A set of 4 3D resin printed final drive gears to fit the Heljan Class 23. Listing is for a set of 4 gears to re-gear one locomotive
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 Mainline Warship Final Drive Gears