As far as I understand, the first batch came with an iKon Bamboo handle. The second batch came with the iKon OSS handle. Now, we are back to the Bamboo handle. The business end (the heads) are all the same that I know of.
Confirmed. I received my bamboo handle on Monday. I've had a couple of shaves with Gilette yellows and they have been absolutely smooth and irritation free. I do need 3+ passes to get the job done though, so either this is not super efficient or I don't have the angle down. Either way, the Mamba is delightful to shave with.+1 This is my understanding as well.
Its mild, but i find it very efficient for my face. I can get a nice close shave without nicks, weepers, or irritation. I like it.It's a mild but very nice shaving razor!!!