Robinson Racing Products 1219 Extra Hard 19T Mod 1 with 5mm Bore 22X-4 Blackened center rail

Blackened center rail

CNC Machined

and general bashing

1/16" - 1/8" (1 mm - 3 mm) in length

Athearn HO Scale 89533 50' Combo Door Boxcar British Columbia Railway BCOL #40476

Robinson Racing Products 1219 Extra Hard 19T Mod 1 with 5mm Bore 22X-4 Blackened center railRobinson Racing Products 1219 Extra Hard 19T Mod 1 with 5mm Bore Robinson Racing Extra Hard Steel 5mm Bore Mod1 Pinion gears were developed for 1 8 scale applications and fit most 1 8 scale nitro spur gears perfectly. They are available in a variety of tooth count options to fine tune the torque and top speed of your model. Package includes one pinion gear and one 4x4mm set screw.