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Problem Solvers Locking Headset Spacer, 8mm BLK

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Problem Solvers Locking Headset spacers help maintain headset adjustment when removing or replacing stems and have a compact, lightweight, and unobtrusive design.

  • 8mm stack height, 34.5mm OD to match diameter of most aluminum stack spacers
  • CNC-machined AL-6061-T6; compact, lightweight, unobtrusive design
  • Maintain headset adjustment when removing or replacing stems
  • Simplify bicycle disassembly and reassembly for shipping purposes; useful for displaying framesets in shop
  • 4mm stainless steel bolt; requires 3mm hex key for installation