IS41/IS52 Internal Sealed Bike Frame Headset Bearing Kit 41mm Upper 52mm Lower
Set of bearings only for a Tapered Frame Headset, as used on various bikes and styles.
41mm upper Bearing, 30mm internal, 6.5mm Thickness 36 degree angle52mm Lower Bearing, 40mm internal 7mm thickness 36 degree Angle.
Please check against your original bearings