Originally Posted by
turkeybrain
On the topic of axles and wheels, it seems that the S2 and S2A ran 9/16 BSF (~14.28 mm major diameter) wheel studs, and S3s ran M16 studs. From what I can tell from notes online and from experimenting with the rims and hubs I have on hand, it seems that both stud sizes worked on the same rims. Can somebody confirm this is correct, as that seems utterly bizarre to me! I believe the rims I should be running to suit either studs are 272309, where would I find this number stamped on the rim? I recall being shown ~10 years ago, but the specifics are no longer in my memory.