Challenge Latex Inner Tube Size:700 x 33-40c LONG LASTING: Made from durable

LONG LASTING: Made from durable Aquatuff® material designed to resist the damage from chlorine and sunlight (53% Polyester

Unique features include an innovative folding pivot to store and fold with ease

rubberbands or electrical tape needed to secure system: 2-Bracket design simply clips on and cleanly Velcros down to aerobars

It’s been hard work but it’s been very worthwhile

These wedges are designed to create a tilting option for aerobar brackets that do not offer the option to tilt

Challenge Latex Inner Tube Size:700 x 33-40c LONG LASTING: Made from durableChallenge produces the only seamless 'one piece' latex inner tubes on the market providing a smooth, balanced ride with no pucker or bump like those found on other tubes. Latex tubes are lighter, thinner and more flexible than a butyl tube, increasing your comfort, lowering your rolling resistance, and helping to prevent flats. The tube also includes a removable core Presta valve making them compatible with both inline and external valve extenders.