Alloy wheel rim horns will vary significantly in shape, height and depth. Each car manufacturer can have a different alloy rim shape depending on the rim manufacturer. Wide tolerances are allowed within ETRTO specifications.
For guidance only
Rim Section
| 326C Universal Weight | 4.5/6.5mm |
| 340C Japanese/Heavy section | 6.6/7.5mm |
Outside these ranges adhesive weights are recommended.