Well received my 17t pinion today, I'm going to hook it up this weekend and see if there is any difference. I also did NOT receive the Ball Drive Set. Someone at HobbyThek misread the order and pulled a suspension arm instead of the ball drive set. (the number 305007 instead of 306007). So I'll have to wait another week before I get it. [
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I have the worst luck with ordering online. In three months, this is the fourth mess up on an order from someone RC related! 3 different companies.