Lightweight road, time trial Triathlon and track tube for 700C wheels
Unitube size fits 20 - 25 mm sections
Butyl rubber with Continental quality construction
Weighs only 80 grams
80 mm long Presta valve for deep section rims,negates the need for valve extenders
All tubes have a seamless construction, with a mould-cured vulcanisation, to ensure uniform roundness