The Strada is an extremely comfortable road bike tire that scores on both poor trails and extended tours.
Range of use:
All-rounder for training on the road.
Race-Series Vulcanized Clincher with nylon carcass.
Vulcanized tires made of natural rubber score with a very good price-performance ratio and high durability at the expense of comfort and performance. Nylon is a carcass braid that is available in three main thread sizes - 33, 60 and 120 TPI (threads per inch) - and is wrapped around a wire bead or the aramid bead. The nylon braid is dipped in a bath of butyl rubber and then calendered (squeezed) between large steel rollers to produce the finished carcass. In bicycle tires, nylon offers a premium cost-benefit ratio due to its low price and comparative ease of processing.
Vulcanized synthetic rubber
To combine high durability with good riding characteristics, synthetic rubber is boiled and hardened. The result is Challenge's Vulcanized Clinchers: easy-running tires with high grip and good comfort at an affordable price.
Puncture Protection System (PPS)
The PPS (Puncture Protection System) puncture protection system consists of one or more layers of fabric between the tread and the tire carcass. PPS significantly increases the tire's resistance to punctures, thereby providing maximum reliability.