SRAM DUB, Hollowtech II, or 30 mm crank options . Replaceable, stainless-steel deep groove ball bearings . Spacers for correct chainline included . Grease for installation and mainenance includedItem Specifications: Shell, T47 internal, Color, Black, Model Name, T47 DUB, Spindle Interface, SRAM DUB, Shell ID, 47mm, Width, 86.5 mm/89.5 mm/92 mm,.
ACROS
Acros internal sealed 1.5” headset internal cable routings lockring
Sealed bearings.