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PARK TOOL: YOUR GUIDE TO THE WORLD OF CASSETTES & FREEWHEELS
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 JOB
In 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.
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.
Ryen Jarvis
Reviewed in the United States on January 2, 2025
Quality designed tool you would expect from park tool. Works like a charm! Fit my sram 10-42 on my gravel bike and fit my buddies shimano 9 spd cassette as well. Excellent value!
tweak1029
Reviewed in the United States on September 5, 2024
I've used it several times now and it's worked flawlessly. It shows no wear and fits perfectly.
Michael J
Reviewed in the United States on September 20, 2024
Park tools are of course the standard, found in bike shops everywhere. This tool adds a pilot shaft to the standard design that makes using it just a little easier- and well worth the small extra cost.
luca76
Reviewed in Italy on August 27, 2024
Robusto
01
Reviewed in Germany on July 15, 2024
Ist robust und sieht hochwertig aus.
Glen
Reviewed in the United States on July 12, 2024
Works great. Easily slots in for shimano HG free hubs and has a solid steel body to wrench on.
Z-06
Reviewed in the United States on March 22, 2024
Park Tools make some of the best bicycling tools available for pros as well as amateurs who like to tinker with their bikes. This one is no exception. Got it at a good price right before Thanksgiving. It was cheaper on the website but lack of shipping discount and duration for shipping made me buy here.Performed maintenance on all my bikes' and trainer's gruppos during winter without any hassle. Replaced one of the group sets with a new one too. Easy to remove and install the group sets with this and the "Park Tool SR-12.2 Sprocket Remover". Used my Wera torque wrench to install back the gruppos.Another thing going for Park Tools is the amazing instructions the folks provide on YouTube and the website.While blue is not my color, I will continue to support this American Enterprise.
J.D.Engineering
Reviewed in the United States on December 13, 2024
Always great product. Perfect for replacing Shimano cassette.
Shoppaholic Techie
Reviewed in the United Kingdom on December 12, 2022
An upgrade from my old school FR5 without the guide pin, I concluded that it's a lot less faff with a pin v reinstall the skewer, plus it is then practical to use a socket and torque wrench instead of a spanner. Works well and seems to be the usual good quality from Park Tool. Alas I then also then "required" an FR5 with a through axle sized pin too for my turbo trainer but you can never have too many tools in the man cave / lady lair so it's all good, right?The CA Proposition 65 notice on the packaging is a little unclear, does it apply to the materials of the socket itself or the plastic packaging?
Miguel guerra
Reviewed in Spain on October 29, 2022
Decir que he probado otras marcas algo más barata y la verdad que no tiene nada que ver con este extractor de cassete, se ajusta perfectamen sin olguras. Es algo cara pero la calidad del material es impresionante. Un extractor ya para siempre.
lando
Reviewed in the Netherlands on September 5, 2020
Goede pasvorm met weinig speling op de tanden. Geschikt voor shimano en sram casettes. Lukt ook met sram xd casettes (12 speed) maar daar hebben ze een betere tool voor.
Spike
Reviewed in the United States on March 25, 2020
The Park Tool FR- 5.2G Cassette Lockring Tool is a professional grade tool. A lock ring tool is a basic tool that should be in your home bike kit. The FR-5.2G is well made & should last a lifetime of use, maybe 2. It constructed of a tough heat treated Tool steel w/12 splines for Shimano, Stan & SunRace cassettes & some dusk brake lock rings by Shimano. It has a diameter of approximately 23.4mm. The 5mm guide pin is designed for use on hollow quick release axils. The guide pin helps to stabilize the tool while your using it. This is really helpful when removing an old, stuck on or rusted cassette. The FR-5.2G can be used w/an adjustable wrench or a 1” (25.4mm) socket. A ratchet cannot connect directly to the FR-5.2G.I used the FR-5.2G when upgrading my Shimano 8sp cassette w/a SunRace 10sp cassette. I previously had been using a FR-5.2 (w/out pin guide) & really appreciate the pin guide.I know there are other cassette tools out there for less, but for something I’ll be using for regular maintenance like cleaning, I believe the little extra expense for Park Tool quality is worth it. Removing & cleaning your cassette is an often overlooked & forgotten bit of bike maintenance. It’s not difficult nor does it take very long to remove & clean your cassette periodically. This will definitely extend the life of not only your cassette but also the rest of your drivetrain.Thank you for taking the time to read my review. I hope it was helpful.
Art Harrington
Reviewed in the United States on September 6, 2017
I ordered this for my Giant Sedona Mountain Bike. I needed to remove the freewheel but when I went to insert this into my freewheel it didn't fit. I should have done a little more research before getting this but I'm only out $10 dollars so I'm not worried about it. The tool that did fit was the Park Tool Freewheel Remover FR-1.3This tool, the FR-5.2g, although wasn't the right size, is a high quality made tool. I wouldn't hesitate to buy other tools made by Park. I gave this 4 stars due to the wrong size, that's it.
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