The Steed Stone (Skyrim)

The Steed Stone is one of the thirteen Guardian Stones in Skyrim which are similar to the Birthsigns in Oblivion. The Steed gives a bonus of 100 extra carrying capacity and no movement penalty is received by armor. Armor also has 0 weight when equipped.

The stone is located directly north of the Statue to Meridia and west of Solitude.

And it is also useful for anyone who tends to carry a lot of equipment with them or who needs to level up there Heavy Armor Skill but feels Heavy Armor slows down your weapon strikes.

The Steed Stone is located near to Fort Hraggstad which you are ordered to clear the fort out in order to join the Imperial Legion. This Quest is called "Joining the Imperial Legion"