FSA Pig HeadsetThe FSA Pig Headset is the perfect balance between durability and affordability. The external cup design is compatible with straight 1 1/8" steertubes. Retainer bearings spin smooth ride after ride and the CNC machined cups provide a durable exterior.FeaturesExternal Cup Headset for 1-1/8a ^2 SteertubeGYRO compatibleForged and CNC machined CrMo lower cupUpper: 5/32"x 20 retainer bearingsLower: Super oversized 1/4"x 15B retainer bearings | FSA Pig Headset Black, 1 1/8