

MTB MTB · Marathon · Cross country
Mach1 Karma rim, entry-level, with a reinforced outer wall. For entry-level MTBs and urban e-bikes.
The Mach1 Karma rim is designed for MTB riding, and particularly for Enduro, All Mountain, Marathon and Cross Country. Its eyeleted double-wall design ensures increased reliability, while the reinforced outer wall offers superior durability. It is compatible with electric bikes (e-bikes) in urban use and with trekking bikes, supporting a weight of up to 130 kg. With a 21C width, it can accommodate tyres of up to 2.4 inches.
| Use | Axle Load | Max Load |
|---|---|---|
| e-City / e-Trekking | 85 kg | 130 kg |
| MTB / XC | 70 kg | 130 kg |
Manufacturer figures, for a wheel built to the proper standard.
System weight covers bike, rider and load. Understanding these two figures →
| Tyre widths (mm) | 23 – 28 | 29 – 35 | 37 – 45 | 47 – 55 | 57 – 62 | 64 – 71 |
|---|---|---|---|---|---|---|
| Tyre widths (inches) | 0.9 – 1.1″ | 1.15 – 1.4″ | 1.45 – 1.8″ | 1.85 – 2.1″ | 2.2 – 2.45″ | 2.5 – 2.8″ |
| Pressure (bar) | 9.5 | 9 – 7.5 | 7.5 – 6 | 6 – 5 | 5 – 4.5 | 4.5 – 4 |
Source: Mach1
| Reference | RIMJA4027-32T |
|---|---|
| Origin | Made in France |
| ETRTO | 584 × 21C |
| Wall | Double |