The Bontrager R4 Hard-Case Lite Handmade Road Tyre is made using the same handmade process as tubulars. This mainly assists with suppleness and ride quality. The result is a race performance tyre with unparalleled road feel, whilst remaining incredibly durable. The Hard-Case Lite sub tread material protects against punctures in the peloton and up the hardest and sketchiest road climbs. The Bontrager R4 Hard-Case Lite Handmade Road Tyre is designed for racing and excels in criterium and road races. This is a classic tyre in appearance, but one that performs in the contemporary racing environment. Bontrager R4 Hard-Case Lite Handmade Road Tyre Features Lightweight, 320TPI, hand-built clincher Excellent for road and criterium racing Super supple polyamide synthetic fiber reinforcement for added casing strength Hard-Case Lite protects against punctures with superior, lightweight, sub-tread material