* ONE Crowned Drive wheel. The drive wheel measures 4″ in diameter and 2.25″ in width. It has a 5/8″ bore with a 3/16″ keyway cut into it. 1/4-20 x 1/2″ set screw is included. DISHED SIDE FACE.
* ONE Crowned Tracking wheel. The tracking wheel is 3″ in diameter and 2.25″ wide. The 3 bearings are removable so that they can be replaced when they wear out. The bearings have a 1/2″ bore. This wheel is crowned, it does not have a sharp v. WE INCLUDE A 3/8″ WIDE STANDOFF
* TWO Idler Wheels. 2″ diameter and 2.25″ wide. The 3 bearings are included and have a 1/2″ bore. WE INCLUDE 2X 3/8″ WIDE STANDOFFS.