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How much dish should my front wheel have?

8938 Views 15 Replies 9 Participants Last post by  Mike T.
I will be running a King ISO 9mm to a flow and a King LD 20mm to an arch and kind of forgot that they should be dished. I am using the same spoke length on each side. Rounded up or down to the nearest even length, DT comps w/ the supplied DT brass nips. Using Avid BB7s on a post mount Fox (20mm front hub to arch) and IS rigid fork (9mm froth hub to flow)

I have a dish tool and a proper stand.

Thanks in advance.
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I'm not sure I get the question, your rim should always be centered between hub axle ends.
appleSSeed said:
I will be running a King ISO 9mm to a flow and a King LD 20mm to an arch and kind of forgot that they should be dished. I am using the same spoke length on each side. Rounded up or down to the nearest even length, DT comps w/ the supplied DT brass nips. Using Avid BB7s on a post mount Fox (20mm front hub to arch) and IS rigid fork (9mm froth hub to flow)

I have a dish tool and a proper stand.

Thanks in advance.
Unless it is something unusual, front wheels have the rim centered on the hub.

If the spoke flanges are equal distance from the outside axle on each side, there is no dish (or equal dish), and you'd use equal length spokes on both sides.
Fixed said:
Unless it is something unusual, front wheels have the rim centered on the hub.

If the spoke flanges are equal distance from the outside axle on each side, there is no dish (or equal dish), and you'd use equal length spokes on both sides.
Standard disc mount spacing pushes the left flange in and creates a need for unequal dish and unequal spoke lengths. The rim still needs to be centered between the hub ends, but on a disc front hub it is no longer centered between the flanges
calc

boomn said:
Standard disc mount spacing pushes the left flange in and creates a need for unequal dish and unequal spoke lengths. The rim still needs to be centered between the hub ends, but on a disc front hub it is no longer centered between the flanges
Then I'd go through the calculations just like a rear hub:

http://www.bikeschool.com/tools/spoke-length-calculator

http://sheldonbrown.com/rinard/spocalc.htm
Fixed said:
Which is what I do for any wheel, front and rear. I use the DT spoke calc which does it in one step
Ok. I should be good then. Spacing out this morning I guess. I did the calculations and both spoke lengths were close enough to use the same length.

Thanks guys.
appleSSeed said:
How much dish should my front wheel have?
If you have to ask that question you'd better put the spoke wrench down and back away slowly.
3.75





:arf:
Mike T. said:
If you have to ask that question you'd better put the spoke wrench down and back away slowly.
I thought the same but tried to be friendly... :p
appleSSeed said:
Ok. I should be good then. Spacing out this morning I guess. I did the calculations and both spoke lengths were close enough to use the same length.

Thanks guys.
That's good, but do you have a dishing tool? If not get one! While dish can be calculated, getting it right during the build with out a way to measure it can be quite difficult or cumbersome. The fastest, easiest and most accurate way to get it right is with the correct tool, like the Park Tool WAG-4, http://www.parktool.com/product/wheel-alignment-gauge-WAG-4 , the WAG-3, http://www.parktool.com/product/WAG-3 , or something similar.

If you don't have an accurate handy method of checking and setting dish, I'm afraid I'd have to quote and agree with Mike T., "If you have to ask that question you'd better put the spoke wrench down and back away slowly."

Good Dirt
Squash said:
That's good, but do you have a dishing tool? If not get one! While dish can be calculated, getting it right during the build with out a way to measure it can be quite difficult or cumbersome. The fastest, easiest and most accurate way to get it right is with the correct tool, like the Park Tool WAG-4, http://www.parktool.com/product/wheel-alignment-gauge-WAG-4 , the WAG-3, http://www.parktool.com/product/WAG-3 , or something similar.
Roger Musson's ee-book shows you how to make a perfectly good one out of cardboard. It works like the Park but costs nothing.
Squash said:
That's good, but do you have a dishing tool? If not get one!
or get a frame and fork! :eek:

on another note: how much dish should my burrito have?:idea:
highdelll said:
or get a frame and fork! :eek:
Yeah I used a frame and fork for 46 years until Roger shipped me one of his fancy wooden stands. I used to gauge dish from chainstay or fork leg to rim with inside calipers and now it's harder :D

BTW I'm using Roger's stand (ok it's mine now) at the moment in the re-building of a rear wheel. Pluck spokes and it resonates like a gee-tar. I swear to god I'm gonna tune an old wheel to play (when plucked) the intro to "Stairway" one day. Now that would be one cool YouTube vid.

on another note: how much dish should my burrito have?:idea:
That depends on the size of your burrito. :rolleyes:
Mike T. said:
...

That depends on the size of your burrito. :rolleyes:
el grande of course!:thumbsup:
highdelll said:
el grande of course!:thumbsup:
Ok then, choose a dish 1" bigger all round to be on the safe side.
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