For the discerning big wheel riders halo freedom disc auralite nb a special alloy rims mated to the high specification sealed bearing halo spin doctor hubs tough enough for all but the knarliest dh course light and responsive enough for any singletrackthe front halo spin doctor hub features a universal qr20mm axle systemhalo 28mm freedom disc rims with eyeletsblack ed 14g spokes and black nipplesuniversal qr20mm sealed bearing halo spin doctor front hub32 plain gauge spokesfront inc qr ty