Modern Shimano comes in both 130 and 110 BCD as well as many others. Just measure the BCD you have and then any ring with that BCD should fit. A 110 BCD will measure 64.7mm between holes and can take down to a 33 tooth ring.
SheldonBrown.com. I don't have one in front of me but I think the Sakae SA used a 110 BCD.