This is a single axle with a hub that mounts to our 6" pneumatic tires. It is intended to be chain driven like in our IG42 DB and IG52 DB ATRs. The hub is welded to a steel 1/2" diameter shaft. Also see our Chain and Sprockets category.
ABS Plastic Multipurpose Enclosures w/ Card Guides 1591 Series
Flame Retardant, General Purpose, Flanged Lid or Bottom
1/4" Hex Size, 2" Length, 4-40 Thread Size