This is not listed as an individual part number on any Hornby service sheets, as it is part of the wheel assembly. Gear width or thickness 1.6mm approx.
3D resin printed final drive gear to fit Airfix 14xx
To fit Bachmann class 158 3D printed replacement final drive gears
3D printed replacement final drive gears for Mainline / Replica Peak
Bachmann class 158 3D printed replacement final drive gears
3D printed replacement final drive gears to fit Heljan class 23
