Spline hub, Goes between the drive motor and the core.
Superior broom direct drive models
01-14000-PAD Brake pads Set superior Broom
01-14100-106B Superior broom 6 lug rotor
01-14100-011B Superior Broom Wheel Seal
01-50001-005 Superior broom Brake shoe set
01-14100-130 Superior Broom caliper asm