No idea. I figured there's no cups so it wouldn't just be a bearing sat on the crown.
Would this work then? http://www.wiggle.co.uk/lifeline-1-18-1-18-integrated-headset-carbon-cap/?lang=en&curr=GBP&dest=1&sku=5360670931&kpid=5360670931&utm_source=google&utm_term&utm_campaign=UK_PLA_Components&utm_medium=base&utm_content=mkwid%7Cs1y6SvyjN_dm%7Cpcrid%7C67090789382%7Cpkw%7C%7Cpmt%7C%7Cprd%7C5360670931uk
Smooth rolling ACB Sealed Bearings - NHB (OD 41 x 45° x 45°)
Not sure those are the right angles. It's the same standard across the 5,6,7,8,9 frames so googling 'headset for CAAD [number]' will provide the proof.
@Howard started
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No idea. I figured there's no cups so it wouldn't just be a bearing sat on the crown.
Would this work then?
http://www.wiggle.co.uk/lifeline-1-18-1-18-integrated-headset-carbon-cap/?lang=en&curr=GBP&dest=1&sku=5360670931&kpid=5360670931&utm_source=google&utm_term&utm_campaign=UK_PLA_Components&utm_medium=base&utm_content=mkwid%7Cs1y6SvyjN_dm%7Cpcrid%7C67090789382%7Cpkw%7C%7Cpmt%7C%7Cprd%7C5360670931uk