V-Twin Mfg. Hardware & Rear Axle Kit For Harley Sportster Features: All chromed including the hardware Axle shafts are machined from heat-treated Chrome moly steel, triple step chrome-plated, then machine polished and ground to a finish tolerance of + or -.0005 Rear axle nuts are welded to the shaft with a full weld penetration, then machined smooth before final machine polishing and plating Axle is 3/4 diameter Replaces OEM 41110-89