I have a GT Kararkoram 3.0....it is stock....Here it is...
BlueSkyCycling.com - GT Karakoram 3.0 29er Bike
I can't find anywhere in the manual that tells you what size spoke wrench to use, and I have nothing to accurately measure the nipple either.
Mtbr's 2016 Winter Biking GearReviews and Roundups
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