CHALLENGE CORSA LATEX TUBES
Lightweight latex tube with removable valve core, allows the use of either World Class or Tufo valve extenders. Latex construction provides lower rolling resistance than butyl tubes.
Available 700 x 19-25 (road) with a 47mm stem length weight 57 grams / 700 x 29-38 (cross) with a 47mm stem length (cross) weight 72 grams
WORLD CLASS & TUFO VALVE EXTENDERS
WORLD CLASS CYCLES LLC.
207 219-8858 / toll free (USA only) 877-WCC-BIKE