Challenge Latex Inner Tube Size:700 x 28-35c *New low-profile design

*New low-profile design

Fitting almost any bike (does your bike require a Long Hook

tacky touch for ultimate grip in every condition

Machined aluminum barrel and piston

Challenge Latex Inner Tube Size:700 x 28-35c *New low-profile designChallenge 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.