We sold our 2003 Godwing trike last November. We recently bought a 2012 Goldwing with the California Side Car Viper kit. It came with the 17 inch wheels with the low profile tires. I have had some problems with vibration when I reach 69 MPH. The dealer told me I could bring it back and he would put the chrome 15 inch wheels on it. We called California Side Car and they recommend using the 15 inch wheels. Does anyone have any pros or cons with the 17 inch low profile tires?