3 of 3 people found the following review helpful
Not good enough,
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This review is from: Contour Vented Helmet Mount 2550 (Electronics)
The elevation angles the mount features are a nice touch, but it's nigh impossible to tighten the straps to get a good solid stable attachment. Don't bother with this and get the multi-purpose flex strap instead, it works great with my vented helmet and has far more applications as well.