I just got a tech update release from Zipp and thought I would share it here for anyone who does their own wrenching and has these shifters...
There are 2 bolts on the Vuka R2C Shifters. One uses a 4mm allen wrench and one uses 5mm allen wrench. The 4mm
bolt (see picture) is used to attached the shifter to the shifter boss for installation into an aero bar. The 5mm bolt is used
to keep the shifter assembly in one piece. The 5mm bolt can be loosened to adjust the angle of attack of the shifter lever,
but should NEVER be removed. Removing the 5mm bolt can cause the shifter to come apart, this will ruin your day. If you
have disassembled the shifter please call Zipp’s technical experts. They can help you get the shifter back together.
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