Ready to run chrome plated 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 16cm. Item with approval. Note: 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.