The Shimano Dura-Ace HB-7900 Front Hub improves rigidity for efficient power transfer and quick handling. The bearings have been updated with a new tool-free bearing adjuster for quick bearing adjustments.
Click adjust system: for quick and easy adjustment by hand without use of tools
High axial rigidity: enhanced rigidity for better rotation and when quick release is tight
Hub Spacing: 100mm Spoke Drilling: 32 hole Weight: 125 g. Skewer Included