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The 4 STAGIONI is always the right choice, whether your roads are smooth and dry or wet and filled with debris. More than just a great summer tire with incredible XP casing protection, the SMART HYDRO tread compound makes it perfect for all four seasons.
This handmade XP Series tire combines a supple, bead-to-bead reinforced Super Polyester casing with our SMARThydro tread compound, optimizing wet surface traction. Our new Easy-Fit Shape moulding process gently pre-forms the tire for easier mounting and inflation.
This Challenge TLR model is Hookless Rim Compatible.
For perfect tubeless setup use Challenge Smart Tubeless Sealant
4 STAGIONI XP - Handmade TLR
Key Features
CONSTRUCTION: Handmade
Challenge handmade tires combine comfort, performance, and grip in a way other tires can't match. Our handmade tires are assembled step-by-step by experienced craftspeople. High quality natural glues and latex coatings are applied to ultra-supple casing materials like silk, cotton, or polyester. The result is a small-batch tire with a ride feel that is simply on a different level.
SERIES: XP (Xtra Protection)
Rugged High Performance – Extra Protection under the tread and in the sidewalls make XP the choice for rough pavement and gravel routes where sidewall cuts are common.
CASING: Super Polyester 300TPI
Super Polyesters with higher thread counts of 220-300tpi make up our most affordable handmade casings. Polyester is much softer and stronger then nylon, is impervious to water and quite durable.
COMPOUND: SMARThydro
The same low rolling resistance of our SMARTprime compound with improved wet-weather grip. SMARThydro forms the basis of our most versatile tires.
CASING REINFORCEMENT: Silver + Gold
Gold Armor combines the Silver Armor sidewall reinforcement with a bead-to-bead internal casing layer that provides the ultimate resistance to damage.
Technologies
Challenge Tire FAQs
Selecting a Road Tire
Which is the best blend of speed, rolling resistance and durability for my riding? You can learn more about our Road Line here: Selecting a Challenge Road Tire
Selecting a Gravel Tire
Which model is best for the terrain you ride? You can learn more about our Gravel Line here: Selecting a Challenge Gravel Tire
Selecting a Cyclocross Tire
Which tire is best in sand, snow or mud? You can learn more about our Cyclocross Line here: Selecting a Challenge CX Tire
Are Challenge TLR Tires Compatible with Hookless Rims?
The following Challenge TLR tires are compatible with ISO/ETRTO-compliant hookless rims:
• Getaway RACE Series TLR tires
• All Handmade TLR tires in sizes 33–45C
• All Criterium RS TLR sizes
Are Challenge Tires Difficult to Install?
A tight fitting TLR tire is critical for holding air and keeping the tire on the rim. You can find mounting videos for TLR and Tubulars here: Mounting Instructions





