Park Tool FR-5.2GT Cassette Lockring with Tool 12mm Pin
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Prof. Leda McDermott PhD
> 3 dayDid the job
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Barry
> 3 dayFits perfect for 12mm thru axle and I notice the center pin is removable.
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mrhockey79
> 3 dayI did what is was supposed to do.
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James A. Derr
> 3 dayWorked like it should.
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Nathen Little
> 3 dayTool worked great for my my new bike rotor installation
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mario triana
> 3 dayGreat!
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The Chez
> 3 dayI have to admit I was skeptical. I had a X01 cassette that didnt want to come off my Hope cassette carrier. I bought this and put it in the vice and spun the cassette and it came off easily. Maybe it was the through axle pin, maybe it was the right depth. Either way, it works for what I needed. Park Tools comes through again.
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YMS
> 3 dayLock ring got chewed up
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Interlocutor
> 3 dayTakes cassettes off and puts them on. Buy it
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M. wilson
> 3 daySimple. This works great as it keeps the tool square with the hub and keeps full engagement of the teeth.
PARK TOOL: YOUR GUIDE TO THE WORLD OF CASSETTES & FREEWHEELS
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CASSETTE OR FREEWHEEL?To determine the type of rear sprocket system you have, find the tool fitting on the sprocket set. Spin the sprockets backwards. If the fitting spins with the cogs, it is a cassette system. If the tool fitting does not spin with the cogs, it is a freewheel system. |
CAMPAGNOLO OR NO?If you have a multi-speed cassette, you need one of two tools. If the cassette, derailleur, or shifter are labeled with Campagnolo, the tool for you is the BBT-5/FR-11. Otherwise, you will require a tool in our FR-5.2 line. |
THE RIGHT TOOLS FOR THE JOBIn addition to the correct tool, you will also need a method of driving it (such as an adjustable wrench or 1" socket) as well as a chain whip to hold the cassette in place as you remove the lockring. Park Tool makes a full line of chain whips and wrenches for this very purpose. |
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| FR-5.2 Lockring Tool | FR-5.2G Lockring Tool w/ 5mm Guide Pin | FR-5.2GT Lockring Tool w/ 12mm Guide Pin | FR-5.2H Lockring Tool w/ Handle | BBT-5/FR-11 Lockring Tool | FR-1.3 Freewheel Remover | |
| Tool Type | Cassette Lockring/Disc Brake/Suspension Fork Top Cap | Cassette Lockring/Disc Brake | Cassette Lockring/Disc Brake | Cassette Lockring/Disc Brake/Suspension Fork Top Cap | Cassette Lockring/Bottom Bracket | Freewheel |
| Tool Fitting | 12 Internal Splines | 12 Internal Splines | 12 Internal Splines | 12 Internal Splines | 12 Internal Splines | 12 Internal Splines |
| Tool Fitting Measurement | 23.4mm Outer Diameter | 23.4mm Outer Diameter | 23.4mm Outer Diameter | 23.4mm Outer Diameter | 22.8mm Outer Diameter | 22.6mm Outer Diameter |
| Typical Brands & Models | Shimano, SRAM, SunRace, SunTour, Chris King, etc. cassettes, Shimano disc brakes, Rock Shox suspension fork top caps | Shimano, SRAM, SunRace, SunTour, Chris King, etc. cassettes, Shimano disc brakes | Shimano, SRAM, SunRace, SunTour, Chris King, etc. cassettes, Shimano disc brakes | Shimano, SRAM, SunRace, SunTour, Chris King, etc. cassettes, Shimano disc brakes, Rock Shox suspension fork top caps | Campagnolo | Shimano, Sachs Aris, SunRace, DNP Epoch |
| Additional Features | Guide pin for quick-release style hubs | Guide pin for 12mm thru-axle hubs | Built-in handle |
TRUSTED SINCE 1963
Since our origins in the back of a bike shop in 1963, it has been Park Tool"s sole mission to design and manufacture high-quality tools that empower mechanics and riders of all skill levels to service their bicycles. Just like our other 500+ tools, our cassette and freewheel tools are a product of our decades of experience and expertise in the industry, in the shop and on the trail.