NEW Problem Solvers Headset Stack Spacer - 28.6, 10mm, Aluminum, Silver, Bag of 10 variant-size-x-small and supportive when you need

and supportive when you need it most

Cross bar diameter: 22

The six larger cogs are available in two single-piece steel triplets

DebonAir air spring reduces friction from every single moving part

dual piston hydraulic brake that delivers performance ideal for mountain biking

NEW Problem Solvers Headset Stack Spacer - 28.6, 10mm, Aluminum, Silver, Bag of 10 variant-size-x-small and supportive when you needAvailable in the most common sizes and thicknesses in small or bulk quantities, Problem Solvers headset spacers help riders get their stack height just right. Made from Aluminum, anodized or polished finish, without logos