Wheel Master Rear QR Hub Axle Set Cro-Moly hollow steel axles 10mm x 1mm thread. Fits rear hub with 130mm spacing, total length 141mm. Cones have 17mm diameter, 15mm adjusting flats. Outer locknuts have 17mm flats. Each set includes 1 axle, 2 locknuts, 1 spacer, 2 washers, 2 cones. Made in Taiwan This item is new.