Park Tool Sun Tour 4 Notch Freewheel Remover


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  • Heat treated alloy tool steel, one inch base fits wrench or bench vise.
  • Thin wall construction allows use without removal of cones and locknuts.
  • Always use a skewer or axle nut to hold tool in place for during removal.
  • Fits all Sun Tour four notch freewheels since 1986.


Brand: Park Tool

Product Code:



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Maybe you just picked up a sweet vintage bike at the swap meet or you're looking to restore an old beauty, you always need the right tool for the job. The Park Tool Freewheel Remover for Sun Tour 4 Notch since 1986 features heat treated tool steel and a 1-inch base to fit a wrench or vise. Thin wall construction allows you to remove the freewheel without touching the cones or locknuts. The 4 notches measure approximately 24mm across and fit all Sun Tour freewheels since Reagan has been in office.

Product details Color: Black | Size: One Size
  • Product Dimensions: 3.5 x 1.2 x 6 inches ; 2.24 ounces
  • Shipping Weight: 3.2 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • ASIN: B001B6NC48
  • California residents: Click here for Proposition 65 warning.
  • Item model number: FR-3

If you're just going to take apart an old bike and don't care about the old freewheel, you can find alternatives that are more destructive. But if you're going to keep the freewheel and maybe maintain two old bikes, just invest in this tool - it'll make your life so much easier. The Park Tool FR3 was the perfect match for an old SunTour freewheel on a 1989 Raleigh MTB. Take note of the parts before you buy. Sakae Ringyo bought SunTour (thus becoming "SR" SunTour) in 1988, so bikes of that era have both old SunTour and Sakae parts - until newer parts came out with the combined name. You may need different tools for SunTour, Sakae, and SR SunTour freewheels.

This worked well to remove my old freewheel mechanism. NOTE: YOU MUST USE A LONG BOLT TO CAPTURE THE UNIT FIRST BEFORE YOU USE THIS TOOL. If you don't use the bolt, it is impossible. Just sandwich this tool with a long bolt running through the hub. Loosen the bolt one turn and then use this tool loosening the bolt as you move out. Using that method---and that method only--the tool works fantastic

Stripped the first time I attempted to remove a freewheel. Granted, it was stuck on there very tightly. For a tool that not only specializes in removing freewheels, but a *specific type* of freewheel, that's not acceptable. This thing has exactly one purpose, and it failed.

What a pain. The freewheel had not be apart for almost 30 years and didn't want to come off. But, the tool did what it was supposed to do and eventually I got the freewheel loose. Had to be creative in my methods but, I won! Just make sure to order the correct tool because I found out there are many different types while doing my research.

Fit a suntour perfect. NO issues, didnt want to buy another freewheel remover but had to for a project bike. Hopefully I will use it again one day. But its strong and does the trick.

Stripped or damaged the prongs on two of these tools. Damaged the freewheel in the process. Yes, I used the skewer to keep it in place. The first tool stripped off right away. The second took some serious torque.

A bit expensive, and I found cheaper DIY alterntives online after getting it. It gets it done. Worth it after a couple years though.

Had to buy this tool for an old univega hybrid freewheel I was servicing and it worked great! Save your time and just spend the few dollars to have the right tool, it is worth it!

Does exactly what it is supposed to do; no fuss or bother. Remember to secure with axle bolt to prevent slipping. Highly recommended product.

bought to remove Suntour freewheel worked first time , buy with confidence.

Gut stark, mermals zu verwenden! Kaum abnutzungs erscheinungen bei mehrmaliger verwendung! René

Das Tool war deutlich zu klein für mein singlespeedkranz.
Auf die grösse achten ist mein Tipp.

Funktioniert so wie es soll, macht einen sehr stabilen Eindruck, hat auch ein angenehmes Gewicht, bedeutet sehr massiv und so soll es auch sein damit es lange hält! Kann ich bedenkenlos weiterempfehlen!

Kein solides Material. Die Nasen brechen sehr schnell.

Nasen ausgebrochen
Zahnkranz zerstört