A premium handmade natural rubber based sheath ideal for professional use. This is an all terrain cyclocross racing tyre with low rolling resistance and excellent grip.
The best all-purpose cyclocross tire ever created, it excels on wet and dry, soft, rocky and rooty trails, grass and more. The Grifo tire has fast rolling studs and a center section that offers excellent traction when pedaling and braking.
- THE PUNCTURE PROTECTION STRIP
The puncture protection strip is a special fabric placed between the tread and the tire casing to increase puncture resistance. - HAND-MADE
Hand-made tyres combine many features to create the most comfortable tyres with low rolling resistance.
Specifications:
Weight: 365 g
Suitable pressure: 2.1 - 2.7 BAR
Safety limit: 500 kPa
Dimension: 700 x 33 mm
TPI: 300
Challenge is a young and dynamic family brand that develops and manufactures handmade tyres for performance cyclists. In its own factory, Challenge uses the best sourced natural rubber combined with the finest silk, cotton, polyester and latex to handcraft unique tyres that are appreciated by seasoned professionals and enthusiasts of all levels.