Orbit offers a wide range of sizes throughout its models:
The chart below shows the geometry of our off the peg frames. Our Summit range of tandems are all built to order and any size is possible, within reason.
If you find you need additional dimensions not shown here, please contact us and we'll be happy to help.
Geometry & Sizing Chart
| Model Name | A | B | C | D | E | F | G | H | I |
|---|---|---|---|---|---|---|---|---|---|
| Velocity | |||||||||
| small | 12.5 | 76 | 54.5 | 47 | 172.5 | 244 | 58.5 | 68.5 | 35.5 |
| medium | 12.5 | 78 | 56.5 | 51 | 177 | 247 | 64.5 | 71 | 41 |
| large | 16.5 | 82 | 58.5 | 56 | 180 | 249 | 71 | 71 | 45.5 |
| x large | 19 | 84.5 | 61 | 58.5 | 182 | 253.5 | 73.5 | 73.5 | 48.5 |
| Routier | |||||||||
| small | 12 | 70 | 55 | 46 | 174 | 241 | 62 | 70 | 36 |
| medium | 12.5 | 77 | 58 | 51 | 178 | 245 | 69.5 | 71 | 41 |
| large | 16.5 | 81.5 | 59 | 56 | 179 | 246 | 74 | 71 | 45.5 |
| Lightning - aluminium | |||||||||
| small | 12.5 | 75 | 54.5 | 49 | 176 | 243 | 63 | 71 | 38 |
| medium | 12.5 | 77 | 56.5 | 51 | 178 | 245 | 66 | 71 | 41 |
| large | 16.5 | 82 | 58.5 | 56 | 180 | 247 | 73 | 71 | 45.5 |
| Lightning - titanium | |||||||||
| small | 12 | 72 | 54 | 48 | 171.5 | 241 | 64 | 71 | 38 |
| medium | 12 | 74 | 56 | 51 | 173.5 | 243 | 66 | 71 | 41 |
| large | 16 | 78 | 58 | 56 | 176 | 245.5 | 70 | 71 | 46 |
| Lightning - Spirit | |||||||||
| small | 12 | 76.5 | 54 | 46 | 172 | 242 | 65 | 71 | 38 |
| medium | 13.5 | 79.5 | 56.5 | 51 | 175 | 245 | 70 | 71 | 41 |
| large | 16.5 | 83 | 58 | 56 | 176 | 247 | 74.5 | 71 | 46 |