The Princess is the amazing new front hub from Tune. From the time it debuted at EuroBike several years ago, this hub has been sought after. Featuring a 17mm aluminum axle, carbon reinforced flanges, the Princess is the cutting edge of bicycle technology. When paired with the Tune Princess rear hub, the combination is among the lightest on the market. 107 gms. Available in Bue & red and 32, 28 holes.