Originally Posted by
canklecat
Hero Kit multitool, the thinnest and flattest I've found that features useful chain and spoke tools.
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That looks great, and a fantastic price (currently $20 online). The main weakness I see is no outside-hex wrenches. I carry a three-way 8/9/10mm wrench (although the bike is all allen-head bolts, but helpful to others) and a thin 14/15mm for axle nuts and pedals, and a small adjustable wrench for the other side of the axle. On a road bike with quick release axles, I could ditch the adjustable wrench. But on my townie with axle nuts and a big trunk bag, I go big.