... pay it.For the wheel size, we have 10",12",14", 16", 20", 24", 26", 28" available, please advise us the ... disc brake, please advise us before shipment. Product Information e-Scooter motor : Quiet and Reliable Brushless Gearless Hub Motor Motor Specifications ... Control sensor5VMax torque36-60NmEfficiency82%Rotation per min300rpm-450rpmPhase angle120° 48V-14"*2.125-350W e-scooter motor