FSA The Big FAT Pig reducer headset features CNC machined steel cups, with a laser etched aluminum top cap. 1.5R is the 'Reducer' version to fit 1-1/8'' forks. Lower cup uses super durable 7/32'' bearings. 20mm head tube insertion, with a chromoly crown race.
Stack Height: (17.0mm/12.0mm=29.5mm)
Steerer Diameter: 1-1/8''
Model: Big Fat Pig 1.5 Reducer to 1 1/8"
MFG. Part #: 141-1308