The Chinese word for tire is
轮胎

lún tāi

Chinese Definition

tire
1. 名词. 轮胎
2. 动词. 勞累
Components
轮
1. Simplified form of 輪
胎
1. fetus; unborn child
2. source, origin
3. to bring up, to rear
4. pearl in shell
5. roughcast
6. padding
7. tongue coating; fur
(Alternative form 苔)
8. to escape
9. Alternative form of 鮐
10. pneumatic tire

Translations for 胎 and their definitions

勞累
1. adj. tired; overworked; exhausted; worn out
2. v. to work hard; to toil; to exhaust oneself
3. v. (polite) to trouble someone (to do something)

劳累
1. Simplified form of 勞累

累
1. to pile up; to heap up; to mount up; to accumulate
積累 - to accumulate
累計 - to accumulate
2. repeated; numerous; unremitting; continuous; persistent
經年累月 - for years and years
3. (obsolete) to repeat; to replicate; to overlap
4. (obsolete) to add (to); to increase; to grow
5. (obsolete) to amount (to); to sum up (to)
6. (obsolete) Alternative form of 絫 (ancient weight unit)
7. to involve; to implicate; to embroil; to entangle; to hinder
連累lei - to implicate
累leoi6人累leoi6物 - to bring burden on others
8. (obsolete) burden; tribulation; affliction; problem
9. (obsolete) to damage; to hurt; to do harm to; to stain; to sully
10. (obsolete) to entrust; to delegate; to devolve
11. to strain; to wear out; to cause to be tired
別累lèi 著着zhe 眼睛 - Do not tire your eyes.
12. to cause trouble to; to trouble (someone)
13. 真係唔好意思，累leoi6 你白行一趟。 - I'm really sorry for making you come here for nothing.
14. (obsolete) suffering; misery; harm; disaster
15. (obsolete) fault; crime; slip; defect
16. to work hard; to toil; to overwork
我今天累lèi 了一整天。 - I've been working hard all day today.
17. tired; weary; fatigued; exhausted
我很累lèi。 - I'm tired.
他會累lèi 得精疲力竭的。 - He'll wear himself out.
18. (obsolete) wife and children; one's family
19. (Changsha Xiang, polite) please; asking for help
累你幫下忙囉。 (lia6 nyi3 ban1 ha5 man2 lo, X, ref=1998, 鮑厚星) - Please help. et al. (editors), (lang, zh, 長沙方言詞典, page 66)
20. Used in 累贅 (cumbersome)
21. Variant of 纍
22. Only used in 謼遫累
23. Only used in 肥累