LOWER BEARING CANE CREEK 40.ZS/56 BAA0089K

40.ZS56 cane creek conversion bottom. ZS56/30/H4/K. Model: BAA0089K. 40-Series Solutions: separate top and bottom headset cup assemblies for tapered, reducer and conversion applications (mix & match system helps reduce inventory overlap). Same features and materials as 40-series complete headsets. Technical description: ZS56/30/H4/K. Bottom Head Tube Inside Diameter: 55.95mm. Crown Race Seat Diameter: 30,015mm. Crown Race Type: Steel, Face-Sealed. Bottom Stack Height: 4mm. Bottom Bearing Type: Black Oxide, Sealed. Materail: 6061.