2nd dibs fly (prim robot emailed me a couple of days ago)
@Poodles - not sure on the shimano BB - gut says no. The spindle from the cup and cone BB has a circular cross section with a flat section for the cotter compared to the square section of the shimano.
Quick update....
On the carlton
@Poodles - not sure on the shimano BB - gut says no. The spindle from the cup and cone BB has a circular cross section with a flat section for the cotter compared to the square section of the shimano.