Bicycle Archive ยท Specification reportBicycle Archive ยท Specification reportVelopedia Archive ID 18867
| Model year | 2009 |
|---|---|
| Brand | Rocky Mountain |
| Model | Oxygen 50 AC |
| Bicycle type | Road race & triathlon |
| Archive ID | 18867 |
| Colors | Red |
| Sizes | 48cm, 51cm, 54cm, 57cm, 60cm |
| Frame construction | TIG-welded/bonded |
|---|---|
| Frame material | 7005 triple butted aluminum w/Delta Process TT & carbon seatstays |
| Fork material | Carbon w/alloy steerer, aero crown |
| Rear shock | N/A |
| Component group | Shimano 105 |
|---|---|
| Shifters | Shimano 105 STI |
| Front derailleur | Shimano 105 |
| Rear derailleur | Shimano Ultegra |
| Crankset | FSA Gossamer, 34/50 teeth |
| Bottom bracket | FSA Mega EXO |
| Cassette | Shimano 105 |
| Rear cogs | 10-speed, 12 - 27 teeth |
| Chain | Shimano 105 |
| Pedals | N/A |
| Brakes | FSA Gossamer brakes, Shimano 105 STI levers |
|---|
| Headset | 1 1/8" FSA Orbit CS |
|---|---|
| Handlebar | Easton EA30 Road |
| Handlebar extensions | Not included |
| Stem | Easton EA30 31.8 |
| Saddle | Selle San Marco Ponza |
| Seatpost | Carbon, 31.6mm diameter |
| Hubs | Shimano RS10 |
|---|---|
| Rims | Shimano RS10 |
| Spokes | Shimano |
| Front tire | 700 x 25c Vittoria Zaffiro |
| Wheel size | 700c wheels |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 26, 2026.