vittoria introduces lightweight, high-speed bicycle inner tubes made of thermoplastic polyurethane (tpu)
latest:vittoria spent a year researching materials and production last year in an attempt to produce a new generation of lightweight inner tubes. via the bike company’s latest product – ultra light speed, which it claims has achieved this goal. compared to vittoria’s standard butyl innertube, the new tube is 70% lighter, 14% faster and 57%…
