Topeak Alien II. solid product! a little on the heavy side, but Topeak Alien II 26-Function Bicycle Tool has everything you need to stay riding on the trails.
Nice tool set include chain pin tool and spoke adjusting wrench. It is a nice tool set, include all the allen wrenches you needed to adjust bike handle, brake and brake handle, speed rover, seat position.
It also include the chain tool for remove a section of the chain. In addition, it has two size spoke wrench for ajusting the wheel.
When you ride your bicycle, your tires may rub against the brakes. This is easy to fix wheel problem – spokes need adjusting. What you need to do is wheel truing.
Place bicycle upside down. Spin the wheel while holding a pice of chalk close enough to the wheel. After spun around a few times, stop the wheel and take a look those chalk marks. Do this process on the other side of the wheel. Tighten the spokes on the other side of the chalk mark and loosen the spoken facing the chalk mark. Adjust each spoke one turn.
Wipe out that chalk mark. Once all the chalk marks are gone, you can spin the wheels and using chalk to find the next spot to tighten and loose the spoke. At the end, you have a perfect round wheels 
The included spoke wrench has two sizes. It works fine for all our bikes.
I used this tool assembled a complete tandom bike in two hours. The tool felt little loose at the end of the assembly. But nothing really worn out.
Bicycle Tool. I have not actually used the tool yet but I have attached it to my bike. The next time I go for a ride I will be prepared to fix the bike if it breaks down. The tool has everything I need.