length (mm): 623 number of teeth. ABS ring: 26 Guarantee : 2 years Length [mm]: 624.5 Thread Size: M20X1.5 Outer gearing wheel side: 21 O-ring diameter (mm) : 49 Number of Teeth. ABS ring: 38 ABS Ring Ø [mm]: 84.7 New Part Wheel-side joint diameter [mm]: 83 Tripod Roller Diameter [mm]: 30