Progress now offer the latest revolution – a wide U-shape rim design using ultra-strong lightweight DYNAMAL aluminium.
The SONIC DISC exceeds the aero performance and weight of many carbon wheels on the market giving you the flexibility of choice!
21mm tyre bed is the perfect size for modern tires from 25 to 32mm enhances aerodynamic, grip and increases rider comfort.
On these wheels you can also find our NITRO Ceramic Disc Center Lock Hubs straight pull with high precision low friction NITRO CERAMIC bearings which we’ve been testing over the last 2 years with excellent results and riders feedback.
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