Grifo ProDescription The Challenge Grifo Pro Handmade TLR is the classic all round cyclocross tire that racers trust when conditions can be anything. Its unique center chevrons and evenly spaced side knobs deliver the perfect balance of speed and predictable cornering whether the course is dry fast tacky or lightly muddy. The handmade casing gives the tire exceptional suppleness for more grip and less fatigue while the tubeless ready construction keeps things