A good quality ball bearing alloy and chrome steel headset in polished silver. The JIS size has a 27.0mm crown race and 30.0mm cups, which fits certain older Japanese bikes. 41mm stack height, about 115gms.
This headset will fit old American bikes like Schwinn, Huffy and Murray. - Inside diameter is 21.1mm - Steel cups - Steel retainer bearings - Steerer Dia: 25.4mm - Cup Dia: 32.5mm
Excellent value in a steel headset, using 5/32" ball bearings. Stack height: 33.4 mm Weight: 149 grams 26.4mm Crown Race
Excellent value in a steel headset, using 5/32" ball bearings. Stack height: 33.4 mm Weight: 149 grams NOTE: This set is not "full JIS". The cups are 30.2mm - not 30.0mm. These are probably fine for low-end bikes with 30.0mm headtube I.D. The chances of damaging the headtube are very slim. 27.0mm Crown Race 30.2mm cups
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