SHIMANO Dura Ace HB 7710 Front Track Hub Small Flange

Borozon treated races with stainless steel ball bearings
Solid chromed steel axle with flanged axle nuts
Rear: flip-flop threaded for track cogs on both sides (includes 1 lockring)
203g/298g
100x142mm

Original Shimano parts guarantee that all components work perfectly for optimum performance and maximum safety and longevity.