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Correction: Scientific Generics.

They can be fitted out with 4QDs porter controller range, with either a compatible hall throttle or a 5k pot magura twist grip throttle. You can also order them with a modified DNO heatsink, ( a DNO is a simular controller to the Porter, but with reverse) to fit the original Scientific Genetics...

For future reference, PDQs standard hubs are single clutch and 150 watts.