Tune Nano Gravel 45TUNE wheelset 28" Gravel Nano 45 Standard Bearings black Ready to ride something different Ready for something new? This is the motto under which Tune is launching premium gravel wheels onto the market. Gravel nerds have had to wait a long time for this and are now rewarded for their patience. With the wide, high quality carbon rims, the lightweight Nano hubs and the proven Sapim CX Ray spokes, no compromises have been made and you can plunge into