Headset FSA n55 1.5

'JDD NO.55R 1.5''/ACR/STD Black w/TH-894-1Fully integrated cable routingNo rotation limitACR hoodAngular contact bearingsSpecific frame requiredSteering knob 1.5''Bearings 36° / 45°For 55.8mm tubeFor 1-1/8" to 1.5 "fork Seat tube height 10.4+0.5=10.9Weight: 92 grams'