outside toothing wheel side: 21 Guarantee : 2 years Length [mm]: 628 Thread Size: M20X1.5 Outer gearing wheel side: 21 O-ring diameter (mm) : 52.3 Number of Teeth. ABS ring: 44 ABS Ring Ø [mm]: 85.2 New Part Wheel-side joint diameter [mm]: 82 Tripod Roller Diameter [mm]: 30