I will guess Whitworth. I had a beater Super Course MKII that would only fit an adjustable wrench on the original seatpost binder bolt. Neither metric nor English box ends would fit.
Doug Van Cleve Chandler, AZ USA
On 7/22/07, Jerome & Elizabeth Moos <email@example.com> wrote:
> Finally reassembling a 1974 Raleigh Competition which I spent many months restoring. The headset is an old English-made one, TDC perhaps. I find none of my headset wrenches fit it, not the 36, 32 or 40 mm. Did these headsets use English-size wrenches, or maybe Whitworth?
> Jerry Moos
> Big Spring, TX