My 2c on BB shell width... it is possible that it was once BSA threaded, but the threads were stripped. If that happens it is fairly common to hone out the BB shell and re-tap with Italian threads - I have a Holdsworth with this exact BB shell config.
My 2c on BB shell width... it is possible that it was once BSA threaded, but the threads were stripped. If that happens it is fairly common to hone out the BB shell and re-tap with Italian threads - I have a Holdsworth with this exact BB shell config.