TUTORIAL - chain assembly PART 2 - CATIA V5 advanced

How to model a parametric - associative gear for the chain assembly?
PART 1 http://grabcad.com/questions/tutorial-chain-assembly-part-1-catia-v5-advanced
PARTS are here http://grabcad.com/library/chain-link-advanced-tutorial-part-2
7 Answers

Here are the tutorials...
PART 2.1 http://youtu.be/Jzifw-svPY8
PART 2.2 http://youtu.be/bD1KftdaKbE
Trailer http://youtu.be/dLgm-aUP0Qs
the last will follow soon...
Answered with a tutorial: https://grabcad.com/tutorials/tutorial-chain-assembly-part-2-catia-v5-advanced