Instruct: Classify the given Amazon review as either positive or negative.
Query: flimsy. fragile. small viewing area

the mirror takes constant adjustment, has too small of a viewing area, and snapped off wile i was riding across a bridge, and is now in the potowmac river.the attachment to the helmet and flexible wire are pretty quality, thoughis there really is a durable helmet mirror... with maybe a convex lens?