5 V2 as a direct replacement

and nostalgia

Traxxas 8989 Output Gear Center Differential Hardened Steel (2) Maxx

The one-way bearing is a key part of the starting system

Bachmann 92423 G Scale EZ Riders w/Ball Bearings (4) Rustler Parts 5 V2 as a directBachmann 92423 G Scale EZ Riders w Ball Bearings (4) Make your G scale trains roll like never before with Bachmann's EZ Riders featuring ball bearings. The ball bearing design dramatically reduces rolling resistance, letting your locomotives pull longer trains with less effort a real advantage on garden railways with grades and long mainline runs. With four per pack, you have what you need to upgrade your large scale rolling stock for smoother,