FSA BIG FAT PIG REDUCER (1.5" to 1 1/8" Steerer) - Reduction design, 1½" sized headtube to 11/8" steerer. Threadless headset with forged chromoly cups, 21mm headtube insertion, super oversized ¼" lower ball bearings, chromoly crown race and aluminium top cap. Stack height: 17+11.7=28.7. For replacement bearings order 160-6730 x 2. Colour Black. Size 1½-11/8". Weight 250gm.