Thanks for the dimensions required for the two stems, its something I hadn't considered. My riser bars have got about an 80mm length in the centre before the rise, so the Androes stem wont be suitable. The handle bars could probably be 40mm shorter on both ends without affecting the current fold.
I did a 15 mile ride on Sunday and was very happy with the bar ends, felt quite fast, perhaps that was weather conditions. Also got used to the wide feel.