Summon: Fast Bay Gelding

Summon: Fast Bay Gelding is a skill that allows the summoning of a ride-able Fast Bay Gelding mount which runs at a movement speed of 270.

Source
Post-Patch 19.04.02: this mount is no longer buyable from Haines, nor is it purchasable from the item shop

Pre-Patch 19.04.02:The Fast Bay Gelding is learn-able via which is obtainable by purchasing the manual at the price of  from  in, the same NPC which sells the normal version of this mount,.