ICR internal cabling headset bearing kit. Bearings: FSA MR170 ACB 1.5″ TH-070E 52x40x7 (x2) Included the fork crown race. Do not use on forks with integrated crown race. To find the right component for your bicycle, introduce your barcode number in the designated field or consult your model´s Blue Paper technical manual and use the browser to introduce the article code.Consult the bicycle or component technical manual in the support section of our web to learn about the assembly instructions.