Wheel building

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lulubel

Über Member
Location
Malaga, Spain
This is a follow on from this thread:
http://www.cyclechat.net/threads/buying-handbuilt-wheels.96622/
(It moved away from talking about buying handbuilt wheels to building them yourself.)

I've just completed my first wheel, almost to my satisfaction. I don't think it will ever be possible to be totally satisfied with a wheel because you can go on making tiny, tiny adjustments forever and never get it absolutely perfect. But I think it's close.

I downloaded The Professional Guide to Wheelbuilding (which cost £9) and read it very thoroughly a couple of times before I did anything, and came to the conclusion that wheelbuilding didn't seem that difficult. I kind of followed the instructions to make tools, and ended up with a slightly wonky nipple driver, a truing stand that was very much my own unique design and a dishing gauge that didn't work very well! The only tool I bought was a spoke wrench.

I used DT Swiss RR 465 rims (which I got a lot cheaper than this from Planet-X, but their stock appears to be all gone now), Shimano 105 hubs and DT Competition spokes. I originally planned to use Sapim Race spokes, but the only shop I found that had them in the lengths I needed was trying to charge me over £500 shipping! (They did reply when I asked them for a corrected price, but they took a couple of days, and by that time I'd ordered the DT spokes.) Most places only sold the spokes in even lengths. I needed odd, and decided getting the lengths as close as possible was important for my first wheels.

The book has instructions for the rear wheel (presumably because it's more complicated) so that was the one I started with. Once I finished lacing it, I felt like my spoke tensions were all over the place, so I put it aside and started the front one, which went much better.

Lacing was quite easy - just follow the instructions - but truing is another matter. I found the silver braking surface very distracting when I was checking the lateral and radial trueness - it isn't perfectly even and makes the wheel look wobbly when it isn't - so I ended up using a small piece of cardboard as my gauge. I held it so the edge was just touching the rim and rustled slightly as it turned. If the rustling got louder or stopped altogether, I knew I had an out of true spot to correct.

Getting the tensions the same took the longest. I don't have a very good ear, so had to spend a lot of time checking and re-checking, and trying to determine if the tone was the same, or higher or lower.

For some reason (and I'm not quite sure why) I didn't get on with the dishing gauge I made, so I resorted to putting the brakes back on my forks, which I was using as my truing stand, and repeatedly turning the wheel around and making adjustments until I had the rim centered between the brakes regardless of which way I put it in the forks. It was probably more time consuming, but at least it was accurate.

The worst part was stressing the wheel and final tensioning. To stress the wheel, you grip 4 spokes and squeeze tightly, which I found difficult because my hands are small, and I'm also aware that there's a big difference in strength between me and the majority of people building wheels, so I was trying to squeeze them as tight as I could. I wasn't really sure how tight the spokes needed to be, so ended up with tighter than the spokes on my OH's bike (front wheel) and a lot tighter than on my trainer bike, which is a cheap bike with even cheaper wheels, so I figure they're badly made.

I'm happy that the wheel is true (in every direction), the spoke tensions are fairly even, and they're tighter than any wheel on our other bikes, but I'm not confident that I've built a safe wheel. I'll probably be very careful for quite a while.

But I am a lot more confident about the truing process now, and quite happy to get on with truing the rear.

The front wheel took me about 6-7 hours from start to finish.
 

Scilly Suffolk

Über Member
Chapeau!

I've got the same book and have relaced a couple of old wheels for practice, but lacking the other tools haven't produced anything roadworthy.

I will pull my finger out!
 
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lulubel

lulubel

Über Member
Location
Malaga, Spain
You really don't need to buy much in the way of tools. The only thing I bought was the spoke wrench.

The most difficult thing about the tools was making the nipple driver. It took me ages to file the screwdriver down, and I couldn't get on with the wheels for a while because I got a huge blister on my thumb where I was gripping the file!

Doing it the way I did - with bits of cardboard and getting the dish right by lining it up between the brakes - all you really need for a truing stand is your bike turned upside-down. It would just mean sitting on the floor to true the wheels.
 

Herzog

Swinglish Mountain Goat
Doing it the way I did - with bits of cardboard and getting the dish right by lining it up between the brakes - all you really need for a truing stand is your bike turned upside-down. It would just mean sitting on the floor to true the wheels.

That's exactly what I still do (over 10 wheels and counting).
 

PpPete

Legendary Member
Location
Chandler's Ford
I made a plywood version of the cardboard dishing gauge shown in the book. 3 layers of 6 mm ply bolted together - but the middle layer has piece "missing" in the middle - and a slot in the outer pieces. Another piece goes through the "gap" and is secured with a wingnut through the slots. Works a treat and cost £0 because I had all the materials in the shed anyway.

Stress-relieving.... leaning on the rim with the hub supported works just as well IME.

I agonised over the "safety" of my first set of wheels built from that book...until I took them down the first significant hill, and found I was doing over 60kph where in the past I'd struggle to get up to 50 kph. That's what happens with reasonable quality components and a nice tight build.
 

Herzog

Swinglish Mountain Goat
I agonised over the "safety" of my first set of wheels built from that book...until I took them down the first significant hill, and found I was doing over 60kph where in the past I'd struggle to get up to 50 kph. That's what happens with reasonable quality components and a nice tight build.

Couldn't agree more. I also used the same book, and I was slightly nervous during the first descent. However, after many miles (and years), all the wheelsets I've built have stood the test of time and not had a single broken spoke. This is not related to my mastery of wheelbuilding, but by being able to follow the simple instructions outlined in the book. I've more confidence in my handbuilts surviving unscathed than most machine built wheels.
 

the snail

Guru
Location
Chippenham
Good job Lulubel. A couple of suggestions - Sheldon brown's method of stress relieving by putting a crankarm between the spokes and twisting is probably easier/more effective than using your fingers, and being a bit hard of hearing I found getting my ear right next to the rim made it easier to judge the tension.
 

Ian H

Ancient randonneur
I've never bothered with a dishing tool, just turn the wheel round in the jig. I always bring the guides in so they touch at the furthest out point and continue to bring them in as truing progresses.

Your wheel sounds fine. Bonus points if you haven't got crossed spokes where the valve goes.
 

fossyant

Ride It Like You Stole It!
Location
South Manchester
The wheels will be fine.

did my first set last summer, although it was just rim replacements, and my spokes weren't the right size for the old rims - 2mm too short. Been 100% since.

With PpPete about the relieving - put wheel on ground, and press real hard on either side of the hub and roate round the wheel. Repeat other side.

Found I did this quite often after final truing, relieved the tension, then tidied up the truing again. This carried on for a while and finally they didn't budge out of true.
 
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lulubel

lulubel

Über Member
Location
Malaga, Spain
Thanks, guys. I think some of the alternative stressing methods might have saved my hands (and I was wearing a pair of heavy leather gardening gloves).

I'm wondering if it would be worth trying another method in case I haven't stressed them enough, but I've just read this thread and I'm now concerned about over-tightening. I'm not physically strong, but I do have a tendency to do things up very tight. (When I first put the towbar mounted bike rack on my car, I did the bolt up as tight as I possibly could, then asked my neighbour to check it for me and see if it was tight enough. He told me he was sure it was, since he couldn't get it any tighter. I had a hell of a job getting it off again!)

So, am I in danger over over-tightening spokes?
 

I like Skol

A Minging Manc...
It sounds as though your wheels are spot on Lulabel. I did my set last week, the first ones in at least 5 years and It went very easily and they are probably the best wheels I have ever built. I did pick up a point about aligning hub markings and valve hole and also pointing the spokes away from the valve, looking back at my other wheels these points were overlooked in my pre-internet info days.

Have confidence in them, they won't let you down :thumbsup:
 

MontyVeda

a short-tempered ill-controlled small-minded troll
nice post... I'm toying with the idea of building a set of wheels too, although my attempts at simply straightening a wheel to date would only work in my favour if i wanted a job in the Pringle's factory!

However with the right guidance and some home made tools, and plenty of spare hours... I think I'll give it a bash.

What's the worse that could happen?
I take my loosely built wheel to the LBS and ask them to finish it off for me!

or... I go out on my newly built wheels only to find they collapse under me!


either way... you've inspired me :thumbsup:
 

PpPete

Legendary Member
Location
Chandler's Ford
Thanks, guys. I think some of the alternative stressing methods might have saved my hands (and I was wearing a pair of heavy leather gardening gloves).

I'm wondering if it would be worth trying another method in case I haven't stressed them enough, but I've just read this thread and I'm now concerned about over-tightening. I'm not physically strong, but I do have a tendency to do things up very tight. (When I first put the towbar mounted bike rack on my car, I did the bolt up as tight as I possibly could, then asked my neighbour to check it for me and see if it was tight enough. He told me he was sure it was, since he couldn't get it any tighter. I had a hell of a job getting it off again!)

So, am I in danger over over-tightening spokes?

Very unlikely - you followed a good recipe in that book, with high quality components- whereas the thread quoted involves a relatively cheap & nasty rim and, apparently, someone with no mechanical sensitivity whatsoever trying to repair it.

However.... if you want to check and have an ear for it this article is interesting.
I have no musical empathy whatsoever, but until I bought a tension gauge I used to take them up to somewhere in the right ball park and then call my wife "Dear? Can you tell me whether this on the A above middle C" - she'd look at me pityingly, I'd adjust accordingly, then go round the wheel and she'd call out "sharp" "flat" as the case may be. Interestingly when I bought a tension gauge I checked some of those older wheels... and didnt feel the need to go round tightening or loosening any of them.
 
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