Pack with 2 inserts and 2 disc brakes.

For -UNIVERSAL- UFO wheels of Ø15.9 mm.

Inserts are 0.10mm thick and weight 0.052g.

The new hubcap system for UFO -UNIVERSAL- wheels was designed so that:
     1-  the wheels always look beautiful
     2-  the hubcap stays in place
     3-  no glue is required
     4-  it weighs less than a plastic one
     5-  it comes in a variety of different designs that can be painted
     6-  installation is very simple