to 12 Nm, a change of 3.0 Nm.
- List price moves from $329 to $429, a difference of $100.
Where to buy
Full R12 specs · Full R9 specs
Every spec on this page was read from the manufacturer's own published documentation.