

MTB MTB · Marathon · Cross country
Mach1 M670 / Combo+ rim, double-walled and eyeleted, strong and durable. For urban e-bikes, hybrid bikes and MTBs.
The Mach1 M670 rim is specially designed to offer remarkable strength and durability, which makes it a perfect choice for city electric bikes (e-bikes), for trekking bikes and for MTBs. Its eyeleted double-wall construction optimises spoke tension and can support a total bike system weight of up to 150 kg. With a 21C width, it is compatible with every size of urban and all-road tyre, while also suiting MTBs fitted with tyres of up to 2.2" in section. What is more, its CNC-machined sidewalls guarantee optimal, safe braking, combining reliability and performance.
| Use | Axle Load | Max Load |
|---|---|---|
| e-City / e-Trekking | 100 kg | 150 kg |
Manufacturer figures, for a wheel built to the proper standard.
System weight covers bike, rider and load. Understanding these two figures →
| Diameter | ETRTO | ERD | Weight |
|---|---|---|---|
| 20″ | 406 × 21C | 388 mm | 420 g |
| 24″ | 507 × 21C | 489 mm | 520 g |
| 27.5″ | 584 × 21C | 566 mm | 600 g |
| 28/29″ | 622 × 21C | 604 mm | 640 g |
| 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) · worn braking surface | 9.5 | 9 – 8 | 7.5 – 6.5 | 6 – 5 | 5 – 4.5 | 4 |
| Pressure (bar) · no wear | 9 | 8.5 – 7.5 | 7 – 6 | 5.5 – 5 | 4.5 | 4 |
Source: Mach1
| Reference | RIMJA1826-36/SL |
|---|---|
| Origin | Made in France |
| ETRTO | 559 × 21C |
| Wall | Double |