Obviously it doesnt improve the lack of notchiness but gives it more heft at least. Only downside is my sons small BMX bike (20" wheels) doesnt really fit--it works, but not as well as the rest of our bikes. v one piece Sound seems to come through pretty well. -I have used it for several hours outdoors after leaving it there to charge in the sun and only being on the USB that 30 minutes. v one piece The middle bar is adjustable which I appreciate. v one piece I expected more from RHA. I returned and obtained another pair and the same thing happened with the second set. I bought 2 of these for my Mini and I drove for 8 hours with 2 mountain bikes and there was no wobble or major wind noise. v one piece I should have gone with the 9. I especially like the toe ring.
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