Headstock Bearings: Honda XR300 XR 300 (2010) Suzuki GSX550 To replace OEM 21121-1038 and

To replace OEM 21121-1038 and or 21121-1039 on Kawasaki Z1100 or KZ1100 as it's sometimes known

They may also replace other K75 models

Suzuki GW 250 Inazuma L2-L4 (2012-2014)

Yamaha FZR 750 OW01 (1989-1990)

A sensible upgrade for a reasonable price

Headstock Bearings: Honda XR300 XR 300 (2010) Suzuki GSX550 To replace OEM 21121-1038 andBrand new set of headstock steering bearings to fit: Honda XR 300 R (2010). This set of head stock bearings are taper roller style and have been manufactured to replace the original set of steering bearings on an XR300 for the years and models shown above. Top and bottom headstock bearings. Both sized ID26 x OD47 x WTH15. All sizes in mm