Kyosho IF406-43 43T Ring Gear Inferno MP9 Receivers Snaps into any N scale

Snaps into any N scale Unitrack layout with UniJoiners

Hex Size: 12mm

Four Aluminum Spacers

Ford Focus RS body

Kyosho IF406-43 43T Ring Gear Inferno MP9 Receivers Snaps into any N scaleA 43 tooth ring gear for Kyosho's Inferno differentials. The ring gear is the large bevel gear inside the diff that the pinion drives, and together the pair set the internal gear ratio of that differential. On a 1 8 scale car this is a serious load bearing component: all of the drive to that axle passes through the mesh between two bevel teeth at any given moment, and the tooth form has to stay exact for the diff to run quietly and last. Ring gears