3/4" Sealed Bearings Set for Harley-Davidson Big Twins and Sportster Wheels Hubs Set of Two Wheel Bearings 3/4" I.D. Fit Front and Rear wheels on Harley-Davidson, Indian, Custom choppers and many other motorcycles with 3/4" axles. All Big Twins and Sportsters (except FLT front) Inner diameter - 3/4" (0.75") Outer diameter - 2-1/16" Thickness - 13/16" Rubber seals for protection from dirt and elements. Brand New. *Product ID = 3619