See also:

Load bearing index
The load bearing index (also load index) is a code that contains the maximum load bearing capacity of a tire. ...

Tread
The part of the tire that comes into contact with the road. ...

Bag hooks
The bag hook can bear a maximum load of 6.6 lbs (3 kg). Do not use it to secure a load. Pull bag hook 2 down by tab 1. ...