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. - Compatible with Shimano Rear 10mm x 1 axle - Shimano Rear Cone - Cone Wrench Size: 15mm - Threads: 10mm x 1 - Diameter: 16.9mm - Length: 15mm - 1 cone per bag Note: O-ring / seal not included. Check the seal groove closely. This cone has a narrower groove than cone CN-R002. COMPATIBLE HUBS: - 105 FH-5700, 9 speed (right side cone) - 105 SC 1051, 7 Speed Rear - RX100 A551, 8 Speed Rear - RSX 410, 7 Speed Rear - Deore LX M550, 7 Speed Rear - Deore Mtn LX M550, 7 Speed Rear