Spoke Length
01-01-11 | 03:42 PM
#1
Thread Starter
the bike made me do it
Joined: Dec 2005
Posts: 528
Likes: 0
From: Paris, of the prairies
Spoke Length
I am going on a tour next week and need to bring a few spare spoke on my trip. I built my wheels on my bike, but now for thee life of me, I cannot find the spoke lengths I wrote down.
I have looked at 2 different spoke length calculators online and just cannot figure it all out anymore.
If someone could help that would be great.
Front Rim: Mavic XM 317 Disc
Front Hub: Shimano Deore XT HB M756
Rear Rim: Mavic XM 317 Disc
Rear Hub: Shimano Deore XT FH M756
Spoke Pattern: 3 cross
Any help on spoke lengths would be great. Thanks
I have looked at 2 different spoke length calculators online and just cannot figure it all out anymore.
If someone could help that would be great.
Front Rim: Mavic XM 317 Disc
Front Hub: Shimano Deore XT HB M756
Rear Rim: Mavic XM 317 Disc
Rear Hub: Shimano Deore XT FH M756
Spoke Pattern: 3 cross
Any help on spoke lengths would be great. Thanks
01-01-11 | 03:57 PM
#3
Thread Starter
the bike made me do it
Joined: Dec 2005
Posts: 528
Likes: 0
From: Paris, of the prairies
01-01-11 | 04:06 PM
#4
Senior Member
Joined: Apr 2009
Posts: 39,897
Likes: 3,865
From: New Rochelle, NY
Bikes: too many bikes from 1967 10s (5x2)Frejus to a Sumitomo Ti/Chorus aluminum 10s (10x2), plus one non-susp mtn bike I use as my commuter
I wouldn't fool with a trusted aligned wheel, it's bad karma if nothing else.
You can measure your existing spokes easily enough if you're willing to remove a tire.
Place something across the flanges of the rim above a nipple, measure the drop to the top of the nipple. Now measure along a spoke from the hub to the outside of the rim, subtract the drop and you're home. Note, that spokes are sized from inside of the elbow to the end so measure correctly, and you should deduct 1mm so the spoke comes up slightly short of the top of the nipple.
You can measure your existing spokes easily enough if you're willing to remove a tire.
Place something across the flanges of the rim above a nipple, measure the drop to the top of the nipple. Now measure along a spoke from the hub to the outside of the rim, subtract the drop and you're home. Note, that spokes are sized from inside of the elbow to the end so measure correctly, and you should deduct 1mm so the spoke comes up slightly short of the top of the nipple.
__________________
FB
Chain-L site
An ounce of diagnosis is worth a pound of cure.
Just because I'm tired of arguing, doesn't mean you're right.
“One accurate measurement is worth a thousand expert opinions” - Adm Grace Murray Hopper - USN
WARNING, I'm from New York. Thin skinned people should maintain safe distance.
FB
Chain-L site
An ounce of diagnosis is worth a pound of cure.
Just because I'm tired of arguing, doesn't mean you're right.
“One accurate measurement is worth a thousand expert opinions” - Adm Grace Murray Hopper - USN
WARNING, I'm from New York. Thin skinned people should maintain safe distance.
01-02-11 | 10:28 AM
#5
Thread Starter
the bike made me do it
Joined: Dec 2005
Posts: 528
Likes: 0
From: Paris, of the prairies
I wouldn't fool with a trusted aligned wheel, it's bad karma if nothing else.
You can measure your existing spokes easily enough if you're willing to remove a tire.
Place something across the flanges of the rim above a nipple, measure the drop to the top of the nipple. Now measure along a spoke from the hub to the outside of the rim, subtract the drop and you're home. Note, that spokes are sized from inside of the elbow to the end so measure correctly, and you should deduct 1mm so the spoke comes up slightly short of the top of the nipple.
You can measure your existing spokes easily enough if you're willing to remove a tire.
Place something across the flanges of the rim above a nipple, measure the drop to the top of the nipple. Now measure along a spoke from the hub to the outside of the rim, subtract the drop and you're home. Note, that spokes are sized from inside of the elbow to the end so measure correctly, and you should deduct 1mm so the spoke comes up slightly short of the top of the nipple.
01-03-11 | 02:39 AM
#6
Senior Member
Joined: Dec 2007
Posts: 3,518
Likes: 40
From: San Jose, California
Bikes: 2001 Tommasini Sintesi w/ Campagnolo Daytona 10 Speed
Everything is in my spreadsheet:
https://www.mrrabbit.net/wheelsbyflemingapplications.php
Just look up the rim ERD....follow the instructions in the calculation tab....take the results and round 'em down to nearest 1/2 mm if needed.
=8-)
https://www.mrrabbit.net/wheelsbyflemingapplications.php
Just look up the rim ERD....follow the instructions in the calculation tab....take the results and round 'em down to nearest 1/2 mm if needed.
=8-)
__________________
5000+ wheels built since 1984...
Disclaimer:
1. I do not claim to be an expert in bicycle mechanics despite my experience.
2. I like anyone will comment in other areas.
3. I do not own the preexisting concepts of DISH and ERD.
4. I will provide information as I always have to others that I believe will help them protect themselves from unscrupulous mechanics.
5. My all time favorite book is:
Kahane, Howard. Logic and Contemporary Rhetoric: The Use of Reason in Everyday Life
5000+ wheels built since 1984...
Disclaimer:
1. I do not claim to be an expert in bicycle mechanics despite my experience.
2. I like anyone will comment in other areas.
3. I do not own the preexisting concepts of DISH and ERD.
4. I will provide information as I always have to others that I believe will help them protect themselves from unscrupulous mechanics.
5. My all time favorite book is:
Kahane, Howard. Logic and Contemporary Rhetoric: The Use of Reason in Everyday Life
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