Crank Top Hat Washer
• Adaptor that makes your sprocket fit your crank centre.
• Three sizes: 23.8 to 19mm, 23.8 to 22mm & 22 to 19mm.
- Short sizes for thinner steel sprockets and spiders
- Long sizes for modern alloy CNC sprockets
Sprockets like the Haro Team Discs and Uni-Directionals use the Short sizing."