John’s stainless road disc
This is the third bike I have built for John over the last ten years – his position means he is best served by a custom frame. For this one he asked for something similar to his first bike, but modernised with disc brakes, wireless shifting and more tire clearance.
The lightest steel tubing currently available (due to the high strength of the alloy, it can be drawn to a thinner wall) is Reynolds stainless steel 953 – this is used for the front triangle, with Columbus s-bend XCR chainstays and custom formed seatstays. After fabrication the frame was then polished, before being masked off for partial paint by Colorworks.
The US-made carbon fork is from Allied, plugging into the frame with a custom EC headset. A selection of lightweight parts from THM, Carbon-Ti, Princeton Carbonworks and Enve help the complete bike weigh in at 15.7lbs.
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English Cycles is Rob English, 
winner of Best in Show at the 2013 North American Handmade Bike Show. Custom bicycles built in Eugene, Oregon, USA since 2009.
Hey rob
Nice functional but stylish bike as always
Really curious about your EC headset cups
Find it a nice way to not get the oversized look head tube compared to the rest of tubing
What bearings dimensions and brand model quality do you fit in these ?
Asking because big chris king king no thread, inset headset fans
I really like the maintenance and not throw away aspect bearings of them
Are the bearings you use on this available by chris king ? Or are they throw away kind of bearings ?
Thanks
Have a good day
Chris King bearings are only produced as part of the headset, and so cannot be fitted into a different cup. And the CK headset is not compatible with a carbon fork with an integrated crown race. I designed my cups around Cane Creek spec bearings – but the sizes used are available from various manufacturers, so for example a stainless bearing could be used from Cane Creek or Enduro, and that bearing can then be serviced rather than thrown away.
thanks, Rob.