Cane Creek 40-series headset ZS56/30 lower cup

Technical Description ZS56/40/H4/K

Bottom Type ZS – ZeroStack
Bottom Head Tube Inside Dia. 55.95mm
Crown Race Seat Dia. 29,80mm
Crown Race Type Steel, Face-Sealed
Bottom Stack Height 4mm
Bottom Bearing Type Black Oxide, Sealed
Material 6061
Weight 65g
Part Number BAA0089K