... brake, please advise us before shipment.Product Information e-Scooter motor : Quiet and Reliable Brushless Gearless Hub ... : For 12" wheel, the tire size is 2.125; For 16" wheel, normally we send size ... tire, but we also have size 2.125, if you need size 2.125, please specify it to us ... Performance: 48V350W Dimention520mm*380mm*190mmWheel2.125-16,2.5-16Brake systemFront/Rear disc(drum)/drum brakeColorBlack ...