| MacQueen's Bike Shop |  | PE | Charlottetown | 24 |
| Mammoth Lifestyle and Fitness | | | Stafford | 0 |
| Mammoth Madrid | | | Madrid | 11 |
| Marginal Sport & Cycles | | | Oron-la-Ville | 0 |
| Marty's Reliable Cycle - Hackettstown | | NJ | Hackettstown | 7 |
| Matzman Et Merutz | | | Tel Aviv | 7 |
| Metrobikes | | | Lublin | 2 |
| Milford Bicycle | | MA | Milford | 24 |
| Mitchell Cycles | | | New Plymouth | 0 |
| MK Bikes | | | Karlsruhe | 2 |
| MOAB Franklin | | TN | Franklin | 0 |
| MOAB Nashville | | TN | Nashville | 0 |
| Moh. Sport | | | Hemsedal | 0 |
| Mon Vélo | | QC | Baie-Comeau | 1 |
| Motion Makers - Asheville | | NC | Asheville | 15 |
| Motion Makers - Cherokee | | NC | Cherokee | 0 |
| Motion Makers - Sylva | | NC | Sylva | 0 |
| Moto Bike Pontevedra | | | Pontevedra | 0 |
| Motor City Bicycle (Ann Arbor) | | MI | Ann Arbor | 1 |
| Motor City Bicycle (Brighton) | | MI | Brighton | 2 |
| Motor City Bicycle (Canton) | | MI | Canton | 0 |
| Mountain View Cycles | | OR | Hood River | 4 |
| MountainBikeShop | | | Helsinki | 1 |
| Mtbstore | | | Göteborg | 7 |
| Multibike | | | Concepcion | 20 |