Originally Posted by
FBinNY
Close, but still no cigar.
The spoke is smaller than the thread, but only by 1/2 the thread height, so the nipple will still jam when it's first thread hits the last thread on the spoke.
Well poop! I knew there had to be a catch.
Originally Posted by
FBinNY
The extra length available is because spoke companies tolerance their spokes and nipples around the concept of the ideal height being to the top of the nipple, so they leave room for over or under that ideal.
Thread strength is unaffected because the structural part of the nipple is the head (which is why it's important that spokes come well up into it), and the extra thread engagement below the head is meaningless either way. Think of a bolt, you put a nut on the end & and once the thread goes beyond the nut, the arrangement doesn't get stronger or weaker because of bolt above the nut, or unused threads below.
When you get the spokes, thread one nipple down all the way, and that'll show you how far up the spoke can come before you run out of thread.
It's a good thing they do...so far in the Alpine III the size I've been able to find online is 288mm then it jumps to 290mm (what I had ordered) the calculator at DT (for the drive side) came up with a real length of 288.8 and rounded it up to 289. I'll, hopefully be able to get enough tension with the 290's.
I'll just have to see when they get here.
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