Characteristics Of The 1ST Gear -A- And 2ND Gear -B- Inner Races
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2016 Audi S5, 2015 Audi S5, 2014 Audi S5, 2013 Audi A5, and 2012 Audi A5. However, it is still accessible from the selected car via links, so may be relevant.
-A- the friction surface on the inside of the 1st gear inner race has a coating -arrow 1- and is conical.
-B- there is no friction surface on the inside of the 2nd gear inner race -arrow 2- and is cylindrical.