Progress now offer the latest revolution – a wide U-shape rim design using ultra-strong lightweight DYNAMAL aluminium.
The SONIC exceeds the aero performance and weight of many carbon wheels on the market giving you the flexibility of choice!
21mm wide tyre bed enhances cornering grip and increases rider comfort.
On these wheels you can also find our NITRO 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.
|Rims:||Wide Clincher for 25-28mm tires
Aero AL7000 aluminum with CNC brake surface, Progress Tubeless ready design.
Matt black anodized with high resistant transfer graphics.
External width: 25mm
Internal width: 21mm
|Hubs:||Turbine Nitro Oversize hub body CNC made of AL7075 super lightweight, Straight pull for a stiffer wheel and better aerodynamic.High precision Japanese CERAMIC bearings with low friction. CNC alloy cassette body Shimano/Sram 10/11S.|
|Spokes:||SAPIM Aero CX-Ray Straight Pull, 18F and 2:1 rear wheel spoke ratio (18:6).
Hand Built with alloy nipples and secure lock.
Matt black with black transfer graphics