Park Tool FR-5.2GT Cassette Lockring with Tool 12mm Pin
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John W
> 3 dayWhat the Dr ordered to remove/replace my mtb cassette
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Gary
> 3 dayWorks like a charm for the newer Shimano centerlock disc brakes and rear axle with thru-axle applications.
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mario triana
> 3 dayGreat!
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MPach
> 3 dayThey just work and are solid construction.
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R. Smith
> 3 dayIs it really necessary? I did use the one with the QR pin, and liked it, but also use the one without the pin and dont have much of a problem using it. But whatever. I did buy the one with the QR pin, so it looks like Ill be ordering this one too. *shrug* But have you seen their pizza cutter?
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BXC
> 3 dayWorks great, no need to try to keep in in place w the axle when loosening.
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Blended
> 3 dayDoes as its supposed to and the color is very nice.
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Bnar
> 3 dayWorks great
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YMS
> 3 dayLock ring got chewed up
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mrhockey79
> 3 dayI did what is was supposed to do.
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.