not try very long but for what ive seen its very good but very hard to get at a third floor cause it weight so much.. i really like it. i cant wait to upgrade battery and controller of that beast into a 60v one ... definitly a good summer is coming ...also thanks mdg for financing us .sometime someone who have not much credit just need a chance to proof they are reliable and im glad mdg understand this its sad cause they are the only one by far .i did try so many financing of all sort before and they all refuse me regardless the amount..im at my second order with them and my first was a samsung tv. and was pay in full long ago thanks so much mdg!!