Great for texting

The Industry’s Strongest

When you depend on your bike to get around town reliably

with a carbon composite sole for efficiency when you're pedaling and a SlipNot™ rubber outsole for traction when you're not

Hard-Case Lite protection keeps punctures from interrupting your base miles or making you late from work

Continental Grand Prix 4000 S II Folding Tire Size:700 x 25 Great for textingThe Grand Prix 4000 S II is the ideal combination of comfort, puncture protection and low rolling resistance. It's the perfect all rounder for all conceivable conditions with excellent puncture protection thanks to Vectran puncture protection and BlackChilli's high mileage rolling efficiency. Transparent Sidewall: The tire sidewall is left without the outer most rubber layer so the casing ply is visible. The bare casing ply gives the tire sidewall a