Black Battlestrider

The Black Battlestrider is a PvP mount that can be purchased for 15 from Lieutenant Karter outside the Champions' Hall in Stormwind City.

In Classic Era, gnome and dwarf players with a PvP rank of Commander or higher can purchase this mount for 100 from Lieutenant Karter in Alterac Valley, Arathi Basin, or Warsong Gulch.

Mount Journal

A properly accelerated gnome in battle is a thing of terrible beauty. - High Tinker Mekkatorque

Patch 9.0.1 (2020-10-13): Now requires level 17 (was 40) and Apprentice Riding (was Journeyman Riding for striders obtained after patch 2.0) to learn.
Patch 7.0.3 (2016-07-19): Now costs 15 .
Patch 4.0.1 (2010-10-12): Now costs 2,000 .
Patch 3.3.3 (2010-03-23): Now costs 50,000 (was 30 30 30 ).
Patch 3.2.0 (2009-08-04): Now requires level 40 (was 60, or 55 for striders obtained before patch 2.0).
Patch 3.0.8 (2009-01-20): Now usable by all Alliance races (was only usable by gnomes and dwarves).
Patch 2.0.1 (2006-12-05):
- Now requires level 60 and Journeyman Riding to use. Previously obtained striders are unchanged.
- No longer requires a PvP rank of Commander or higher to purchase.
- Now costs 30 30 30 (was 100).
Patch 1.12.1 (2006-09-26): Now requires level 55 and Apprentice Riding (was level 40 and Mechanostrider Piloting).
Patch 1.4.0 (2005-04-19): Added.