| Moped part | 10 |
| Michelin or Dunlop | 18 |
| Michelin Man product | 20 |
| Michelin item | 13 |
| Lose zest | 9 |
| Lose steam on tour | 18 |
| Kumho product (admit it, you laughed at the brand name) | 55 |
| Kumho product | 13 |
| Kind of iron or chain | 21 |
| Item on a buggy | 15 |
| Item kicked by some motorists | 29 |
| Item behind a mud flap | 22 |
| It's worn on a road trip | 28 |
| It's changed quickly in a race | 34 |
| It's carried in a trunk | 27 |
| It wears on you during a road trip | 34 |
| It wears from excessive travel | 30 |
| It rotates ... and may be rotated | 33 |
| It may have bias | 16 |
| It may go flat | 14 |
| It may eventually become bald | 29 |
| It may be worn down from traveling | 34 |
| It may be worn after traveling | 30 |
| It comes before irons or chains | 31 |
| It can wear down from too much travel | 37 |
| It can become bald | 18 |
| It can be balanced and biased simultaneously | 44 |
| Inner tube surrounder | 21 |
| Inflation item | 14 |
| Huge part of a monster truck | 28 |
| Grow bored or impatient | 23 |
| Goodyear or BFGoodrich product | 30 |
| Get too much of | 15 |
| Get sick of song | 16 |
| Get sick of a song | 18 |
| Get knocked out | 15 |
| Get jaded | 9 |
| Get fatigued | 12 |
| Get drained on tour | 19 |
| Get bored at show | 17 |
| Get beat | 8 |
| Flat or spare follower | 22 |
| Flat or spare | 13 |
| Feel fatigue | 12 |
| Fat or flat follower | 20 |
| Fail to be indefatigable | 24 |
| Ersatz pier protector | 21 |
| Cross-ply, e.g. | 15 |
| Cooper product | 14 |
| Classic tree swing | 18 |
| Car shoe | 8 |
| Buggy item | 10 |
| Brad Paisley might get "Mud on" one | 45 |
| Bore utterly | 12 |
| Bike's wheel | 16 |
| Bicycle's rubber part | 25 |
| Bias-ply, for one | 17 |
| BFGoodrich product | 18 |
| BFGoodrich item | 15 |
| Become impatient | 16 |
| Become groggy | 13 |
| Balloon ___ | 11 |
| Bad thing for van to blow | 25 |
| Backyard tree dangler | 21 |
| Auto-store buy | 14 |
| Auto necessity | 14 |
| Auto cushion, in a way | 22 |
| Abdominal flab | 14 |
| A spare one might be lost on a diet | 35 |
| "Radial" auto part | 28 |
| ___-bouchon (corkscrew) | 23 |
| ___ out (exhaust) | 17 |
| __ iron | 7 |
| What an auto club provides after a blowout? | 43 |
| That sharp nail in the road you just ran over? | 46 |
| Pit crew? | 9 |
| Car's winter accessory | 26 |
| Auto service center employee | 28 |
| Changing a flat? | 16 |
| Eager to sleep | 14 |
| Ready for a break | 17 |
| Frazzled | 8 |
| Sick companion? | 15 |
| Ran out of steam | 16 |
| Hackneyed, as a joke | 20 |
| Ready to hit the sack | 21 |
| Sick partner | 12 |
| Plain tuckered out | 18 |
| Overfamiliar through overuse | 28 |
| Needing to rest | 15 |
| Eager to rest | 13 |
| ''Give me your ___ . . .'' | 42 |
| Word with dead or dog | 21 |
| With 34D, spent | 15 |
| What Ozzy was on '83 ballad | 31 |
| Tuckered out or ready to roll? | 30 |
| Sick's partner | 18 |
| Sick partner? | 13 |
| Sick companion | 14 |
| Short on energy | 15 |