There are other versions of the insert for different cleats; in those days, it wasn't certain that the Look 3-hole pattern was going to gain world domination. Sidi shoes of that era came with 2-bolt slot cleats and the relevant insert, you had to buy the 3-bolt inserts separately.
There are other versions of the insert for different cleats; in those days, it wasn't certain that the Look 3-hole pattern was going to gain world domination. Sidi shoes of that era came with 2-bolt slot cleats and the relevant insert, you had to buy the 3-bolt inserts separately.
e.g. here's the SPD insert: