Spoke Length for Deep V and Rear 6500 Ultegra Hub
I used the spoke calc and I get 284.6 for the left side and 282.7 for the right side on a 32 hole 3 cross build. I'm guessing I need to be looking for 285mm and 283mm? I'm around 200 lbs and carry a pannier. I'm guessing the DT comps in 2.0,1.8,2.0 would be a solid choice. The best price I can find is $23.50 shipped for 18 black with nipples.
Thanks in advance |
no, you need to go shorter. 284mm and 282mm
spokes stretch and rims compress. just an idea, but you might want to try 2.0/1.8/2.0 comps on the right and 2.0/1.5/2.0 revos on the left which will allow the left side to stretch more and result in a more durable wheel. if you use revo spokes, DT spoke calc will recommend 1mm shorter than comp. in which case it would be 282mm comp and 283mm revo |
Assuming your calculations are correct, go with 282 and 284. Always round down to avoid running out of spoke threads. DT Swiss Competition spokes are a good choice. I suggest that you try using the DT Swiss spoke length calculator.
Edit: I would not use Revolutions on the drive side rear. They'll stretch too much. Revolutions would be fine on the non-drive side or on the front wheel. Al |
Each time I try and use the DT spoke Calc when I try to select a drop down item I am forwarded to the german version of the page. Done with that. Im using spocalc.xls by Damon Rinard. Thanks for the info DT Comps in 282mm and 284mm it is.
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Originally Posted by AEO
(Post 9118368)
no, you need to go shorter. 284mm and 282mm
spokes stretch and rims compress. just an idea, but you might want to try 2.0/1.8/2.0 comps on the right and 2.0/1.5/2.0 revos on the left which will allow the left side to stretch more and result in a more durable wheel. if you use revo spokes, DT spoke calc will recommend 1mm shorter than comp. in which case it would be 282mm comp and 283mm revo But however...I question why you are using Velocity DeepV's for a set of road wheels? Are you going just for faddish looks...or performance...? Velocity DeepV's are extraordinarily heavy rims...and offer absolutely no performance benefit over Mavic CXP-33's for example. If you are going for performance - welp your resulting wheels will be tank wheels. =8-) |
For those who need to know...
ERD for Velocity DeepV's is a minimum of 581mm and a maximum of 582. Do not use 580mm as you think you are measuring because Velocity uses something similar to what Campy used back in the late 80s/early 90s to create the joint resulting in an additional 1mm of material at one or both holes to either side of the joint. =8-) |
I guess I'm in information mode today... =8-)
If you are going to do a lot of Velocity DeepV's like I do...buy yourself a 32 color set of Sharpies. Finish damage tends to occur at the holes near the joint - the Sharpies come in very handy. =8-) |
Damon Rinard's spocalc is exactly correct. Meaning the end of the spoke will be just at the inside of the rim, with some threads left over.
Mavic's spoke calculator adds a couple of mm, which gets the spoke to the end of the nipple. I guess what I'm saying is that you can round up or down a little bit with Rinard's spocalc with no problem...I've done it before and it's worked great. In fact, with spocalc I'll just round in the nearest direction and it always works out fine. |
Originally Posted by mrrabbit
(Post 9119735)
For those who need to know...
ERD for Velocity DeepV's is a minimum of 581mm and a maximum of 582. Do not use 580mm as you think you are measuring because Velocity uses something similar to what Campy used back in the late 80s/early 90s to create the joint resulting in an additional 1mm of material at one or both holes to either side of the joint. =8-) |
Originally Posted by mrrabbit
(Post 9119718)
AEO's spoke sizes given above ARE EXACTLY CORRECT!!! 284mm and 282mm assuming 2.0 heads. Use at least 12mm nipples...14mm would be better.
But however...I question why you are using Velocity DeepV's for a set of road wheels? Are you going just for faddish looks...or performance...? Velocity DeepV's are extraordinarily heavy rims...and offer absolutely no performance benefit over Mavic CXP-33's for example. If you are going for performance - welp your resulting wheels will be tank wheels. =8-) Thanks for the help all ! :love: |
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