Originally Posted by Walkercycles
1st oversize ( 1.25 down 1.125 top) with 74.5 angles if i am not mistaken.
They really are smooth lines, remind me of my 83 Nagasawa NJS hanging in my shop.
I have a friend who is trying to get me some Kaisei tubing from Japan, if he is successful, I will use it with those lugs.
DW
are OS tubes OK for keirin use?