well won a set 2 x 8 speed I actually perfer not having 3 cranks. This set is a little more modern and i got this for 150 shipped. Looks to be in good shape
Here is a Shimano 600 6400 group set. Included is:
1- FC-6400 square tapered crank, 172.5mm with Shimano 53/39 chainrings
2- ST-6400 STI shifters. 8 speed right/ double left
3- RD-6401 rear deraileur
4- FD-6401 front deraileur
5- Hyperglide 8 speed cassette 12-25
6- Hyperglide narrow chain