XC50 HS02 ICR Bearing Kit (52x40x7mm. 45º/45º) +Crown Race 1.5 45ºOrbea HS02 integrated headset bearing kit for SIC ICR internal cabling headset. Integrated 1 1 8" 1 1 2" headset with SIC 1 1 8" 1 1 2" adapter on upper bearing. 45 fork crown race included. Upper bearing: Stainless Steel Angular contact bearing 52x40x7mm SHIS Code: IS52 40 Enduro Code: ACB 4545 150 SS 40x52x7; 45x45; 1. 5" SS HS Lower bearing: Black Oxide Angular contact bearing 52x40x7mm SHIS Code: IS52 40 ACB 4545 150 BO 40x52x7; 45x45; 1. 5" BO HS