Ready to run black powder coated wheel that is built with 48 chrome plated 8mm diameter steel spokes & nipples; a steel rim and an aluminum hub. Wheel is pre-sealed and suitable for tubeless tires. 1" ID roller bearings are pre-installed and the brake rotor/pulley flanges come in H-D style mount pattern with 56mm center. Rear wheel is 3/8-16 UNC threaded on the brake rotor side and 7/16-14 UNC threaded on the sprocket side. Total hub width 19cm. Note: Wheels come with approval for the years and models as stated; use in other model years or custom applications will void approval. Check your local MCS dealer or the MCS sales department for exact type of approval and validity on bike model and years on the test report.