Garmin TACX NEO BIKE PLUS Owner's Manual page 15

5 Adjust the saddle setback, and secure the M12 x 25 handle
The maximum setback distance is 15 cm.
6 Use the 8 mm hex key to remove the set screw from the saddle post.
7 Adjust the saddle height, and secure the M16 x 22 handle
The maximum saddle height is 26 cm.
8 If necessary, use the 5 mm hex key to adjust the saddle angle bolt
Tacx NEO Bike Plus Assembly Instructions
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