· Cartridge bearings

· 41mm I.D. head tube

· 8Hxø41.8xø30.5x45ª

· Tapered Campagnolo type IS headset

· Cartridge bearings

· 42mm I.D. head tube

· Tapered Campagnolo type IS headset

· Cartridge bearings

· 42mm I.D. head tube

· Threadless 1-1/8"+1-1/2"

· IS 42/28.6 – IS 52/39.8

· Sealed Bearing Type