i send you, i think its gona work. This is acr standard
FSA No.55R 1.5" /ACR/STD headset for tapered steerer tubes - IS52/28.6 | IS52/40
Detailansicht
Innovative, fully integrated aluminum headset for 1 1/8'' to 1.5'' tapered forks with top cover and high-quality aluminum fork crown race. An ACR-compatible frame is required for use. Cost: 51 euros online.
Dimensions
• For 1.5" head tubes with internal/external: 52/56 mm
• Upper bearing 1 1/8 inch - 36°/45° ACB (Cane Creek standard)
• Lower bearing 1.5 inch - angular contact bearing.
Alternatively, the two parts FSA No.55R 11.5/ACR/STD H2473 for 7 euros and the FSA ACR H2474 compression ring for 11 euros are sufficient.
possibly changing the upper bearing to 8mm
elves upper bearing has is 52 36x45 and 7mm height