For a 19T brushed equivalent? That'd be a 10.5T brushless motor.
I'd go with either a Tekin RS (the non-pro version), if you can afford it, or a Speed Passion GT2.0, for a more reasonably priced set-up.
The Tekin is useful in classes where 'slower' motors are used (10.5 or 13.5), as it has a boost setting, where the motor's timing is increased after about half throttle/revs, which makes it look a little like it has two gears, and can really give you an edge.
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