Quarq

TyreWiz for Zipp 303 Firecrest Disc Brake Wheel - Fits 40mm Rim Only

The TyreWiz tire pressure sensor was designed to monitor air pressure in real-time, and relays the information to a cycling computer or smartphone. The TyreWiz app uses that data to deliver personalized recommendations and pressure alerts, helping riders maximize traction, tire wear, and rider comfort.

• Compatible with Presta-style valves that have a removable valve core
• iOS and Android smartphone app displays personalized recommendations, current tire pressure, and provides low/high pressure alerts
• Lightweight, durable, and powered by a long-lasting user-replaceable coin cell battery