| Answer | Crossword Clue |
|---|---|
| SIPE | Tire-tread groove |
| SIPE | Auto-tread groove |
| BLADNESS | Tire-tread loss |
| BONUSTRACTION | What improved tire tread produces? |
| retread | tire that has had new tread added |
| retreading | Put a new tread on (a worn tire) |
| retreads | Put a new tread on (a worn tire) |
| baldest | (of a tire) Having the tread worn away |
| retreaded | Put a new tread on (a worn tire) |
