Another WR owner on ADVrider.com, Chadx, created this gearing ratio for the WR so I wanted to repost this information before it gets lost in the thread!
Stock gearing is 13T Front / 43T Rear sprockets with Trailwing rear tire. The ratio with the taller D606 rear tire assumes a 5% increase.
| Front | Rear | Ratio | Ratio w/D606 Tire |
| 14 | 46 | 3.286 | 3.115 |
| 13 | 43 | 3.308 | 3.136 |
| 14 | 47 | 3.357 | 3.183 |
| 13 | 44 | 3.385 | 3.209 |
| 14 | 48 | 3.429 | 3.250 |
| 13 | 45 | 3.462 | 3.282 |
| 13 | 46 | 3.538 | 3.354 |
| 12 | 43 | 3.583 | 3.397 |
| 13 | 47 | 3.615 | 3.427 |
| 12 | 44 | 3.667 | 3.476 |
| 13 | 48 | 3.692 | 3.500 |
| 12 | 45 | 3.750 | 3.555 |
| 13 | 49 | 3.769 | 3.573 |
| 12 | 46 | 3.833 | 3.634 |
| 12 | 47 | 3.917 | 3.713 |
| 12 | 48 | 4.000 | 3.792 |