

⛓️ Fix your chain like a pro, ride like a legend!
The Oumers Bike Chain Repair Tools Set is a professional-grade 3-piece kit designed for quick, precise bike chain maintenance. Featuring a smart chain breaker with a visual groove indicator, master link pliers for easy link removal and reconnection, and a wear checker tool to monitor chain stretch, this set empowers cyclists to perform essential repairs and upkeep efficiently. Lightweight and durable, it’s trusted by thousands with a 4.5-star rating and comes with a satisfaction guarantee.









| ASIN | B07BRPXPHM |
| Best Sellers Rank | 3,296 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 11 in Hand Tools (Sports & Outdoors) |
| Brand | Oumers |
| Colour | Black |
| Country of Origin | China |
| Customer Reviews | 4.5 4.5 out of 5 stars (4,601) |
| Drive System | Armbar Drive |
| Folded Knife Size | 4 inches |
| Included Components | Plier |
| Item Weight | 340 Grams |
| Manufacturer | Oumers |
| Material | Nylon |
| Model Number | M6012 |
| Number of Pieces | 3 |
| Part Number | M6012 |
R**I
Perfect bike chain tool
Perfect tool for a really good price. Literally got everything you need to chain bike chain.
W**Y
Great tool
A comprehensive easy to use kit
J**S
Recommended
Good quality for the price, good for occasional diy use.
A**R
Excellent value and essential tools for fitting a cycle chain
Excellent value at £12.99 with free delivery. No brainier. Chain splitter and plier tools worked flawlessly on my new MTB KMC x9 gold chain, when I needed to remove a couple of links to ensure the right size. You need both these tools to do a clean and professional fit with a new chain and this is a great value package. Unlike other reviews my pliers worked great with the KMC missing link. Perfect. The tool for checking if a chain is stretched is a bonus.
J**W
Top marks
Great for the price. Really useful
D**L
Works for me
I wasn't sure if this was going to be worth the money after reading some of the previous reviews, after using it on my roadbike I can't complain, for me it does what it's mean to, it allowed me to break a link to remove my old rusty chain using the chain breaker as i didnt need to keep the chain,and then worked perfectly well to attach my new chain with a quick link using the pliers in the pack.
S**.
canny tools
Used this today replacing a sram red chain on my propel, worked well but could not close the quick link with chsin tool, good tools for the price
A**U
good enough for a repair that will get you to the repair shop if you cycle carefully. but no further
the quick release chain links that come with it are quite bad. Keeps slipping
O**O
Was installing an Efneo front drive on a recumbent trike and needed more than a low-profile chain breaker. While I do EDC a Victorinox Spirit X (purchased last year from Amazon) had figured perhaps I should also get master link pliers too, So while searching on Amazon I found this Oumers kit that also included a much desired chain wear tool too. Was expecting to pay $30 alone for a quality chain breaker, but got a great deal as a package. And I did compare with other items on Amazon, and also offline reviews before making a selection. Used the Oumers chain breaker on some KMC X8.99 chain I also purchased with this kit. The links were a bit more stubborn, so I found that using a leather glove to get the initial hard press the rest was easy. What I do like about the Oumers chain breaker is that the shelf has an adjuster to fit the chain, something other chain breakers don't do. And this tool came with an extra bit, which was an added plus! And a wire to keep the chain ends from slipping away. (grin) Use extra wire as a backup if you've not done this before, or if you have a 'helpful' friend. (grin) So for breaking the breaker is fully adjustable, aligns near perfectly - does not angle off, and the press works great. Did not have any issues with the Oumers chain breaker or the rest of the tools. Which is a BIG PLUS for me, as stuff does not always go as planned. No worries here! Oumers chain wear tool showed me there was still life in the previous KMC X72 which had roughly 3,000 miles on it pulling near maximum load (475#). That is impressive for an inexpensive chain. This time around I went with a chain with more plating as I ride in any condition. And for those pliers. Oh how may times I used those pliers! They were better than the Spirit X and was adding and removing the Missing Links that came with the KMC chain. While I do want to put the chain together the proper way, without using the master links, I need a bit more practice. And I have an older chain (that is still usable) to practice with using these Oumers bicycle tools. If you are on a budget and need a quality kit that works, no gimmicks, and gets you done and down the road, get this Oumers kit. Even if you do not use the chain measuring tool right away, it is still worth the extra few bucks because you will be needing one later on. Bonza tools!
M**K
Great little tool. Works as advertised.
A**L
3 herramientas muy importantes a un gran precio. No tengo queja, son de buena calidad.
C**R
Ich habe mir dieses Set gekauft, um eine Kette bei meinem E-Bike zu wechseln. Zuerst mit der Zange die alte Kette am Kettenschloss geöffnet. Das klappte wunderbar. Dann die neue Kette mit dem Ketten-Nieter gekürzt. Auch hier keine Probleme. Ich habe das ganze zuvor zweimal vorsichtshalber getestet. Es funktionierte immer einwandfrei. Also dann auch an der richtigen Stelle der neuen Kette. Danach dann die Kette auf das Bike aufgezogen und mit dem beiliegenden Draht die Kette befestigt. Nun noch das Kettenschloss eingehängt und nachdem ich den Haltedraht entfernt hatte, das Kettenschloss mit der Zange verriegelt. Fertig. Ohne diese Werkzeuge ist ein Kettenwechsel eigentlich nicht möglich. Ich habe mich vorher durch ein Video informiert, wie Ich vorgehen muß und was ich alles benötige. Alles liegt diesem Set bei. Es hat alles so funktioniert wie es in dem Video gezeigt wurde. Wie lange das Set hält, kann ich natürlich nicht sagen, aber es ist nach diesem Aus- und Einbau nichts gebrochen oder verschlissen, sodass ich das Set bestimmt noch ein paar Mal verwenden kann. Ich finde das Set wirklich top 👍, kann es zu 100% empfehlen. Bei dem Preis macht man keinen Fehler. Viel Spaß beim Ketten wechseln 😉
レ**望
ロードバイクのチェーン替えを本製品のみで行うことができました。 3点どれも品質は必要十分で一度の使用で壊れる気配は全くありませんでした。 末永く使いたいのであれば、メーカーものを購入したほうが長く利用できると思いますが、 そうそうチェーンなど交換する機会はないと思うので、安く済ませたいのであればこれで十分なのでオススメです。
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