


Shimano Ultegra HB/FH RS770
* Ultegra-level road thru-axle disc hubs* Cup-and-cone bearings* Steel freehub body* Aluminum axles* 302 g rear, 125 g front







* Ultegra-level road thru-axle disc hubs* Cup-and-cone bearings* Steel freehub body* Aluminum axles* 302 g rear, 125 g front


