TPI: 220.
Recommended Pressure:
27mm 65-95psi.
Puncture Protection: PPSGANZO.
Rubber Compound: SMARTPLUS.
Construction: Handmade.
Series: PRO.
Size: 700.
Width: 27mm.
Casing: SuperPoly - CORAZZARMOR.
Bead: Folding
Handmade construction - provide the ultimate in traction and ride quality.
SMART Compound - Specific tread compound for traction and durability.
SuperPoly polyester is a synthetic fibre stronger and softer than nylon and resistant to water. Challenge's SuperPoly casings are the more affordable handmade tyres.PRO series tyres are 220/260/300tpi depending on model. They are almost as supple as the Corespun Cotton but far softer than Nylon. The casing is impervious to water and so make the best value handmade tyres
PPS - Puncture Protection Strip is a special fabric placed between the tread and casing to protect against punctures but not hinder the flexibility or performance of the tyre.
Corazza Armor - Reinforced casing for gravel specific tyres utilising double layer 220/260TPI SuperPoly for durability and stability.