Problem Solvers Headset Stack Spacer - 28.6, 3mm (1), 5mm (1), 10mm (3), Aluminum, Black, Assorted 5 Piece Kit HD4717

Available in the most common sizes and thicknesses-in small or bulk quantities, Problem Solvers headset spacers help riders get their stack height just right.

• Assorted Kit includes: 3mm (1), 5mm (1), and 10mm (3) thicknesses
• 1-1/8" Diameter
• Made from Aluminum, anodized or polished finish, without logos