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Challenge Criterium Seta Ultra S 25 700c Tubular Road Tyre

£96.00 RRP £136.00
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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 Seta Ultra S 25 700c Tubular Road Tyre

The Challenge Criterium Seta Ultra S is a handmade tubular tyre, manufactured from high quality materials and using specialist techniques. This tyre features a premium silk casing and a puncture protection layer. Designed for road racing, where the supple nature of the natural rubber really comes into its own. An extra layer of uniquely-crafted fabric (PPS) with highly resistant properties sits between the casing and the tire to reduce the risk of punctures.


  • Use: Road Racing
  • Size: 700 x 25c
  • Tubular
  • Tyre sewn around a latex innertube
  • Internal Rim Width: 13-17mm
  • Weight: 270g
  • Casing: Silk
  • Flat protection: Puncture Protection Strip (PPS)
  • BAR: 7-12
  • PSI: 100-175