Yep, the second you have would match the c record cranks better. Not sure if you are planning for a correct period built, but in this case would be ideal.
not 100% period or C-Record yet, but trying to accumulate a few c record bits... still looking to trade my NOS 32h Omega Vs for some 36s or similar... I have a lead on some hubs etc, just wanna shift some other bits before spending any money
Yes, it's gran sport. the difference is in the upper adjusting nut (below the locknut) not being hexagonal
http://velobase.com/ViewComponent.aspx?ID=CEDE0815-97C2-442E-B59E-8CD382D2059B&Enum=111&AbsPos=0
I'll probably end up using the Record headset I have to be honest looks like this