Designed as a replacement insert for your Bolt Drive or Spline Drive Sprockets.
HAT WASHER SPECS
- Convert your 22mm center bore to 19mm
- High quality hardened Steel that resist indentations from splines.
- Universal for any 22mm center bore sprockets
- 3 versions made for 4.5mm, 1/4", and 5/16"(8mm) sprockets
SPLINE DRIVE INSERT SPECS
- Heat treated high quality steel
- 4 versions made for Original Spline Drive, Lite 19mm Spline Drive, Lite 22mm Spline Drive, and Older "9 Bump" Lite Spline Drive Sprockets