Continental Pure Contact Tire - 27.5 x 2.4 Clincher Folding BLK/Coffee/Graphite Reflex Vectran / PolyX Breaker E50Continental Pure Contact Tire 27. 5 x 2. 4 Clincher Folding Black Coffee Graphite Reflex Vectran PolyX Breaker E50. The Pue Contact tire was created for urban riders who want confidence to commute shop and explore. A cutting edge combination of Vectran and PolyX breaker technologies take protection to a whole new level alongside more sustainable manufacturing using responsibly sourced rubber and more natural materials. Built tough to ride smooth