In my view, not a single disadvantage, but here are a few advantages:
+ This is material sturdy and does not flex
+ The lip is very thin. You come well under the tires
+ The lip is swung. If the first attempt under the tire!
+ The lettering entering into argument on the back serve as a click system, so you when not in use has a pocket knife large object. (Stay with me along too!)
+ Does not look terribly ugly. On the contrary, seh pretty.
#The Notch for spokes terminals works ordunggemäß
edit: if you already made smaller height (10 cm) drops onto hard ground the assembled siphon, they separate themselves. I generally do not rumwerfe tool, special treat properly, is the irrelevant for me. No point deduction.