Originally Posted by
Imazagi
Absolutely; I overloaded mine immediately (big Abus chain, 3 hardcover books) and it bounced on the tire even though I was using the decaleur. The canti tab mounted versions are a lot more sturdy. These are just for supporting a light rando bag, not for carrying loads.
With one or two possible exceptions, decaleurs are not designed to take much weight. They are useful, though, if not indispensable. A bag toppling forward or sideways is a quick way to tear the tabs off any mini rack, methinks.
They are expensive, especially if you have multiple bikes and bags in different sizes. I have been looking for an affordable solution, and so far this is the best I've come up with. Cobbled together from a Minoura Swinggrip and a length of aluminum tubing. About $15 worth of material and a few hours of my time.
Not the prettiest solution (maybe a bigger bell will help), but it has been on my test mule for a few hundred miles and so far it has held up quite well: