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Dynamo Wheel Build - rim type?

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Old 12-26-17, 08:28 PM
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Dynamo Wheel Build - rim type?

Building a dynamo wheel with Son28.
Bike is a 2015 Soma ES, wheel will also be rarely used with a 2015 Cannondale Supersix Evo that has more limited clearance for external rim width (not sure but thinking 23mm rim width okay).

The wheelbuilder I spoke with suggested:

H Plus Son Archetype
Mavic Open Pro
DT Swiss RR 411 (requires use of their alloy pro head nipples).

What rim would you suggest and why?
Any rims to avoid?

thanks
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Old 12-26-17, 08:43 PM
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That hub by itself doesn't impose anything unusual on the wheel build. What tires are you thinking of running?
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Old 12-26-17, 09:51 PM
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28-32mm clinchers, Compass, or 28mm Conti GP4000s ii or other 32mm that are actually 32mm

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Old 12-27-17, 01:11 AM
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For 35 mm tires on a do all work bike, the Velocity Dyad is unbeatable IMO. Eyelets are just plain dumb. I have 4 of them now. One with a SA XL-FDD hub, SA RD5w, a Rohloff14 and a SA RD3. All heavy duty and everlasting. Most of the SA spokes are 2.3/ 2.0 Wheelsmith. My dyno drum hub has 23,000 miles. Handles any road, load or speed.
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Old 12-27-17, 01:15 AM
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Why not the rim you have on the rear wheel?
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Old 12-27-17, 01:25 AM
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Most reasonable road rims should be appropriate for your intended use, particularly with conventional spoke counts. Is tubeless compatibility important for you? Are you concerned with aerodynamic performance? Do you like a more vintage look, such as a box section?

Some nice rims I'd consider: Velocity A23, Velocity Quill, DT R440. Pascenti Forza, H+Son Arcetype, the new Mavic Open Pros look promising. If you want a box section rim for OG rando cred Pascenti makes the Brevet, Velo Orange makes the Diagonale if you don't care about tubeless profile (I would).

I might pick the Quills if I wasn't worrying too much about price, I like the A23s I've built, also the R440s I've built.
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Old 12-27-17, 01:55 AM
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Originally Posted by Flounce View Post
H Plus Son Archetype
I have these on an Giant Defy [ALU] that I converted to a commuter/e-bike. They have coped okay with the weight and commuting. Good wheel/rim given the price point.
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Old 12-27-17, 02:06 AM
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HED Belgium Plus with Cx Ray spokes .... it will allow you to use clinchers or tubeless ... I have them laced to Chris King R45 hubs and I am very happy. I'm currently using IRC IRC Formula Pro RBCC tubeless tyres in 25mm .... they measure true (25mm) on these rims
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Old 12-27-17, 02:53 AM
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Originally Posted by dim View Post
HED Belgium Plus with Cx Ray spokes .... it will allow you to use clinchers or tubeless ... I have them laced to Chris King R45 hubs and I am very happy. I'm currently using IRC IRC Formula Pro RBCC tubeless tyres in 25mm .... they measure true (25mm) on these rims
With such a wide rim such as the Belgium+, I'd sure hope a tire would measure at least as wide as marked! If not, it would be way undersized on anything that was considered "normal" up until a few years ago.
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Old 12-27-17, 03:03 AM
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Originally Posted by ThermionicScott View Post
With such a wide rim such as the Belgium+, I'd sure hope a tire would measure at least as wide as marked! If not, it would be way undersized on anything that was considered "normal" up until a few years ago.
Prior to fitting my IRC tyres on these HED Belgium Rims, I had Specialized Turbo Cottons fitted. They were the 24mm wide ones, but measured over 27mm on these rims. Conti GP 4000 SII in 25mm measure over 28mm on these rims from what I have read.

On my Bike (Giant TCR Composite 2), 28mm wide tyres are a really tight fit, so I prefer to use tyres that measure under 28mm wide when pumped up

My next set of tyres will be the IRC Roadlite Tubeless and from what I have read, they measure wider on these rims. So, I will be getting the 23mm wide, which should measure just over 25mm when fitted (the 25mm measure close to 28mm wide)
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Old 12-27-17, 07:34 AM
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I thought the Belgiums were gone.

I have some DT 540 rims. Very nice rims, don't require any special nipples. i would never use anything requiring special nipples or spokes and would use brass nipples on a conventional build.
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Old 12-27-17, 07:54 AM
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I built mine up with a Velocity Atlas and. SP hub. Rode it across Canada this Summer! The rim also has been across Europe .
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Old 12-27-17, 08:09 AM
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I re laced my SON dynohub in the original rim, , new spokes, sold the old/ near new XT hub.

Want name dropping? ...Sun CR18 Same extrusion rolled in all diameters.. whatever yours uses (you failed to say)
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Old 12-27-17, 09:44 AM
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Match rim to intended use, not to the hub. The dyno hub doesn't care as long as it has the correct number of spoke holes.


Commuting/heavy touring? Mavic A319. "All around" riding? Maybe the VO Diagonale or Sun CR-18. Randonneuring? What are your riding now?
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Old 12-27-17, 09:46 AM
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I'm building up two dynamo wheels this winter.

For one I'm using a Mavic A-119 with 32c compass tires because that's what's on the rear wheel which I'm not replacing. I wanted matching rims so I didn't consider anything else for this wheel.

For the other one, I'm building a set with CR-18's for 38c compass tires. Other rims I considered for the set were H plus son TB14, VO RAID, and Velocity A23. I went with the CR18's because they were ~1/3 the cost and perfectly adequate for how I will use them.

If I were building a wheelset for a soma ES I would want polished silver rims because I like the way they look on a steel frame. I'm probably in the minority there.
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Old 12-27-17, 09:59 AM
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Originally Posted by Flounce View Post
Building a dynamo wheel for long distance rides. I weigh 190lbs, bike will have front rack carrying minimal gear, under 30 lbs.

Son28 hub. Soma ES bike.

Which rim?

within reason, price not a big factor. Thanks.
It doesn't matter. First this is a front wheel so they are inherently stronger to begin with. It takes a lot of abuse...some of it intentional...to break a front wheel. But, more importantly, a rim does very little to add to the strength of a wheel. A heavy rim doesn't do much for a wheel except make it heavy. It doesn't make it stronger nor more durable. It serves as a convenient place to put a tire and as a vehicle to allow the spokes to do their job.

Spokes are what you should really be concerned about. The spokes do all of the work of keeping a wheel strong and durable. Pick a good spoke and then pick any rim you like. Most people do it the other way around and just use a "whatever" spoke.
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Old 12-27-17, 10:24 AM
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Thank you all. Kingston, Iím thinking the same thing, I want to polished silver rim. The H Plus Son Archetype comes in a polish silver.

Is there a reason you were looking at the TB14 rather than the Archetype ?
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Old 12-27-17, 12:10 PM
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Originally Posted by Flounce View Post
Is there a reason you were looking at the TB14 rather than the Archetype ?
I think the aesthetics of a classic box section rim looks better on a steel frame.
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Old 12-27-17, 12:24 PM
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Originally Posted by cyccommute View Post
It doesn't matter. First this is a front wheel so they are inherently stronger to begin with. It takes a lot of abuse...some of it intentional...to break a front wheel. But, more importantly, a rim does very little to add to the strength of a wheel. A heavy rim doesn't do much for a wheel except make it heavy. It doesn't make it stronger nor more durable. It serves as a convenient place to put a tire and as a vehicle to allow the spokes to do their job.

Spokes are what you should really be concerned about. The spokes do all of the work of keeping a wheel strong and durable. Pick a good spoke and then pick any rim you like. Most people do it the other way around and just use a "whatever" spoke.
What's a bad spoke, and what's a good spoke, then?
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Old 12-27-17, 12:33 PM
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I think that the chart at the bottom of this web site that correlates the inner rim width to tire size is the best such chart.
Tire Sizing Systems

Thus, for a 28 to 32mm tire, that suggests an inner rim width of 15 to 19mm.
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Old 12-27-17, 01:49 PM
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Originally Posted by Kontact View Post
What's a bad spoke, and what's a good spoke, then?
Uh oh.
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Old 12-27-17, 02:45 PM
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Originally Posted by pdlamb View Post
Match rim to intended use, not to the hub. The dyno hub doesn't care as long as it has the correct number of spoke holes.


Commuting/heavy touring? Mavic A319. "All around" riding? Maybe the VO Diagonale or Sun CR-18. Randonneuring? What are your riding now?

This^^^^^is the answer. It really depends on the use and what size ti(y)re yer gonna put on there. I am also getting ready to build up two wheelsets. They both have different purposes albeit will carry the same size/width ti(y)re. The first is a new fixed loaded grocery bike with full racks and baskets. They will be 26"er's but carry a big MTN shoe at 2.2-2.5. Wide stout rim, so Sun Big Mammoths are for that one.
The second is a nice Jan Heine inspired "Enduro" type of rig with the bones being a vintage lugged MTN frameset. This will also be partially racked and have a Dyno up front. I will be putting on Rat Trap Pass(es) so I need a very wide rim. Only two I could find were VO's Diagonale (sold out) and/or Velocity's Cliffhangers. Going to go with the Cliffhangers as Sun's 18's aren't really wide enough (IMO) for those 52mm Compass Ti(y)res. If any of you guys have any more suggestions for a silver 26" rim brake wide MTN 32h rim please let me know. Thanks.
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Old 12-27-17, 05:17 PM
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Thank you all, that's all really helpful.

I settled on H son Plus archetype in polished silver; silver spokes and silver brass nipples; and of course the Son28. Getting it done by Norther Cycles, figured they know what they are doing.

Thanks again.
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Old 12-27-17, 05:46 PM
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Originally Posted by Kontact View Post
What's a bad spoke, and what's a good spoke, then?
A good spoke is one you actually think about where it will be used and how it is used. A bad spoke is probably just any old spoke that someone has laying around and is used as an afterthought.
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Old 12-27-17, 07:16 PM
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Originally Posted by cyccommute View Post
A good spoke is one you actually think about where it will be used and how it is used. A bad spoke is probably just any old spoke that someone has laying around and is used as an afterthought.
As the length is rather critical, I doubt many "laying around" spokes are used.

The closest thing to a universal spoke is the common 14g straight, which will work in virtually any application.
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