M & W 9 Speed is what I think you're talking about. It has a low range, standard range and a high range. It makes the O' have 9 speeds altogether. I have the ud-6 which only gives you 2 gear options, ultra slow or high range.

Attached Images

	o3.jpg (34.9 KB, 133 views)
	o10.jpg (25.3 KB, 131 views)