Challenge, Seamless Latex Inner Tube, Tube, Presta, Derailleur P ZERO™ Race SL-R is

P ZERO™ Race SL-R is the latest and most advanced tire in the P ZERO™ Race road-racing range

with a higher cut mesh waist

XDR Freehub

Rally power meters have undergone rigorous testing to ensure total reliability

yet your bottles are easy to retrieve and insert

Challenge, Seamless Latex Inner Tube, Tube, Presta, Derailleur P ZERO™ Race SL-R isChallenge 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 Includes a removable core Presta valve making them compatible with both inline and external valve extenders