Chainring Clearance Check Tool (Drive Side In)

Check Chainring clearance in situation on The Creator Frame Fixture

  • For Drive Side In Fixtures Only
  • M6 threaded studs (included) and lock nuts are used to represent chainrings
  • The radius of any given tooth count of chainring is already worked out for you
  • The math here is really simple — 100MM from back of tool to frame centerline (subtract your chainline from 100mm)
  • 36.5mm bore to fit the BB post and a thumbscrew to lock position
  • Comes with several pairs of set screws to accommodate 40mm to 76mm chainline