Deore XT Hollowtech II crank arns with 28 & 44 tooth aluminum chain rings from different 64/104 BCD Shimano product lines. Both are type AJ, so I don't see any problems. The crank arms were painted with something really tough. After much effort stripper and abrasive was the only solution there. The rings were black anodized and after a alkaline bath, accepted the new anodizing a little more readily than anticipated. I'll live with the gold tinge. The crank arms and the small ring were the intended result.