Handmade tires - combine many attributes to create the most comfortable, low rolling resistance tires Superpoly Corazza Armor: Gravel-specific shell that uses a double layer of Superpoly for durability and stability PPS2: Puncture protection strip is a special fabric that is placed between the tire tread and the carcass to increase puncture resistance. Some tires designed for use on rough roads and gravel have an additional layer of protection between the casing and the inner tube. Warning: Clincher tires should be mounted with inner tubes only on hook-on rims (not hookless compatible). Challenge tires should not be mounted on wheels that do not meet ETRTO or ISO standards. Non -satisfied wheels can cut the tire housing above the heel, which would cause an explosive fault of the tire and p.
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