Summon: Bay Gelding

Summon: Bay Gelding is a skill that allows the summoning of a ride-able Bay Gelding mount which runs at a movement speed of 240.

Source
The Bay Gelding is learn-able by using which is obtainable via completing the quest, which rewards the player with a free Bay Gelding as a Valkyon Federation token of appreciation.

Reapers automatically receive the skill at character creation.