FSA Mr110 th-073 Bicycle Headset Sealed Cartridge Bearing (1.5In x 36x45), Red/Black Seal With forged and CNC machined crmo cups and oversized 1/4 inch bearings in the lower cup, this headset will not let you down FSA sl-k RNUMxRNUMT stem was constructed to provide rigid support for the handlebars, feeling similar in both weight and stiffness Manufactured in Taiwan