Continental Race 28 inner tube (20-25mm width) Presta valve choice of 42/60/80mm The inner core is removable. The recommended tyre sizes to suit this tube are: 700 x 20c to 700 x 25c Features: Presta valve Designed for 700c wheels and tyres ranging from 20-25mm in width Perfect for training or racing All tubes have a seamless construction with a mould-cured vulcanization, to ensure uniform roundness Weight: 42mm 102g PLEASE NOTE THE 42MM AND 60MM VALVE VERSIONS ARE THREADED, THE 80MM IS SMOOTH
