High flange design available in 28, 32 or 36 hole drillings. Standard 9x1mm axle in the front and 10x1mm axle in the rear. Over locknut dimensions: front 100mm, rear 120mm. Sprocket threading: ISO. Lockring threading: 1.29" x 24tpi. The rear hub is threaded for a sinlge sprocket and lockring Lockring included Sold as a pair