"Stack Heights for each cup are:
• Top and bottom cups are available separately allowing our headsets to fit almost any frame and fork combination
• Headset cups use custom made, replaceable stainless steel bearings to resist corrosion
• The cups are all machined from 2014 T6 aluminium
• Sealing is achieved through an adjustable taper ring cover and integrated rubber seal
• Available in black, silver, red, blue, purple and orange"