CHALLENGE CORSA LATEX TUBES
Lightweight latex tube with removable valve cores, allows the use of either World Class or Tufo valve extenders. Latex construction provides lower rolling resistance than butyl tubes.
Available 700 x 19-23 with either a 48mm or 60 mm stem length. Weight 57 grams with 48mm stem / 59 grams with 60mm stem
WORLD CLASS & TUFO VALVE EXTENDERS
WORLD CLASS CYCLES LLC.
631 543-1835 / toll free (USA only) 877-WCC-BIKE