| Oak Bay Bikes |  | BC | Victoria | 84 |
| Obsession: E-Bikes | | BC | North Vancouver | 0 |
| oikokinisi.gr | | | VERIA | 16 |
| Olympia Cycle And Ski | | BC | Kelowna | 25 |
| On Your Left Cycles | | KY | Louisville | 9 |
| One On One Bicycle Studio | | MN | Minneapolis | 13 |
| One Planet Adventure | | | Wrexham | 1 |
| Onitcycles | | | Porthcawl | 0 |
| Open Air Bicycles | | CA | | 7 |
| Oregon E-Bikes | | OR | Hood River | 0 |
| Örninn | | | Reykjavík | 6 |
| Outdoor Elements | | NB | Sussex | 29 |
| Outer Limit Sports | | PE | Charlottetown | 4 |
| Outside Bike And Ski | | AB | Canmore | 48 |
| Outsidebike suspension | | | Geraardsbergen | 1 |
| Outtabounds | | SK | Saskatoon | 11 |
| Owenhouse Bicycling And Fitness | | MT | Bozeman | 33 |