Tire, Car Wheel, Wheel
noun
A car rings are what part of your car? Those are your tires. So, a car ring is a tire. This can also mean car wheel, or the wheel of some other vehicle.
しゃりん
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
バイクの車輪が外れてしまいました。
My motorcycle's tire came off.
え、四角い車輪なんてあるんですか?
Wait, do square wheels exist?
三輪車の車輪で足の小指を打ったんです!
I hit my little toe with the wheel of a tricycle!