* Change 4 Part Dark Gray 2739b Technic, Link 1 x 6 with Stoppers {Regular to Alternate}
* Change 4 Part Black {2739 Technic, Link 1 x 6 - (Undetermined Inner Ring Ends Version) to 2739a Technic, Link 1 x 6 without Stoppers} {Alternate to Regular}
Comments from Submitter:
From sealed set contents. Photos found at amazon.de, ASIN B012LF9566.
I moved the black ones to regular because it is clear now (since nearly all 2739 from other sets are determined) that they came in early copies while the grey ones were inclueded in later copies.