4 STAGIONI is a tire that knows no limits. Whether you’re hitting the road in summer or tackling wet and muddy surfaces, this tire is always ready. It combines exceptional durability with excellent riding comfort and low energy consumption—all thanks to its unique handcrafted construction and smart SMART HYDRO tread technology.
This Challenge TLR model represents the pinnacle of innovation in tubeless tires. Easy-Fit Shape technology guarantees easier installation, and XP protection ensures safety on any surface. Whether you’re a beginner or an experienced racer, 4 STAGIONI opens up new riding possibilities.
- Easier installation and maintenance
Easy-Fit Shape technology pre-shapes the tire for more intuitive installation, saving you time and eliminating frustration during initial installation and when repairing a flat on the road. - Exceptional grip in all conditions
The SMART HYDRO compound optimizes traction on wet surfaces, while the XP structure protects against cuts and ensures safety on rough asphalt and gravel roads.
- Handcrafted – uncompromising quality
- Protects the casing from bead to bead
- Compatible with hookless rims
- Super Polyester 260TPI casing
- Puncture and cut resistant
- Low rolling resistance
Specifications:
Type: Challenge TLR (Tubeless Ready)Casing: Super Polyester 260TPI
Sidewall protection technology: Gold Armor + Silver Armor
Tread: SMART HYDRO
Compatibility: Hookless Rim Compatible (hookless rims)
Recommended sealant: Challenge Smart Tubeless Sealant
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.


