KTM 390/790 models use the 10mm x 1.25 ball stud base, and have a reverse thread on the right side. An extension for the left side is included for it to be even in height with the right.

Includes

Base Extension

• Aluminum extension with 10mm x 1.25 male and female threads
• Works with standard Ball Stud Base to offer clearance in some applications

Reverse Thread Adapter

• Aluminum extension with 10mm x 1.25 reverse male thread and normal female thread
• Works with standard Ball Stud Base