fsa the pig dh pro 1-1/8" threadless headset, black fsa the fsa the pig dh pro threadless headset features a forged cromoly lower cup and cartridge/angular contact bearings. features: forged chromoly lower cup 6061/t6 upper cup industrial cartridge sealed bearings th brand 36 degree micro angular contact upper bearing forged chromoly crown race gyro compatible laser etched aluminum top cap black anodized or bright silver finish