Park Tool

Park Tool FR‑4 Atom Splined Freewheel Remover

  • Sale
  • $6.26
  • Regular price $6.95


  • Fits Atom®, Regina®, splined Zeus®, and some Schwinn Approved® freewheels
  • The FR-4 has 20 splines and is approximately 21.6mm in diameter.
  • Always use a skewer or axle nut to hold remover firmly in place.