Review on Elite 0122902 Super Byasi Water Bottle - Stay Hydrated with Style in Black! by John Banks

A great way to carry personal items on a bike. Fits in a bottle holder. I'm not sure if the small cup insert is for drinking or just keeping things from moving. I take it for a few purposes like wearing clear or prescription sunglasses. Keeps them well protected. The plastic is enough to compress the bottle enough to fit my digital camera and then when unthreaded the camera fits perfectly and the screw top seals everything out from water and dust. I've used it on both road and mountain bikes with metal and carbon fiber frames with no problems. Fits better than the old tennis ball tubes I used.