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🔩 Break chains, not your flow – the ultimate bike chain tool for pros on the move!
The Oumers Universal Bike Chain Tool is a compact, durable repair kit designed for 7-12 speed bicycle chains. Featuring a metal frame with a rubber-coated grip and a precision chain pin breaker with a unique groove for easy pin removal, it’s perfect for both road and mountain bikes. Highly rated by over 10,000 users, this portable tool is a must-have for cyclists seeking reliable, on-the-go chain maintenance.











| ASIN | B0179JC31I |
| Best Sellers Rank | #5,769 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #7 in Bike Shop Tools |
| Brand | Oumers |
| Brand Name | Oumers |
| Customer Reviews | 4.5 out of 5 stars 10,532 Reviews |
| Load Capacity | 7E+2 lbf (working load capacity) |
| Manufacturer | Oumers |
| Material | Metal, Plastic |
| Material Type | Metal, Plastic |
| Part Number | M3040 |
| Strand Type | Single |
| UPC | 840586112915 840586112045 |
| Unit Count | 1 Count |
B**N
Sturdy little tool, worked perfectly
I have never used a chain breaker before, and I found this very intuitive to use. It worked fine. Same price as the one from walmart. I've used it for several days and taken several chains apart with no problems.
A**A
Fast service
Worked great did the job
D**S
Oumer's chain tool is a good tool for the money.
Oumer's Chain tool ---- I haven't used it extensively and I admit that I bought this tool without reading all the reviews. So, from my limited experience with this tool I feel that it does the job of removing chain pins easily and efficiently. As others mentioned there were no instructions with the tool but experience with other chain break tools kept me from making mistakes that resulted in bent chain supports and broken push pins. The hollow screw (opposite the pin) needs to be screwed in to support the chain while you are twisting the handle and applying pressure to push out the pin. The hollow end will catch the pin if it is removed completely. BTW - when putting chain back together purchase new replacement pins, Yes, you can save a few $$ by using the old pin. If you completely remove the pin it is tough to align the links/holes to get the old pin in correctly. It can be done but may cause the chain to bind or seize. Replacement pins have a long slightly smaller diameter section that you insert into the chain links. This section guides the slightly larger diameter chain link pin into the holes. When the link pin is fully inserted remove the chain from the tool and use a pliers to snap off the guide section of the pin. Search Amazon for Bike chain replacement pins - know the brand of chain, number of gears in your rear cassette, and make some measurements of the chain pin length and it's diameter. this link is an example: "Shimano 10-Speed Replacement Chain Pins" If, in the future, you want to remove your chain for cleaning etc use a replacement link similar to: "YDZN Bicycle Chain Link Connector, 11 Speed Quick Master Link Joint Clip (2 Pcs,Silver)" Park tool sells a "pliers" for use when installing and removing this type of link. Again, these links are not "generic" so you'll need to know the chain you are using the replacement link in. Use of these links make it easy to remove the chain for cleaning or repair. PROs -- fits my hand comfortably and the large handle is easy to twist. in and out. The hollow screw captures the pushed out pin and supports the chain while working on it. An extra pin included in the handle along with the wire chain hook CONs - as others mentioned it is a bit large to be carrying "just in case" you need a major chain overhaul while on the trail or road. It can stay in my tool box - it fits nicely in there. Question I have: looking at the assortment of chain tools on Amazon why are there so many tools that look just like the Oumer's tool but have different names. They are all in about the same price range.. Strange....... :-) I have not received any support or compensation from Oumer's or from any company selling replacement pins or replacement links. Why give it only 4 stars? I reserve 5 stars for something that really blows my socks off. This is a good tool and "I like it" If, after using this tool more I have information to add to this review I'll do that. Till then, enjoy your days on the trail.
S**E
Comfortable & Easy To Use Bike Chain Tool
Oumers Universal Bike Chain Tool is an easy to use, comfortable & inexpensive bike tool that would be a good addition to anyone’s bike toolkit. It’s built well enough to use in your home bike shop, small enough to through into a trailhead toolkit, but too big for you to want to take it out on the trail w/you. The chain tool has a comfortable plastic coated handle, which aids in securely gripping it while easily removing pins from 6, 7, 8, 9, 10 & 11 speed bicycle chains. It comes w/a chain hook which aides in holding the chain together while inserting a new chain pin into the chain. The tool also comes w/an extra pin for the tool, which is stored in the handle of the tool. If you’ve never used a chain tool to “break” a chain, no need to worry, Oumer has included a colorful & simple to follow instructions card w/the tool. Be sure to give it a read. When I used the chain tool, I was able to comfortably & effortlessly turn the large plastic knob, easily removing the chain pin. The overall feel of the tool after using it to break & insert a new pin in my chain, is that it’s a pretty good value for the price. I’m sure I’ll get plenty of use out of the Oumers Universal Bike Chain Tool. However, this is most likely not a tool that will last 20+ years. For that, you’d be looking to spend 3x the money. If you need a bicycle chain tool, Oumers Universal Bike Chain Tool is definitely an inexpensive, easy to use & all around good value option. There are definitely worse options out there. Thank you for taking the time to read my review, I hope you found it helpful.
T**R
Definitely worth the price! Super nice
Super nice quality, works great!
J**Y
Low quality metal knob is gritty
It works but the small metal knob you twist in to secure the links is very gritty. I had to use a pliers to twist it in all the way. Without this, the link will twist when you push into the pin. So the quality is low for sure, but it gets the job done.
O**M
Simple but easy to use
Very simple, but initiative bike chain breaker
R**Z
Great
Worked great. Just what I needed to repair my chain.
L**I
Działa
Działa
S**K
Good product
Does its job as expected. Low price whilst still being easy to use. No complaints
J**O
Sicuramente consigliato per uso casalingo!
La premessa è più che doverosa: come ho già specificato in altre recensioni, non sono un ciclomeccanico e non faccio questo di professione. Sono un amante delle biciclette e mi piace metterle a posto e fare manutenzione. L’uso che ne faccio è esclusivamente casalingo, per me e per amici. Dopo quasi tre anni di utilizzo posso dirvi ufficialmente cosa ne penso. È un ottimo smagliacatena, resistente, robusto e pratico. Prima di acquistare questo ne avevo un altro, era quello classico tutto in acciaio, quello con il manico molto sottile, il più famoso in commercio. Dopo qualche anno di utilizzo si è spezzato il pernino e ho dovuto sostituirlo. Questo non mi ha dato ancora problemi e vi dirò che è decisamente più comodo dell’altro per diversi motivi: L’impugnatura è più grande, si riesce a lavorare più comodamente, la maniglia è rivestita in plastica, risulta meno scivolosa e fa indubbiamente più grip. È incluso il gancio per la catena, utile o forse meglio dire FONDAMENTALE se si vuole ri-magliare la catena dopo averla smagliata. Incluso nel manubrio c’è un perno di ricambio nel caso dovesse rompersi. Fantastico! Un attrezzo veramente comodo. Il venditore nella descrizione del prodotto dice che va bene per le catene da 7/8/9/10 velocità. Io sinceramente l’ho utilizzato su una bicicletta a 6v, una a 8v, due a 1v e un tandem a 1v. Non mi ha mai dato problemi. Ciò non toglie che quello che ho fatto sia potenzialmente sbagliato. Ha però un compromesso: essendo ingombrante occupa più spazio in caso di trasporto. Non essendo modulare (come quello famoso in acciaio) non si può smontare per riporlo in una falsa borraccia o in una borsetta. Per questo è adatto quasi esclusivamente per un uso da officina/garage/casalingo. Pagato 8,99 euro venduto da terzi e spedito con Amazon. Se avete ulteriori domande sul prodotto non esitate a contattarmi.
J**N
Fácil de manejar
Justo lo que esperaba, felicidades funciona perfectamente
A**G
Kullanışlı ve tasarımı güzel
Gerçekten harika ve çok sağlam.. Tavsiye ederim
Trustpilot
3 days ago
1 week ago