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pick these up during the prop penny sale. standard good prop, decently brittle so they do break before bending, but when you have a ton no worries.Simple and buletproof props ! 5 stars!Absolute Kaufempfehlung! Gerade die Materialzusammensetzung ist super, ist sehr widerstandsfähig und liegt bei Belastung ruhig in der Luft. Ein plus ist auch der Sound. Sind auch bei 4S leise!Bought quite a few of these for my 250 miniquad thinking I would be breaking them a lot. The do break, but you have to try fairly hard to break them. (tree, rock etc will work well) They are flexable which may change the way your quad flies a bit. I did notice that the controls feel just a bit 'softer' when running these props as compared to a carbon fiber or stiffer prop. For the money though, these are a good buy. I will buy more - if and when I need them..Ottime eliche sempre per frame 250Good props...they break pretty easily but perform well are pretty much balanced right out of the bag. A little pricy though.Nice prop, better than the non carbon reinforced 5030 but no where near as good as the bull nose 5x4.5 or 5045. They height hunt some and you can hear them unload/flex under load. For the price they are far less of a value than the bull nose props because they break/chip very easy. Do yourself a favor and get the 5045 or 5x4.5 bull nose props. take your pick on brand they seem to be very close to the same quality and structure.wonderful little props for my Tarot 200 mini quad. and cheap enough to not worry about breaking themall 4 came perfectly balanced, very stiff. best of all the many props ive tried on a 250 quad racer. had to move the pi gains down it as these props just wont bend. also increased flight times another 20 seconds and the throttle rides lower at idle, and way more responsive to full throttle straight up.
wont be trying any other props will stick with these great find.strong like carbon, flexible like caoutchouc. best way for qav250 racer.