Steering joint specifications:

 Ø A (mm): M20 x 1.5 (LH)
 Length: 185mm
 Ø B (mm): M18 x 1.5 (RH)
 Inner side thread Ø A: M20 x 1.5 mm (LH)
 Length: 185 mm
 Outer side thread Ø B: M18 x 1.5 mm (RH)