JTA Innovations A406-B/R, Manual, Page: 41 / 59

You can now prepare your servo arms. Above is the provided double arm to
be added on to the aileron servo arm that comes with the servo. Using the
extension will provide the maximum amount of aileron throw. To join the two
arms, use carbon fiber rods as shown above and glue them in through the
holes lined up on each arm. It is important to use regular CA for this. You can
then cut each rod down to shorten them.