Headstock Bearings: BMW R100 RS Mono (1986-1992) Aprilia RX125 Top sized: 28mm x 52mm

Top sized: 28mm x 52mm x 16mm

Yamaha YBR 125 (43BG) (2018)

BMW K 1100 LT (1989-1999)

All sizes set out ID x OD x Thickness

BMW K 1100 RS (1992-1996)

Headstock Bearings: BMW R100 RS Mono (1986-1992) Aprilia RX125 Top sized: 28mm x 52mmBrand new set of headstock steering bearings to fit: BMW R100 RS Mono (1986 1992). This set of taper roller bearings is designed to replace the original set of steering stem bearings on an R 100 RS Mono for the years 1986, 1987, 1988, 1989, 1990, 1991 & 1992. 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