Problem Solvers Locking Headset Spacer, 8mm BLK

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