Headstock Bearings & Seals: Kawasaki GPX750 GPX 750 (1987-1989) Honda CB450 The nut is 14mm x

The nut is 14mm x 1mm pitch

BMW  R 80/7 (1977-1984)

Honda CRF 230 F (2003-2014)

Should also fit Chinese copy PY50

Headstock Bearings & Seals: Kawasaki GPX750 GPX 750 (1987-1989) Honda CB450 The nut is 14mm xBrand new set of headstock steering bearings with seals to fit: Kawasaki GPX 750 R (ZX750 F) (1987 1989). This set of head stock bearings are taper roller style and have been manufactured to replace the original set of steering bearings on a Kawasaki GPX750R ZX750F for the years and models shown above. Top and bottom headstock bearings with seals are included. We also stock without seals, please see our other listings for these. Top sized ID25 x OD47