I understand that for a multi-tool, there are lots of things that could be better or could be added.
Chances are, you already have an allen keys set, and a small spoke wrench.

I agree the 5mm hex is a bit short, but make it longer and it can snag and start causing damage in bag/pocket.

As for the missing spoke wrench… I’m really not sure I’d like to be swinging a tool that is huge compare to a spoke wrench, to do wheel truing – just put a spoke wrench onto your keyring and problem solved.

It would be nice to see something similar, made from 7075-T6
(7075 is the hard to machine, but 7075 is an aluminum alloy that is as strong per volume as most steels).

the lockring hook is solid — i removed one cog, installed another, and then went back to the original (again, just to test out the hook). plenty of torque and plenty of hook. this and a minute of rotafixing is all you’d need for long-distance fixed touring cog switches.

i’ve used the 15mm end twice now, once to just test it, and again when i skidded through a tire and blew out a few days later. it’s solid and has plenty of torque.

i agree that the 15mm end could be more useful open (and in fact, it would only take a person about 20 minutes with a cutting blade to make it so), but i did find another benefit of it being closed — you can slip it over the end of park’s cpw-7 crank puller … http://www.parktool.com/products/detail.asp?cat=26&item=CWP-7 … and you’ve got all the torque you need to pull your cranks, should the need arise.

i don’t mind the 8, 9, and 10 wrenches cause one of my bikes is an old schwinn conversion and has 10mm bolts all over the front brake — mounting bolt, brake pad bolts, cable cinch bolt.

overall, this tool’s just as at home in the shop as in your bag, in my opinion. nice one, pedro.

I found out that cone wrenches are too flimsy! The headset wrench works well for cheap, and I have not switched my cogs… ever, so do not yet miss the lockring hook.