TweetTR13 Straight Valve Tyre TubeStyle Number: TKV625from NZ$13.99 to NZ$60.95Size13 / 500 x 615 / 600 x 618 / 850 x 8300 / 350 x 4300 x 8400 x 8QuantityAdd to cartAdd to wishlistAdded to wishlistAssorted sized tubes with straight valves. TR13 pricewasnowsavefromtoapprox