Spoke length help.

I just got my kh moment hub/cranks. The spoke calculator said I need
173mm spokes, this isn't a common size. I know I can get 175mm spokes,
will these still work? It's 2mm difference.

Luke.


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president_luke
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Yes and no... you could build it with short nipples but not recommended.
171 is a common size and would be better to build with. Although if
you go to a KH dealer they should have some KH spokes you can buy,
these are also 13g not 14g.

Roger


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If you are building it onto a box section rim then having spokes that
are 2mm too long wont matter as the small sticky out bit will still be
a long way from the inner tube. If you have a single wall rim then you
can geta away with slighty longer spokes as long as you use decent rim
tape.


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nickjb
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Look out for running out of thread though, spokes have normally between
8 and 15mm thread. The average is about 10. If you use longer nipples
you will just lock/cut the thread to get it to the right tension.

As a general rule the spoke calculator works out the length to the end
of the nipple. For wheel building I find it is best to go to bottom of
the slot which is about 1.5mm, it is no advantage having them longer.

Roger


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Some bike shops can order custom cut and threaded spokes at the exat
length you need but it will be more expensive.


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trials_uni

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*Caution-I may have no idea what im talking about*
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If you add spoke head washers, they usually require adding 1 mm to the
spoke length. This should leave you only 1 mm long. If the spokes on
the built wheel extend through the nipple by only 1 mm they should be
managable to cover with rim tape. Some wheel builders start a build
with spokes 1 mm long.

Wheel builder Gerd Schraner recommends to always use spoke head washers
on every wheel build to make sure that the spoke heads have a better
fit for added strenght and to help make sure the wheel will "stand".

You might see the book "The Art of Wheel Building" by Gerd Schraner.


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bungeejoe
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Spoke washers are definately a good idea and do make better wheels.
Although very hard to get hold of in the UK.

Do be aware that the unicycle spoke calculator on the Unicycle.uk.com
site does go to the very end of the nipple, not the bottom of the slot
as recommended by many wheel buiding books and as some other spoke
calculators do. When using a spoke calculator be sure to know where it
is measuring from.

Roger


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hi
you can get 13gage 171mm black spokes from
http://www.flatlandfuel.com/ I think tey would work becase the listed
size on the kh website is is 172mm
List Price: $24.99


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unigrinin
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Can someone tell me the numbers for spoke calulation programs for the
'07 Momentum hub? I want to order a hub and get the spokes without
waiting for the hub to arrive.

Pitch circle diameter
Flange distance
Ø of spoke hole
No. of spokes = 36

Pitch circle diameter is the term for the diameter of the circle
described by the spoke holes in the hub flange.

Flange distance is the distance the right & left flange is from the
center of the hub.

Thanks. Bryon


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Calves
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Calves wrote:
Can someone tell me the numbers for spoke calulation programs for the
'07 Momentum hub? I want to order a hub and get the spokes without
waiting for the hub to arrive.

Pitch circle diameter
Flange distance
Ø of spoke hole
No. of spokes = 36

Pitch circle diameter is the term for the diameter of the circle
described by the spoke holes in the hub flange.

Flange distance is the distance the right & left flange is from the
center of the hub.

Thanks. Bryon



http://www.unicycle.uk.com/hubcomparatorisis.html

That should help.


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