Brakes and Wheels

A Tyre Reads "215/ 45 R17 83Y" what is the tire width?

A Tyre Reads "215/ 45 R17 83Y" what is the aspect ratio?

A Tyre Reads "215/ 45 R17 83Y" what is the wheel diameter?

A Tyre Reads "215/ 45 R17 83Y" what is the load rating?

A Tyre Reads "215/ 45 R17 83Y" what is the speed rating?

If a tyre designation starts with "P" such as "P215/ 45 R17 83Y" what does P stand for?

Answer explanation

This means it is used for passenger vehicles. Often larger vehicles.

If I have a wheel with rim markings that read "5JX16 ET35" what is the Wheel Width?

If I have a wheel with rim markings that read "5JX16 ET35" what is the Wheel Diameter?

What is the aspect ratio?

• The ratio of the Wheel Width to Sidewall

• The ratio of Sidewall to Load Rating

• The ratio of Wheel Diameter to Wheel Width

• The ratio of Wheel Width to Load Rating

Answer explanation

So, if I have a tyre of 200mm width, and my aspect ratio is 50(%) my tyre height is 100mm.

What type of system powers the normal car brake system?

• hydraulic

• mechanical

• electric

• pneumatic

Answer explanation

Hydraulic, meaning it uses liquid under pressure in a confined space to power the brakes.