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About to lace my first wheel Rim opinions requested

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About to lace my first wheel Rim opinions requested

Old 07-18-09, 11:19 PM
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Grim
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About to lace my first wheel Rim opinions requested

My 98 T700 daily driver came with Sun CR17A's. Today I noticed cracks developing around the spoke holes. The PO was a really big guy as in line backer size. Like 6'7" 300+. He told me when I bought the bike he was having troubles with the back wheel getting loose and he just had it respoked. Well it looks like they over tightened or the problem was rim failure and they missed it.

I'm no lightweigh at 210 and I do plan to tour on this bike so I Need a good HD 36 spoke wheel. Hubs are good so my thought is to replace the rims myself (I'm an above average wrench, I rebuild the transmissions on my cars and trucks). I want to do both so they match.

Liking the price on the Sun CR18 ATB polished rims. Any reason I should shy away from these?

What makes the Mavic A719 better to justify more then double the price?
https://www.sheldonbrown.com/harris/rims/622.html

Thanks for the opinions

Last edited by Grim; 07-19-09 at 06:48 AM. Reason: Sleep posting is bad.
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Old 07-18-09, 11:25 PM
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Originally Posted by Grim View Post
My 89 T700 daily driver came with Sun CR17A's. Today I noticed cracks developing around the spoke holes. The PO was a really big guy as in line backer size. Like 6'7" 300+. He told me when he bought the bike he was having troubles with the back wheel getting loose and he just had it respoked. Well it looks like they over tightened or the problem was rim failure and they missed it.

I'm no lightweigh at 210 and I do plan to tour on this bike so I Need a good HD 36 spoke wheel. Hubs are good so my thought is to replace the rims myself (I'm an above average wrench, I rebuild the transmissions on my cars and trucks). I want to do both so they match.

Liking the price on the Sun CR18 ATB polished rims. Any reason I should shy away from these?

What makes the Mavic A719 better to justify more then double the price?
https://www.sheldonbrown.com/harris/rims/622.html

Thanks for the opinions
The only gripe I can see anyone having with the CR-18 is weight, but it sounds to me that it's less a concern for you than durability. As a testimony to the CR-18 design, just check out how many rim sizes Sun uses it for. I just built up a 650b wheelset with them and couldn't be happier with the price versus performance.

As for the Mavic, as with many things in cycling, they weigh less, and less costs more. It may be argued that they're made of a higher quality alloy, but that's just so they can thin them out even more.
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Old 07-18-09, 11:46 PM
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The Mavic A719 rims are wider and stronger than other rims - and are the best choice for tandems, and for some off-roading in dirt and gravel and such. Not serious mountain-biking though. I built a pair of these with Ultegra-hubs and DT 14-15-14 DB spokes. Built them X3 - laced. And these wheels are now on my customized Trek 7.5 FX. The smallest width tire for these rims is stated by Mavic as 700 X 28C. These wheels are fast, sure-footed and nimble - as well are providing a truly comfortable ride. I haven't had to re-true them at all.

Aside from tandems and hybrids such as mine, these would be ideal for loaded touring. I loves 'dem!
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Old 07-19-09, 12:09 AM
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+1 for CR-18. they're very nice rims for the price.
to top it off, you can get a pair of 36h CR-18 for $40 off of fleabay.

mavic A119/319/719 are very similar in construction to CR-18. They're both 18mm wide, accept 28mm minimum, use eyelets. I think it would be very hard to go wrong with either rim.
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Old 07-19-09, 12:34 AM
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Still not cheap, but here's the A719 for $55: https://www.petracycles.co.uk/product...ource=googleus

I have an A719/105 rear wheel that I've been extremely happy with, 36 spoke. I think the most important thing is strong eyeletted rims with 36 spokes. I just don't understand why sooooo few rear wheels use 36 spokes anymore. As Sheldon Brown wrote, they are just much, much stronger... for a negligible weight/aerodynamics penalty in most cases.

I broke a bunch of spokes on my previous commuter wheel, a 32-spoke Mavic MA3/105 combo, and I only weigh 170 pounds (< 80 kg). No issues with this new 36-spoke one.

In any case... I wouldn't hesitate to go with the CR-18. I've heard a ton of good things about them. 36 spokes and well-built are the crucial parts.
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Old 07-19-09, 12:36 AM
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No complaints about the CR-18 here either. I've had one on the back of my Bike Friday (451 size) for years and last week I replaced a rim on my touring bike with a CR-18 in the 622 size (700c). Both built up easily and have nice smooth brake surfaces.
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Old 07-19-09, 12:39 AM
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Also: anybody used Alex Adventurer rims? Similar design to the CR-18 and an intriguingly low price, around $25 online, but I haven't heard any reports about them.
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Old 07-19-09, 07:20 AM
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Originally Posted by moxfyre View Post
Still not cheap, but here's the A719 for $55: https://www.petracycles.co.uk/product...ource=googleus

I have an A719/105 rear wheel that I've been extremely happy with, 36 spoke. I think the most important thing is strong eyeletted rims with 36 spokes. I just don't understand why sooooo few rear wheels use 36 spokes anymore. As Sheldon Brown wrote, they are just much, much stronger... for a negligible weight/aerodynamics penalty in most cases.

I broke a bunch of spokes on my previous commuter wheel, a 32-spoke Mavic MA3/105 combo, and I only weigh 170 pounds (< 80 kg). No issues with this new 36-spoke one.

In any case... I wouldn't hesitate to go with the CR-18. I've heard a ton of good things about them. 36 spokes and well-built are the crucial parts.
I don't get it eaither. Finding a 36spoke without ordering is a pain. I really like the Trek Portland beacuse of the discs but shy away from it because of the 20 spoke wheels. One of the guys in the commuting forum has trashed two rear wheels already.

I have a 84 Fuji Touring III I picked up at a yard sale for $8. Back then Fuji spec'd 40 spoke rears on all the normal size touring bikes. Mine is a 25 inch frame and came factory with a 48spoke on a tandum hub for us golith Americans.

I really don't understand what was going through the minds at Cannondale on the rim choice on my 98. My 95 has L18's. My M400 has AT18's. The 98's CR17a just seem a step in the wrong direction for a bike sold for Touring especially a 25 inch frame where it is a given a big guy will be riding it. None of the rims have eyelets though and that was a big reason these rims are failing


I do want to go down to a 700x32 tire to trim up a little since this ia a Daily driver and I have good roads around here so not super concerned with going much wider. The CR18 is listing as 22mm wide so it will cover my needs.


Well glad to see no real negatives on the CR18. I will go talk to the LBS guys when they open this afternoon and see what sort of price they can get. The Ebay set is $40 plus $20 shipping. If they can get close to that I'll support them. They can probably have them in my hand by Tuesday if they don't have them in stock.

Thanks for the feed back everybody!
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Old 07-19-09, 02:36 PM
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You may be able to find some nice, sturdy "29er" rims, too, although a lot of those are 32-hole.

I recently finished a 3+ week tour in Europe (Munich to Barcelona) and I built up a pair of wheels using WTB DX23 rims (32-hole) which were only about $20. We rode lots of rough roads and were on some gravel roads almost every day, too, and the wheels held up great.
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Old 07-19-09, 02:58 PM
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Trek, and other large bike companies, seem to cut corners where the bike touches the ground. Those pathetic radial and X2 24-spoke abominations that came stock on my 7.5 - are what compelled me to build the set of Mavic A719's.

Good luck!
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Old 07-19-09, 05:33 PM
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Sun Rhynolites are pretty bombproof.
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Old 07-19-09, 07:27 PM
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Originally Posted by Grim View Post
I will go talk to the LBS guys when they open this afternoon and see what sort of price they can get. The Ebay set is $40 plus $20 shipping. If they can get close to that I'll support them. They can probably have them in my hand by Tuesday if they don't have them in stock.

Thanks for the feed back everybody!
I really want to support the local guy in this economy but when they cant even get within $10 of everybody elses regular price I have to go somewhere else becasue this economy also has a strangle hold on my wallet.

Looks like the set on Ebay is the deal to get. Possibly Niagra since they have a few other things I want and that will justify the shipping charges.
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Old 07-19-09, 10:27 PM
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CR-18s and Rhynolites are both great rims, the A719 is a bit nicer in my opinion, but a lot more expensive.

Velocity Dyad is somewhere in between a CR-18 and A719 in price and as good as the Mavic offering in my experience. Great rim, my go-to for lots of builds.
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