Challenge develops its tires in close cooperation with professional cyclocross riders.
The "Grifo" is a top all-rounder for anyone and was developed for all underground. Provides grip with very low rolling resistance.
By processing with silk is finer and still stronger bond
the carcass reaches with more flexibility and significantly more grip.
By more grip higher speeds when driving through curves are possible.He plays out particularly its advantages on very technical routes.
Silk has a stronger bond than cotton or polyester and is also softer and smoother driving behavior.
Puncture Protection System
Is a light and flexible extra layer which is incorporated under the tread to reduce the risk of breakdowns by thorns or stones.
Tyre Type: Tubular
intended use: CX
Size (inches): 700 x 33C
Size (ETRTO): 622-33
Recommended rim width: 15 - 19 mm
Density: 1000+ silk
Pressure: 1,6 - 6 bar (23-90 PSI)
Color: black tread with white edges
Note: The weights of the tires may differ from the manufacturer's specification.