• Triumph Bonneville Speed Twin Concept side

  • Triumph Bonneville Speed Twin Concept front 3/4

  • Triumph Bonneville Speed Twin Concept tank

  • Triumph Bonneville Speed Twin Concept clay model

  • Triumph Bonneville Speed Twin Concept tank emblem

  • Triumph Bonneville Speed Twin Concept side

  • Triumph Bonneville Speed Twin Concept with Roy Norton and Tom Kasher