| Clue | Source | Date |
|---|---|---|
| One of a bicycle's wheels | Newsday | 14 Apr 2026 |
| It helps give a car traction | New York Times | 10 Jun 2025 |
| Back-of-the-car item | ||
| It's near a bicycle's derailleur | ||
| Roller near a derailleur | ||
| Bicycle part near the derailleur | ||
| Flat spot, perhaps | ||
| One of a bicycle pair |