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Mavic Open Pro UST Disc for touring

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Mavic Open Pro UST Disc for touring

Old 01-12-19, 07:13 AM
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NeoY2k
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Mavic Open Pro UST Disc for touring

Hello,

I am considering the Mavic Open Pro UST Disc rim for loaded touring (but not too heavy).

Usage: 75kg rider, 10kg bike, 17-20kg luggage (total max 105kg or 230 lbs). Riding on road, occasionnal gravel road (sometimes it's needed), for month-long camping tours in Europe. 28mm-32mm GP4000/GP5000 tires. And for the rest of the year, sunday morning solo rides, around 100km, which is a reason I like my bike still reactive/fun and not too planted (and also when touring, I like my bike to feel like a bike even when touring, not feeling entirely like a truck (though, when loaded, well... it's loaded).

Right now I am touring on older rim brake Open Pros (on a rim brake bike). They are bombproof, I rode them on gravel-almost-mtb stuff, never went out of true, and impart some confort. Which is crazy for a "light" rim. However, they lack lateral rigidity and are too narrow rims in my opinion for 28mm tires (it works, but it could be more stable especially cornering). So the new, larger, rims sound good. But they seem crazy lightweight. On the other hand, I had no problems with the older Open Pros which are also pretty light, so...

What is your opinion on using these new Open Pro UST Disc rims? Do you thing it would be suitable and namely, strong enough for my usage? I must admit... I just find this rim so beautiful... (and I tour on old open pros at the present time - though it is not perfect).

Thanks,
Nicolas
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Old 01-12-19, 07:55 AM
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What spoke count are you planning on? I'd use at least 32. and you should be fine, particularly on 32 mm tires. Since it's a disc rim, you don't have to worry about brake track wear or abrasion.
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Old 01-12-19, 08:01 AM
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Yes I am thinking of a 32 spoke count which is max spoke count available for this rim (but I wouldn't use 36 anyway, 32 is perfect).
Yeah Mavic has been reducing its brake track thickness... But it doesn't matter for disc brakes.

So that is one +1... Any diverging opinion?

Thanks,
Nicolas
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Old 01-12-19, 08:20 AM
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I think you will really like them.

I have the Mavic Cosmic UST disc wheels and they look like they are probably very similar to the current Open Pro UST disc rim. Running them tubeless with the stock tires will be interesting.

I am still setting mine up. I bought a new set at a discount that appeared to be a return to a bike shop or something. There is one little scratch on the axle and some blown out sealant ooze on the rim but otherwise they are new.

I inflated the front with my Airshot mini inflation tank and put 40 ml of Stan's sealant in.
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Old 01-12-19, 09:03 AM
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Wouldn't be my first choice for loaded touring, but it seems like you have already made up your mind.
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Old 01-12-19, 09:30 AM
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I would chose a wider rim and also use 36 spokes.

BTW I have two sets of the newer Open Pros waiting for lace up. They weigh nearly the same as the older versions. Andy
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Old 01-12-19, 11:02 AM
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November Wheels blogged about the Open Pro UST here. My LBS recommend them when I bought a new bike a year ago, 32 spokes, 32c tires, for a road bike. I have had zero problems and I'm very happy with the ride, but this is my first set of modern wheels so can't compare to other wheels.
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Old 01-12-19, 11:09 AM
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Pack Light , with light wheels, bring just a light gear kit .. Bike Packing bags force a smaller packing list.....


You might be a candidate for a bike trailer so gear is in trailer not added to the bike itself..



All sorts of people tour the Oregon & Pacific coast on All sorts of bikes..


bring less stuff with you , work that credit card..






....

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Old 01-12-19, 01:45 PM
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At that weight I would go for a heavier rim and 36 double butted spokes for reliability and longevity. The Open Elite is stronger than the Open Pro. The A119 rims will take 28 to 47mm tires and be very durable.
https://tech.mavic.com/tech-mavic/te...ucts/2_104.pdf
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Old 01-14-19, 09:08 AM
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Thank you.
Seems they sound like a bit on the light side for you. Which sounds reasonable. Otoh, I toured on older Open Pros without major problems, I think the new ones would be sturdier than the older one thanks to being larger and with more reinforcement, would that be your opinion too?

Which of the DT Swiss R460 db or Open Pro UST would seem stronger to you? Mavics are slightly lighter, but have eyelets and spoke hole reinforcement. Dt Swiss are rated at 110kg max (which is the actual rolling weight of me+everything, so within limits, but pushing it).

Thanks,
Nicolas
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Old 01-15-19, 06:24 AM
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Originally Posted by davidad View Post
At that weight I would go for a heavier rim and 36 double butted spokes for reliability and longevity. The Open Elite is stronger than the Open Pro. The A119 rims will take 28 to 47mm tires and be very durable.
https://tech.mavic.com/tech-mavic/te...ucts/2_104.pdf
it sounds like the original poster is seeking more modern, wider alternatives and the Open Elite is quite narrow and older too.
While the A119 rims will accept wider tires they too are an older design and wider and would work well if heavy duty was top priority.

To the OP - are you thinking of running your new wheelset tubeless or with tubes? If you get the Mavic Open Pro UST rims I believe these really are optimized for tubeless. And the only tubeless tires currently on the market for road UST are Mavic’s own Yskion UST tires. Tubed Grand Prix 4000’s might be a really tight fit- you would have to try it I guess. If it were me and I built with the Open Pro UST’S, I think I would run them tubeless. I suspect that Hutchinson or Panaracer or Schwalbe or Grand Prix 5000 tubeless would all have tubeless options that would work nearly as well as the Mavic Yskions.

I just had a wheelset built with Used Dura Ace 7800 hubs and DT Swiss R460 rims. I am currently setting these up for tubeless 700x25 Panaracer tires and tubeless valves/rim tape and Stan’s sealant - so far so good. The DT Swiss R460 is the machined sidewall rim brake version to the “db” disc brake version you are asking about. These rims are made in China and seem to be well made for such a low price point (mine were less than $50 each). My wheel builder said they built up true with no hops the first time.

2 other disc rim options that would mention that are worth checking into - 1) HED Belgium + disc rims. These are tubeless ready, wide interior volume and have read (and believe) that they set the bar for highest quality in this class,

2) options from Velocity. I was going to say to check out the Velocity Quill but I believe this is for rim brake. I will look up their 700c tubeless rim options then edit this post. I don’t know why but I like Velocity rims. They are now made in USA and I believe they are under rated.

Found it - the Velocity Quill is the rim brake version of the original disc brake specific Aileron. I should have remembered this because I have a 24 and a 28 in polished ready to be built into a set of White Industries CLD (center lock disc) 12mm through axle hubs for a custom 2 cross wheelbuild that will go onto my new Lithuanian built Wittson Illuminati titanium disc frame. These have a 25mm outer width and would work well with most tires you would choose. For me, I just had a very successful 2018 season on my A23 wheelset with 700x25 Michelin Power tires with Vittoria Latex tubes. I can attest that these have great road feel - probably not for loaded touring though. The Ailerons would probably be pretty bomb proof run tubeless with something like Panaracer Gravel Kings in 700x32 size. I have not run these before but I do have first hand knowledge of the Race A tubeless tires and so far I am impressed.

I hope this helps.

Last edited by masi61; 01-16-19 at 04:26 AM.
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