novak only has 19T and 27T equivalents ...
novak pro series motors
SS10.5 Pro Brushless Motor is 10.5 turns, and similar to a 19-turn brush motor
SS13.5 Pro Stock Brushless Motor is 13.5 turns, and similar to a 27-turn racing stock brush motor
but this new motor from LRP / Nosram is equivalent to 23T (though not yet available in our lhs) ...
eraser brushless motor
13.5 turns = 23 turn brushed rating
22,320 RPM @ 7.2V
3,100 specific rpm per volt, kv
155 W power @ 7.2V
order no. 50370