Genuine Shimano replacement axle nuts with rotating flange washers for Dura Ace 7710 and 7600 track hubs.

Of course, you can also use these on any track hubs having standard 9mm front and 10mm rear axles (which is most of them).

Sold in pairs.

Specifications

• hardened cro-mo steel 

• chrome plated

• thread size/pitch: M9 x 1.0 or M10 x 1.0

• washer OD: 20mm front, 22mm rear