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TRUSTED SINCE 1963
Since our origins in the back of a bike shop in 1963, it has been our sole mission to design and manufacture high-quality tools that empower mechanics and riders of all skill levels to service their bicycles. Each one of our 500+ tools is a product of our decades of experience and expertise in the industry, in the shop and on the trail.
Miko
Reviewed in the United States on January 20, 2025
This is one of those tools that just by holding it, you feel the quality. The fit and finish feels great, and it's easy to tell it's properly tempered.I was able to use it to remove a frozen cup and cone lock ring from a vintage bike whose notches had already been worn and mushroomed by previous attempts. I am confident that an off-brand cheaper tool wouldn't have performed as well.
ElectroBoogie
Reviewed in Canada on September 6, 2024
Works exactly as designed, had zero issue with engagment or suitable leverage to remove the lockring on an old cup and cone caged bearing lower bottom bracket from my old bike. All three pins offered engagemnt and it spun out nice and easily. For the few extra bucks the park tool is always well worth it, it's built to last and will be in my bike tool kit for decades to come.
bdeath
Reviewed in the United States on August 26, 2024
Wish it had more teeth to get better grip. Other than that, was good and long enough to turn. Working on things im use to working on. Im use to a bit more metal than a skinny ring.Taking off those rings and the bearings out, make sure to have a heat gun, Comes in very useful. Doesn't burn the paint if done right. Meaning in low heat and not for too long.
Jeff Beck
Reviewed in the United States on August 21, 2024
Works perfectly and is pretty universal. It can remove multi-notched lock/retainer rings.
RandomTexan
Reviewed in the United States on October 31, 2024
This is one solid piece, was a lifesaver for me removing a seized bottom bracket ring. My other spanner was unable to remove it, but after more PB and the single tooth side of this spanner, and still quite a bit of torque, voila. Access to the bb. It is large which is useful for leverage and it feels sturdy. It is a fair price for a well known brand, when compared to local stores. I would recommend it.
K4RL0505
Reviewed in the United Kingdom on June 24, 2023
Usual high quality from parktool. If you plan on maintaining or repairing bikes you will need this in your tool kit. They seem pricey initially but they will pay for themselves over the years. The bike industry over the years has created a number of different standards for almost every part on the bike as tech has advanced but parktool have you covered for them all. The only thing about these types of tools is they aren’t the comfiest in the hand and perhaps a little rubber or smithing the grip area to be a little more tactile.
Ruger fan
Reviewed in the United States on March 10, 2021
This bottom bracket lock ring tool does double duty in that it has three lugs on one end and a single lug on the other. I thought it was going to be an exact fit on my damaged (by me) lock ring, based on size of tool listed online. Wrong. BUT I still barely got two of the lugs to engage my old damaged ring and successfully removed it. I then filed the lock ring notches to square that were rounded over and voila! problem solved. It fits my other bikes lock ring PERFECTLY. Solid tool well made. All park tools are expensive, though worth the cost, in my experience.
corsaire-1
Reviewed in Germany on January 10, 2021
Gutes Preis- / Leistungsverhältnis
ctrlx
Reviewed in the United States on September 5, 2019
This tool was perfectly suited to my needs, as I was removing a BB-7700 which was used on dura-ace for a short time in the late 90's/early 00's. Both the single pin and triple pin ends properly engaged the lock rings on either side of the BB. Although i have large channel locks and vise-grips, I think resorting to those would have damaged my frame and possibly chewed up the ring to the point where I had a major problem. Worth the $15 to do the job properly in a few minutes! I installed a BB-5500 which is a bit heavier but maintenance free. I hoped to rebuild the BB-7700, but there were signs of corrosion on the RH spindle and the wear pattern from the needle bearings was irregular. There had been freeplay in the crank and this is the likely source. Shimano was right to ditch this design. Good park tool for a specific need.
francesco
Reviewed in Italy on September 27, 2019
Ho sempre avuto problemi a serrare adeguatamente la ghiera del movimento centrale delle vecchie guarniture. Con questa chiave sono riuscito ad esercitare la forza necessaria. La qualità è buona ma non eccellente, in linea con il prezzo. Bisogna fare un pò di attenzione nell'uso in quanto la chiave deve essere tenuta in posizione perchè è un pò fine di spessore e tende ad uscire dalla sua posizione.
M. G.
Reviewed in Spain on October 4, 2018
Buena herramienta y lo suficientemente grande para hacer la fuerza necesaria en los aprietes de la contratuerca de ejes pdalier de cazoletas. Lo únco el de tres puntos de apoyo es más grande que la contratuerca que tengo, pero con el de un sólo punto, fenomenal.
John H.
Reviewed in the United States on June 20, 2016
Another solid bicycle repair and maintenance tool from Park Tool. I got this to remove the lock ring retaining the rear cog on my 6KU fixed gear bicycle. I have now used this tool multiple times to remove, re-install, and tighten the lock ring, and it has worked well in spite of the fact that neither end seems to be specifically for my particular style of lock ring. The side with the single tooth is a bit too wide to get a good grip on my lock ring, so I use the more crescent-shaped side with three teeth, which doesn't fit my lock ring exactly either, but still gets a good grip.Like a good pedal wrench, the flat profile of this tool allows it to easily slide into the tight spaces it needs to go to do its job, and the solid construction insures that it won't break or bend in use. It also takes up little space in a pack, so I usually carry it with me in case my lock ring slips.This is a simple, durable, and handy tool that every bicycle mechanic, whether professional or amateur, should have in his collection.
David Monroe
Reviewed in the United States on December 24, 2010
It did what it was supposed to do. It would have been nice to have some sort of design change made to the tool to make it less likely to slip off in either direction (while juggling the pin spanner on the other side), but it does have to be made with different bike designs in mind. It worked, not much more to say than that other than I used it on my 2008 Diamondback Lucky 24 successfully, along with a Park Tool SPA-4.Update 09/01/2011I used it again today on an old 1 piece crank on an late 80's Haro BMX. It worked great, the nut that held the chain wheel tight against the rest on the crank and kept the pin in the hole fit perfectly, and much easier than the newer style Diamondback I mentioned. All in all if I said it was good for unsealed American bottom brackets I might be selling some other options short, but I certainly would be dead on with three things I worked with.Update 11/21/2011I found this thing works well on the lock ring for a two-piece driver also. I used the "single tooth" side on this and guessed at 30Ft lbs (I'm pretty good as a human torque wrench). Worked great.
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