



Park Tool FR-5.2GT Cassette Lockring with Tool 12mm Pin
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MPach
> 3 dayThey just work and are solid construction.
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mkuliska
> 3 dayThis tool is needed for my cassette removal and installation
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JK
> 3 dayGreat too where others were popping out w/o the pin on disc hubs
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Mtown F650
> 3 dayNice product
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Dennis Santos
> 3 dayMust have tool for those with centerlock disc brakes durable and greqt brand
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E. Foster
Greater than one weekWorks
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Jim K.
> 3 dayI bought this specifically to work with the 12mm thru axle on my Surly ECR that came installed with the NX Eagle cog set. Its the best way for me to use a torque wrench and snug the cassette to 40NM. Works perfectly!
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August West
> 3 dayIve been using old Park cassette tool for QR axles and although it works, the tool was always getting cocked sideways in the lock ring since it was made for a quick release skewer. This tool works great for my 12mm thru axles and stays nice and square to the lock ring. One note, I always used a 24mm socket with my old tool but this new requires a 1 socket, the 24mm was too small.
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Mrs. Susan Hyatt MD
13-06-2025I bought this cassette lock ring tool since my older tool didnt have clearance for the axle on the newer thru-axle hubs. The FR-5.2GT has plenty of clearance and fully engaged the cassette lock ring. The center pin didnt seem necessary to line up the tool, but didnt cause any problems either.
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juan
> 3 dayNice quality part. Can’t go wrong with this. Definitely recommend.