Headstock Bearings: BMW K100 K 100 RT (1983-1989) Aprilia MX125 32N-82310-M0 or 4JP-82310-00 on a

32N-82310-M0 or 4JP-82310-00 on a PW50 for all years and models

This set of taper roller bearings is designed to replace the original set of steering stem bearings on an R 100 CS for the years shown above

2008 & 2009

BMW K100 RT (1983-1989)

Headstock Bearings: BMW K100 K 100 RT (1983-1989) Aprilia MX125 32N-82310-M0 or 4JP-82310-00 on aBrand new set of headstock steering bearings to fit: BMW K100 RT (1983 1989). This set of taper roller bearings are manufactured to replace the original set of steering stem bearings on the 1983, 1984, 1985, 1986, 1987, 1988 & 1989 BMW K 100 RT. Top and bottom headstock bearings are included. Top bearing: 28mm x 52mm x 16mm. Bottom bearing: 28mm x 52mm x 16mm. Sizes are ID x OD x Depth. If you require different sizes please click here to see our full