Singlespeed & Fixed Gear - HEX NIPPLES - What's the story (morning glory)?
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07-08-05, 05:37 PM
Okay - One of my friends was telling me about "hex nipples" or something like that. Supposedly, they are better to use with deep profile (read: deep V) rims.
So, who here knows something about them? like, where can I get them?
07-08-05, 05:46 PM
okay! they exist.
anyone here use them?
07-08-05, 06:30 PM
hex nipples make achieving higher spoke tensions easier. deep section rims usually have a higher spoke tension range.
These with the hex heads?
If your building by hand it makes no difference because you are using a spoke key on the square section.
07-08-05, 09:04 PM
i did some more reasearch and theres a tool that drives them in from the backside. it's all making sence now. It was kinda a PITA to drop the nipples down into the holes. a driver would probably make that much easier. I think i now understand why it's recommended for deep profile rims
There are a bunch of rims with fairings or deep section that don't give you access to the usual square-section part of the nipple. If you want to re-true your wheel, you remove the tire (and rim tape, if appropriate) and use a wrench with a small hex head to adjust each spoke. Mavic Cosmic Carbones fall in this category, as do some of the Campy wheels.
Hex-head nipples are sometimes used in machine-built wheels, but most wheel-building machines don't have to tighten from that end of the nipple (look at how Ksyrium's are built and assembled, for example). But it's often faster in bulk wheel assembly to use a 4.5 mm socket (or whatever's appropriate) mounted in a pneumatic drill. You can get sockets made for this purpose that grip the nipple (whether brass or alloy, magnetic sockets won't work, of course) so it's very fast to insert and tighten the nipples.
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