New
Wheel:
Diameter: 43mm
Width: 19mm
bore diameter:Type D,3m
(you can directly use 2.5mm directly (bias) or 3mm axis (need expand hole) if no strictly request)
Motor mount:
Height : 11mm
Width : 25mm
Material: high quality plastic
Special Note: only for HM N20 series motor .
(This motor rpm is 30/min, 70/min, 150/min and 500/min, please choose the one you want,thanks)
Product Details:
