Toyota 2013 Avalon Owner's Manual page 369

444
8-1. Specifications
Tire section names
1
Bead
2
Sidewall
3
Shoulder
4
Tread
5
Belt
6
Inner liner
7
Reinforcing rubber
8
Carcass
9
Rim lines
10
Bead wires
11
Chafer
AVALON (U)_(OM41440U)