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Your cart is empty.The Topeak Alien II is an award-winning, do-it-all tool that folds into a lightweight, two-piece body, making it the perfect cycling tool. It includes a self-tightening tool and a nylon bag. The chain tool is compatible with single and multi-speed chains up to 12 speed, excluding Campagnolo 11 speed hollow pin chains.
L. Weber
Reviewed in Germany on January 13, 2025
Nachdem ich das Tool schon deutlich länger als 5 Jahre im Gebrauch habe, und alles noch gut funktioniert, habe ich 3 Stück nachgeordert für meine Kids. Auf lange (mehrtägige) MTB-Touren nehme ich noch zusätzlich eine Zange und einen kleinen Torx mit, den Rest deckt das Alien 2 ab. Top Teil!
RobertP
Reviewed in the United States on March 31, 2024
There have been a few times I wished I had a wrench in my tool bag rather than trying to get by with pliers. This tool has a great selection of wrench sizes. I also like that the tool splits in half so I can use an Allen key on one end and a wrench on the other end when a bolt works loose. It took me a few minutes to figure out how to press down on the safety catch to release the knife blade or release a tool that had been extended. Now that I know where to press, I like the safety catch. Heavier than the tool it is replacing because this does more.
Ely Bumanglag
Reviewed in the United Arab Emirates on December 16, 2022
Perfect! As you expected from the manufacturer. Must have for bike enthusiasts
Dave
Reviewed in Canada on June 14, 2018
Any tool you will need while riding and more. Great to have in a saddle bag or frame bag. It has answers for easily forgettable tools like tire leavers.If you don't do much bike maintenance you could use this to replace buying most conventional tools!
Comprando Ando
Reviewed in Mexico on October 23, 2017
Este multitool me ha salvado ya en un par de ocasiones, cuenta con las herramientas que necesitas para cualquier reparación y/o ajuste requerido de tu bicicleta, en un formato compacto y facil de transportar, su tamaño lo hace optimo para poder traer, y sus materiales son solidos y despues de dos meses de uso ha sido una salvación en un par de casos donde lo he requerido.
mp90
Reviewed in Japan on August 24, 2015
Serves for most cases, fits for riding alone and for small adjustments at home.quality of tool is not excellent but enough for couple of years of using.heavy because of many functions
E. L.
Reviewed in the United States on August 16, 2013
When I read the description for this multitool, I initially thought it had too many unnecessary parts. It turns out my roommate has this exact same multitool, so I've been using it a bit.I've found that the location of each little tool is actually very well thought out. The two halves come apart not only for simple convenience, but also for you to use the tools from one half to give you extra leverage turning a tool on the other half. Examples: When using the chain pin tool on a stuck pin, the 5-mm Allen wrench is on the other half so you can use it to give you extra leverage. When using the mini pedal wrench (which is quite short, about 75% the length of the whole multitool), you can give yourself extra leverage on the pedals by inserting the 8-mm Allen key from the heavy half into the smallest hole on the pedal wrench. This gives you more than double the original wrench length, a much stronger lever.Note on the mini pedal wrench: The material seems to be the same as the 8-10mm wrenches, but different from the Allen wrenches. I would have felt better with a steel pedal wrench, but that might have just been too heavy and this one seemed to work just fine for tightening my pedals a bit before I could make it over to my bike shop.So after all this, I ordered one for myself and it came today. I noticed my roommate's tools would fold out without resistance (except the knife--that one uses a locking mechanism so it never accidentally deploys). My new one was much tighter. I found out that on the sides of each half, there are different sized hex holes so you can use an Allen wrench from the opposite half to tighten or loosen the folding resistance to your liking. The 4-mm on the smaller half adjusts resistance on the heavy half, and the 2.5-mm on the heavy half adjusts the resistance on the smaller half.The knife is indeed VERY sharp and seems highly durable, and requires considerable manual effort to unfold. (Or maybe that's just my weak girl hands.) This is a good thing. I am zero percent worried that it will ever accidentally open. Folding likewise requires manual effort, but just be careful not to fold it onto your fingers because that blade is quick.Overall, I feel much better having one for myself. If you want to pack light and aren't wandering far from civilization, you can probably just take the smaller half alone. If you're going on a camping trip, absolutely take the whole thing.Another note that I think a lot of people will miss about these tools is that each half's black plastic base is actually a plastic tire lever. They're identical. The plastic is hard and rigid, and won't scratch the rims or wheel. I didn't see this at first when I was using the tools, I thought the plastic shapes were just aesthetic and for fitting the halves together. They don't really show this off in any pictures or diagrams but it's a really nice touch!Thanks for reading and if you have any questions please feel free to comment.
DaveS
Reviewed in the United States on February 9, 2012
just received .. I won't belabor the points already made well - this tool looks to be great - huge # of tools, seems decently/well made (will post back after use), but comes at a price, is a hefty tool - and will just about fill my small under seat pouch which also has inner tube, patch kit and 3 tire levers (will keep these in despite the levers on the tool since they're quite lite)). The designers must have had a great time designing this one - the amount of work that went into the design is clear (locking mechanisms, etc).Two notes:1. The tool weighs in at 11.0 ounces for case and tool (despite seems the amazon product features say .6 lbs, the product description is more accurate, where the tool is listed at 290 grams.). May not make a difference, but there's a clear trade-off between functionality, quality and weight. (and I'd argue against using metal for the handles, this tool doesn't need any more weight).2. The nylon case has a belt loop on the back, not a plastic clip. The packaging is a little different than in the photo (still looks quite authentic Topeak packaging, so no worries there) and my guess is that they changed the product. I can't tell how big the clip was, but for me, I can't see clipping this tool to any cycling pants, it seems to heavy for that (and still can be secured by the belt loop if you're worried about losing it on the road / trail), so losing the clip is an improvement (others who use the clip may feel differently).Good luck / enjoy the ride!!
Steve B
Reviewed in the United States on December 19, 2012
Kinda like a Leatherman multitool, but specifically made for bikes, this high quality tool is a great asset to any bike kit. I went through my bike to determine what tools I'd need on the road/trail and this tool set more than meets those requirements. There are more tools than most of us will ever use, and it's heavier that some weight conscious riders will accept, but for those of us who ride without vehicular backup, this tool set provides peace of mind. The tools are made well with enough metal to provide the strength necessary to prevent damage to the tool or the nuts and bolts it is used on. The chain tool is impressive, too. The design is well thought out, such as placing the allen for the chain tool on one half and the chain tool on the other so there is enough leverage to make it work. Some chain tools provide a small holding tab that is quite insufficient for the torque required to remove or install a chain pin. Even the adjustment nuts for the tool are different sizes so that the opposite side has a hex wrench to tighten or loosen the deployment of the tools. The pedal wrench will easily snug down a loose pedal, but as expected, it certainly shouldn't be used to try to break one loose. I like the added quality of etched labels on the tools, too. All in all, a great, well engineered and built portable tool set.
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