The Park Tool FR-4, Freewheel Remover, click to enlarge
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Item # FR-4

/ Tools / Cassette & Freewheel

Freewheel Remover

Heat treated alloy tool steel, one inch base fits wrench or bench vise. Thin wall construction allows use without removal of cones and locknuts.

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$7.95

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FR-4 Features

  • Fits Atom®, Regina®, splined Zeus®, and some Schwinn®-approved freewheels
  • The FR-4 has 20 splines and is approximately 21.6mm in diameter
  • Center bore for axle clearance is 10 mm
  • Always use a skewer or axle nut to hold tool firmly in place during removal

NOTE: To determine your cassette / freewheel type and the appropriate tool for it, please see the Instructional Videos section.

Instructional Videos