... For the wheel size, we have 10",12",14", 16", 20", 24", 26", 28" available, please advise ... , the tire size is 2.125; For 16" wheel, normally we send size of 2.125, but we also ... have size 2.5, so if you need size 2 ... e-bike. Motor Performance: 48V350WDimention520mm*380mm*190mmWheel2.125-16,2.5-16Brake systemFront/Rear disc(drum)/drum brakeColorBlack/ ...