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Challenge Criterium SC S 25 700c Clincher Road Tyre

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In 1990, Max Brauns was driven by a passion for hand-crafted performance tyres and moved to Thailand, where the World's best natural rubber (rather than artificially-produced petroleum-based rubber) could be sourced. In 2000, Challengetech was born.
Challenge Criterium SC S 25 700c Clincher Road Tyre

The Criterium SC S 25 is a handmade clincher tyre with the Challenge Corespun Cotton casing and a kevlar, folding bead. This tyre is intended for road racing. The SuperPoly casing is made from polyester and is designed for durability. The natural rubber used to make the tread provides superior grip. A layer of uniquely-crafted fabric with highly resistant properties sits between the casing and the tire to reduce the risk of punctures.


  • Use: Road Racing
  • Size: 700 x 25c
  • Clincher (not tubeless)
  • Internal Rim Width: 13-17 mm
  • Weight: 215g
  • TPI: 320
  • Bead: Aramid (Kevlar)
  • Casing: Corespun Cotton
  • Flat protection: Puncture Protection Strip (PPS)
  • BAR: 7.5-10
  • PSI: 105-145