Wheel Bolt Versions
Cup shape explanations
There are two cup shapes: rounded and conical.
The spherical cap has a curved surface -arrow A- on the section of a sphere. This design of the spherical cap was used for original rims.
The conical spherical cap has a flat surface -arrow B- on the section of a sphere. This design of the spherical cap is used partially on rims from the accessories program.
I - Wheel Bolt with Spherical Cap
II - Wheel Bolt with Cone-Shaped Spherical Cap
Make sure the correct wheel bolts are installed. Refer to the appropriate Electronic Parts Information.
Only the same wheel bolts may be installed on all four wheel rims for every vehicle.
Standard, one-piece wheel bolt.
Two-piece wheel bolts with short rotatable spherical cap.
Two-piece wheel bolts with long rotatable spherical cap.