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Looking at the pictures I'm curious as to the fixing of the spur gear on the axle, the spur gear lying behind the chassis appears
to have the usual axle hole but the one fitted to the axle has a large collar (admittedly you can't see both sides) around an axle
spacer, i.e. NSR, you would have thought that a push fit spur is not going to take long before it spins on the axle, surely a
better arrangement would have been to produce a D shaped hole in the spur to slide on to a flat on the axle.

Regarding Jexy's comments re the motor heatsink I've been looking at PN Racing's alloy heatsinks (expensive) but can't
make my mind up whether or not they fit to the motor or the chassis surrounding the motor on the Mini Z cars.

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