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The Pirelli P Zero Race 4S Road Tire is the successor of the famous P Zero Velo 4S — a further evolution of Pirelli's best-selling all-season tire. The new Smart EVO compound enhances performance on wet, cold tarmac, while the new TechBelt construction continues to provide the handling and race feel that made the P Zero series famous worldwide.
A slightly thicker tread improves durability, making it the ideal solution for year-round riding without compromising a supple, race-ready ride feel.
The new Pirelli P Zero Race 4S utilizes a SmartEVO compound, the most advanced racing formulation for road use, born from Pirelli's experience in motorsport development and collaboration with factory World Tour teams. Pirelli's SmartEVO compound is an exclusive feature of the P Zero series.
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The product weight specified is an approximate weight based on the manufacturer's specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.
Tire Type: Clincher-Folding | |
Threads Per Inch: 120 | |
Wheel Size: 700C/29" (ISO 622) | |
700 x 26mm - Black | Weight: 240 grams |
Tire Width: 26mm (1.0in) | |
Mfg PartNum: 4203200 | |
700 x 28mm - Black | Weight: 260 grams |
Mfg PartNum: 4203300 | |
Tire Width: 28mm (1.1in) | |
These P Zero Race 4S tires were designated 26c. But they were just 24 mm wide when mounted on Dura-Ace WH-R9100 C40 rims. Measured with a digital caliper. They replaced a prior model - the P Zero Velo 4S in 25c. Those tires were 26 mm wide when mounted on the same rims. I had wanted to go a bit wider but instead got the opposite. To be fair, the prior tires had outstanding performance. Just unhappy that Pirelli changed their sizing.
I have been riding the Pirelli Velo 4s 28s for the last 2 years. I have been very happy with them and was looking forward to the new Race 4s. As I mounted them on the wheels this morning I was surprised by how narrow they are. They look more like a 26 than a 28. I am looking forward to riding them later this week and will update this review. BTW, they mount up pretty easily so no sore thumbs or pinched tubes.
P 4S feels soft and grippy to the touch as all faster tires do. Mounts easier than most new tires and rolls very quiet and smooth. Does stop well on wet pavement. May be best option for training and fast group rides . The 28mm is on the small side of 28s. It is only 68mm laying flat and appears 1.5mm smaller than a GP5000 x 28mm mounted on a HED rim. I find this smaller 28mm a sweet spot for a smooth fast tire.
