The wheels are nickel and there is the facility to add extra pickup from a second bogie. For maximum efficiency, the weights must be added to ensure good electrical pick-up.
Tenshodo HO Gauge Coreless Power Truck 24.5S 10.5 Spoke Wheels 05016 Model Train
Tenshodo 5016 Ho Gauge Coreless Power Truck 24.5S 10.5 Spoke Wheel Japan
Tenshodo Ho Gauge Coreless Power Track 24.5PII 10.5 Plate Wheel 05006
Tenshodo/Hanazono motor-bogie for OO/HO trackwork, 12v DC.
Coreless motor upgrade for Bachmann Skarloey 009