MACK HUBS Superlight Track Vorderrad Nabe Niederflansch - Schwarz Sidepannel Bullitt while the PU cover reduces

while the PU cover reduces friction between the saddle and BIB to reduce the risk of chafing

The second stage optimally accommodates the sit bones

allowing the heel to rotate around the center of the pedal

regardless of the incline

1 pair of mounting screws

MACK HUBS Superlight Track Vorderrad Nabe Niederflansch - Schwarz Sidepannel Bullitt while the PU cover reducesMACK HUBS Superlight Track front wheel hub low flange, black MACK Hubs are still handmade, the boss himself manufactures them in Poland to the highest quality standards. MACK hubs are lighter than most railway hubs on the market and are still very resilient and stable. The CNC machined hubs are constructed from 7075 T6 aircraft grade aluminum, a material that is 300% stronger than the standard aluminum grades otherwise used in the bicycle industry.