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The Oumers Bike Crank Extractor and Bottom Bracket Remover is a professional-grade, high-strength steel tool designed for universal compatibility with 20 teeth splined bottom brackets and standard square tapered cranksets. Lightweight and portable, it includes a 16mm spanner and works with 24mm sockets or adjustable wrenches, making it an essential, durable tool for both home mechanics and outdoor cyclists.









| ASIN | B0716NX7KC |
| Best Sellers Rank | #9,840 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #13 in Bike Tool Kits |
| Brand | Oumers |
| Brand Name | Oumers |
| Color | Orange |
| Customer Reviews | 4.5 out of 5 stars 7,492 Reviews |
| Global Trade Identification Number | 00840586113295 |
| Head Style | Adjustable |
| Included Components | Spanner, Wrench |
| Item Package Quantity | 1 |
| Item Type Name | Extractor/Arm Remover and Bottom Bracket Remover with 16mm Spanner/Wrench. Professional Bicycle Repair Tool Kit |
| Item Weight | 11.04 ounces |
| Manufacturer | Oumers |
| Manufacturer Part Number | Oumers Bike Crank |
| Material | Velour |
| Material Type | Velour |
| Model Number | Oumers Bike Crank |
| Package Quantity | 1 |
| Set Name | Single |
| UPC | 840586113295 |
H**N
Good combination tool
No complaints. My experience with these job-specific tools (crank arm / bottom bracket) was about 30 years ago, probably with expensive Park brand - at the local / now closed bike shop. I needed this for my old 1996 GT LTS-3 that I'm refreshing. It's pretty inexpensive, and works just fine for pulling the crank arms and Shimano sealed bottom bracket unit. About the only other tool you would need is a 1/2 inch drive long breaker bar for the bottom bracket removal, but mine was pretty stuck though. Pretty decent combo tool, for the price.
R**T
Works perfectly
Worked perfectly on my walker h9 ebike. Process was easy and the crank extractor was durable and affordable . It Took only 2 minute to get job done with the tool
R**N
Good tools for a very good price! I'm happy with what I got!
Great price. While the chrome kinda gives them a "cheap" look they feel rather solid. The crank remover tool worked just fine with no issue, screwed into the crank without a problem or hard to the crank. The BB removal tool is heavy and feels like good steel. Worked just fine taking the BB out of my fixie and putting the new one in! Did not damage the spindle or threads for the spindle bolts. These tools worked for what I needed and saved me alot of money. Even the little wrench feels solid, not flimsy or weak at all!
P**K
A great value!
This worked perfectly. There are a few tricks to make it do so. First you need a high pressure grease. If you are working on your own bike you should have some already. Apply a dab to the threads including the threads of the part that attaches to the crank arm. This keeps the aluminum from sticking to the steel. Second, use a square nut or make a square steel slug to sit on top of the crank spindle. This will prevent the threads from being damaged. This is why the Park Tool tip breaks. The tip on this one is solid. Third is the real trick. Apply heat! The crank arm is aluminum and the crank spindle is steel. They will and do stick under pressure. Put tension on the tool, then heat with a heat gun. This will expand the aluminum. When you cannot touch the metal finish removing with the tool. No need to blister the paint, it doesn’t need that much heat. Final note: the part that threads into the crank arm only needs to be finger tight. If it doesn’t thread in, your crank arm threads are damaged an need to be cleaned and repaired. BTW: The tool to remove the nut holding the bearings is a 1/2 inch drive socket ratchet. This was not a problem for me as I had rachet of this size. As with all ratchets, it is best practice to support the ratchet head while using. I had no damage occur during use. If you have a swivel handle ratchet, aligning your hand in the same plane as the BB nut will also reduce the twisting of the tool.
D**E
Works great
This worked on my Shimano LX Crank! It is a small handle but, perfect to put in bike pack when riding. I had some other big bike pullers but were way too large for the Shimano's. I was hoping this would be OK, and was! I am happy I could get the crank off after 25 yrs. This time I am using Never Seize!
J**E
Great tool
Easy to use Worth every single penny
A**.
Oumers tools made removing a crank arm so easy.
These tools worked perfectly for removing a seized crank arm off of my bike. I was iffy about using this crank remover at first because the head looked like it was going to be too big to fit inside the bracket, but I was able to get that part screwed in just fine using the included wrench to tighten it well into the bracket. When you attempt to remove a crank. Make sure that the black piece of the crank remover is securely tightened as well as the inner head. To use the included wrench like I had done. Unscrew the silver end piece on the crank puller and slide the wrench right through the puller.
D**.
It's worth it!
The right tool for the job. This made a complicated job, easy.
R**.
Recomendo
Perfeito para o fim a que se destina, boa qualidade. Recomendo
E**N
Amazing item!
Its definitely 5 stars. Fast shipment, qualified product!
C**N
Impeccable !
Outils achetés pour remplacer le boîtier de pédalier de mon VTT, et enfin j'ai pû le démonter. Par contre prévoir un levier suffisant afin d'avoir la force de dévisser le boîtier et sortir les manivelles. Clé Allen de 14 ou clé plate de grande taille fortement préconisés... La qualité globale est satisfaisante, tout se visse bien, j'ai pû procéder au remplacement de mon boîtier pour la toute première fois et il en avait besoin. Rien de mieux que le DIY. Démontage ET reassemblage sans soucis.
A**ー
十分に使えます
部品を交換したくて購入しました。おそらく使用するのは最初で最後だろうと思い安価なものをと思い購入しましたが、使用に問題はありません。耐久性は分かりませんが、1回切りと割り切るなら充分使えます。
P**L
Excellent tool indeed
Ignore all the negative reviews, this is a fantastic piece of kit. I have used several times now and removed pedal arms that have been really tight. Tool has performed every time with absolutely no sign of wear whatsoever. Basically, a bad operator will always blame the tools, so if you are a jobs worth office worker, just leave the job to a professional instead!
Trustpilot
5 days ago
1 month ago