Wheels Manufacturing cones are precision machined to Shimano Ultegra or higher quality standards. This ensures that our cones fit correctly, run smoothly and have a long service life. – Fits: JoyTech, Joy U, KK 9mm x 1, front hub – Compatible with 9mm x 1 axle – Cone Wrench Size: 15mm – Threads: 9mm x 1 – Diameter: 15.0mm – Length: 12.8mm – 1 cone per bag – Note: O-ring / seal not included. COMPATIBLE HUBS: – JoyTech, Joy U, KK 9mm x 1, front hub – Taiwanese front hubs with 9mm x 1 axle