{"product_id":"estrattore-ruota-libera-park-tool","title":"Park Tool freewheel remover","description":"\u003ch3\u003ePark Tool FR-4 freewheel remover: compatibility\u003c\/h3\u003e\n\u003cp\u003eThe Park Tool FR-4 \u003cstrong\u003efreewheel remover\u003c\/strong\u003e is designed for \u003cstrong\u003e20-spline\u003c\/strong\u003e fittings found on older SunTour® freewheels. The profile allows engagement with tool fittings with an outer diameter of approximately \u003cstrong\u003e21.6 mm\u003c\/strong\u003e. Before use, it is advisable to verify that the geometry and dimensions of the engagement match those of the part to be removed. This specific compatibility makes this \u003cstrong\u003ebicycle tool\u003c\/strong\u003e suitable for maintenance work on freewheels with the corresponding splined standard.\u003c\/p\u003e\n\n\u003ch3\u003eConstruction and use\u003c\/h3\u003e\n\u003cp\u003eThe FR-4 body is made from \u003cstrong\u003ealloy tool steel\u003c\/strong\u003e and \u003cstrong\u003eheat treated\u003c\/strong\u003e. The 1\" hex base allows torque to be applied with a matching wrench or a compatible socket; the tool can also be used with an \u003cstrong\u003eadjustable wrench\u003c\/strong\u003e or a bench vise. For correct operation, insert the remover into the engagement until fully seated, so that contact is maintained between the splines and the component.\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility with splined freewheels\u003c\/h3\u003e\n\u003cp\u003eIn addition to older SunTour® freewheels, the FR-4 is suitable for Atom®, Regina® and Zeus® models with a splined engagement, as well as for some Schwinn® approved freewheels. It is not a universal remover: compatibility depends on the number of splines and the diameter of the fitting. Checking the profile in advance helps you choose the right \u003cstrong\u003efreewheel tool\u003c\/strong\u003e and set up the job with a \u003cstrong\u003e1\" socket\u003c\/strong\u003e or a compatible wrench.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eModel: Park Tool FR-4.\u003c\/li\u003e\n\u003cli\u003eType: \u003cstrong\u003efreewheel remover\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eEngagement: 20 splines.\u003c\/li\u003e\n\u003cli\u003eIndicative outer diameter of the fitting: 21.6 mm.\u003c\/li\u003e\n\u003cli\u003eCompatibility: older SunTour® freewheels.\u003c\/li\u003e\n\u003cli\u003eAdditional compatibility: Atom®, Regina® and Zeus® with splined engagement.\u003c\/li\u003e\n\u003cli\u003eCompatibility: some Schwinn® approved freewheels.\u003c\/li\u003e\n\u003cli\u003eMaterial: alloy tool steel, heat treated.\u003c\/li\u003e\n\u003cli\u003eHex base: 1\".\u003c\/li\u003e\n\u003cli\u003eUse with adjustable wrench, socket or bench vise.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Park tool","offers":[{"title":"One size \/ Black","offer_id":55152249700698,"sku":"FR-4","price":9.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/7139\/6534\/files\/Estrattore-ruota-libera-Park-Tool-All4cycling-138.jpg?v=1794337992","url":"https:\/\/www.all4cycling.com\/en\/products\/estrattore-ruota-libera-park-tool","provider":"All4cycling ","version":"1.0","type":"link"}