Half grip twist throttle 22mm - To fit Revvi 12" + 16" + 16" Plus electric balance bikes Please note: This throttle will only fit bikes that have handlebars for 22mm inner diameter grips!Half grip twist throttle 22mm - To fit Revvi 12" + 16" + 16" Plus electric bikes£19.99PriceBike/Handlebars SelectQuantity*Add to Cart