CHALLENGE 00537 : CHALLENGE Bicycle Tyre Gravel Grinder Pro 700X33 TR/TAN

This Tyre combines a fast rolling diamond center with aggressive shoulder knobs that only hook-up when the terrain gets soft, muddy, or a bit sketchy.

• Handmade Tyres combine many attributes to create the most comfortable and low rolling resistance Tyres


• Superpoly Corazza Armor: Gravel specific casing utilizing double Superpoly layer for durability and stability


• PPS2: The Puncture Protection Strip is a special fabric placed between a Tyre's tread and c asing to increase resistance to punctures. Some Tyred designed for rough roads use and gravel have and additional protection layer between the casing and the inner tube.


• Pressure: 2.5 - 4 BAR


• Safety Limit: 600 KPA

Warning: Tubeless Ready (marked TLR) Tyres can be mounted with or without inner tubes. TLR Tyres are designed to be used tubeless only with a sealant. Tyres are hook-less compatible according to ETRTO standards for rim width and pressures (max pressure 500kPa/5 bar/75 psi). This only applies to Handmade Tubeless Ready (H-TLR) Tyres from 33mm and up.