Park Tool Tools Cassette Locking Tool FR-5.2GT 229 kr 206 kr SKU DescriptionFits 20-spline tool fittings with an approximate outer diameter of 21.6 mmFits Atom®, Regina®, splined Zeus®, and some Schwinn®-approved freewhee In stock. Add to basket Share Stock: 2 Article Number: PTFR52GT Information Reviews SKU DescriptionFits 20-spline tool fittings with an approximate outer diameter of 21.6 mmFits Atom®, Regina®, splined Zeus®, and some Schwinn®-approved freewheelsProduct DescriptionFR-4: 20-spline/21.6mm OD tool fitting.Fits Atom®, Regina®, etc. freewheels. Product SpecificationsProduct applicationFR-5.2GT