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Your thoughts. ..

Old 01-25-17, 06:10 PM
  #1  
netman9718
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Your thoughts. ..

I have a Trek Domane 4.0 with Sora 9 spd gear set.
I'm 6'2 270 and ride a lot. While riding a couple days ago i heard a clicking type noise coming from the rear wheel. Upon returning home I ran my hand over the spokes and found a couple loose spokes.
Today I took the bike to the Trek shop I bought it from. I told them of the loose spokes and they checked the tension and found the loose spokes I found. Before tightening them they found the rim was cracked. They checked to see if they had a loaner rim to temporarily replace mine while waiting for the replacement. None for thru axle and disk brakes.
So I asked rather than replace the rim with another just like it (warranty ) could they bump up to a 32 spoke rim over the 24 that is on the bike. I said I did not mind spending extra to get the higher spoke rim. They said that was doable however I would need a new hub. I don't mind the extra cost so I asked what would a new hub run. They said all they could find for my set up was one that was 600 retail. They told me the name of the hub but I forgot the name (sticker shock). I asked about a Chris King hub. They said the one they suggested was similar to CK.
They suggested I get another Trek rim and get back on the road for free. So that's what we are doing. This is the third rim they have replaced under warranty.
The reason I mentioned the Sora gear set is I would like to move up to a 105 gear set. So I guess I would need a different hub for the 11 spd gear set over the hub for the 9 spd.
I'm thinking about a 105 group set along with a new 32 spoke rear wheel.
Is there a 32 spoke hub thru axle hub that would work for both the 9 spd and 11 spd?
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Old 01-25-17, 06:14 PM
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270 Lbs.... go with 36 spokes
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Old 01-25-17, 06:27 PM
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Those 20- and 24-spoke wheels are better suited for someone who's built more like a pro cyclist than a pro linebacker. ;-)

I'd suggest getting the warranty replacement, but maybe flipping it and the front wheel as a set to someone else. Use the funds to offset some of the cost of a heavier duty (higher spoke count) wheelset. I'd be thinking 36 spokes, at least on the rear.
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Old 01-25-17, 10:20 PM
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Any 11spd hub can be used for 9/10 speed with a spacer behind the cassette. I'd bet your current wheel is 11-spd compatible, almost all new wheels are.
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Old 01-25-17, 10:37 PM
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Long term you'd probably want to go to a 32h wheel, but that can wait until you're ready to make the 11s/105 changeover.

In the meantime, you're riding wheels on Trek's dime, and I'd continue to do so until I was ready for the big upgrade.

My decision might be different if they offered a cash alternative to replacing the wheel with a similar one, and I could apply that to the upgrade. Maybe, when Trek gets tired of replacing wheels they'll me more amenable to that idea.
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Old 01-26-17, 12:09 AM
  #6  
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If the wheels won't handle your weight will the rest of the construction over time? Perhaps get the stock replacement, sell the bike off and buy something more robust?
Just my thoughts...
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Old 01-26-17, 05:24 AM
  #7  
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netman9718, I am in agreement with most of everyone else. For the long run you'll need, at least on the rear wheel, a higher spoke count. With Trek providing wheels, for the moment, you have some time to ask questions and shop around.

Brad

PS FWIW, I have a friend that's nearly your weight and is very strong. Ultimately he went to a 36 hole rear wheel using 2.0-1.8 mm double butted spokes for longevity.
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Old 01-26-17, 10:53 AM
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Thanks for the replys. I really do appreciate them. The info you guys provided answered my questions I asked and did not ask. I too am a powerful man. My background is in power lifting, college football and judo. Im 53 yoa and still work out. For now I am going to go with the Trek replacement however I am going to be thinking about a new 36 spoke rear wheel. I'm signed up for the Triple Bypass this July and cutting weight as we speak.
When I stand to climb I am putting some power down and would like a back wheel that can handle the power and weight.
The bike shop seems not to care about replacing the wheel. I wanted to bump up to a higher spoke count replacement rim which they said they would do however it was the rear hub that kept the switch from happening.
Any suggestions on a back wheel with 36 spokes and a hub that I can use with my 9 speed cassette for now and a 11 speed in the near future? I'm ready to step up.
Thanks
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Old 01-26-17, 11:28 AM
  #9  
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netman9718, I'm pretty big, too (240lb). Also powerful (at least I use to be, I was a defensive end at Wisconsin for a while*) and a bit older than you. I have a Domane 6.0, and it came with Bontrager RL wheels, IIRC. They've been great for me, but I ride on pretty good pavement, with few potholes. I think the Bontrager stuff is ok. Can't believe that they quoted you 600 bucks with a straight face. I'd call BS on that. There are 24 spoke Bontrager designs, like the one listed below. An entire tubeless ready wheel for 400 bucks. I'm guessing that there are even cheaper wheels, but you've got a terrific bike and so I don't think the money for a new wheel would be poorly spent. Why not call Trek (after you get the replacement) and see if they're interested in reducing their warranty costs by giving you a screaming deal on their product? Bontrager Paradigm Comp TLR Disc | Trek Bikes

Or, there is a set of 32h ultegra wheels on ebay right now for a BIN of 109.99:
Mavic Cxp 33 Ultegra 10 Speed Shimano Wheel Set (4030)

270 lbs and you still practice Judo and ride your bike a lot, eh? I don't know what the future holds, but I sure want you on my side!

*Until I concluded that I did not have the talent to be a defensive end in the Big Ten.

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Old 01-26-17, 12:58 PM
  #10  
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Bicycle Wheel Warehouse will hand build you a set of Mavic CXP33 hoops with 105 hubs for $319. One of my buds bought this set and they have been bulletproof. Not the lightest wheels in the world, but solid and reliable has to count too.
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Old 01-26-17, 01:03 PM
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A current Shimano 105 hub (FH-5800) works with 8, 9, 10, or 11 speed cassettes. It comes with a spacer that you may need to put on the freehub. A FH-5800 hub comes in 32 and 36 hole drilling and costs less than $50 new. I just installed a 9 speed cassette on one recently.

Does your bike happen to have disc brakes? If you have disc brakes, you will need hubs for use with disc brakes. Hubs that can be used with disc brakes on racing bikes are not too common. Racing bikes typically use rim brakes and 130 mm hubs, mountain bikes use disc brakes and 135 mm hubs. I'm guessing that may be your problem and why your bike shop said there weren't many options for hubs.

If it were me, I'd look at getting wheels with more spokes. I weigh 215 pounds and would never consider riding on wheels with less than 32 spokes. Two of my bikes have 36 spoke wheels. The quality of the wheel build will help, but more spokes result in stronger wheels. The weight difference is meaningless for someone who weighs more than the average Tour de France competitor.
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Old 01-26-17, 04:53 PM
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Thanks again! I'm going to speak with the mentioned wheel builder and see about them building me a set.
With the thru axle and disk brakes my options are narrowed.
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Old 01-26-17, 07:37 PM
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The thing that is probably driving the cost of the hub is that they are looking for something that will give you the thru-axle and the option of an 11-speed road drive train. As long as you stick with 9- or 10-speed you can get a Shimano hub that fits the bill for around $40. Shimano doesn't make a hub with a thru-axle that will accept an 11-speed road cassette yet, but they will in a couple of years. I say get a new 36-spoke rim now and if you decide to make the 11-speed upgrade in a couple of years get another new wheel then. That will be cheaper than getting one new wheel now that accommodates the upgrade.
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Old 01-27-17, 09:20 AM
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Originally Posted by Andy_K View Post
Shimano doesn't make a hub with a thru-axle that will accept an 11-speed road cassette yet, but they will in a couple of years.

Well... actually they do. https://www.universalcycles.com/shop...8&category=740


Why not build it now? Hub- $60, Rim- $60-100, Spokes and nipples- $40, Labor- $50-75. Total $275 tops for a really decent back wheel, and your center lock disc works.
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Old 01-27-17, 09:41 AM
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Let Trek keep replacing it until shimano makes a hub with the axle you need. Then have a wheel built with at least 36 double butted spokes.
Don't go for a light rim either. 2 0r 3 ounces of aluminum makes a big difference in strength.
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Old 01-27-17, 10:06 AM
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I think this is what you want if you can find it in a 36 hole configuration. If it's not available, 32 double butted spokes are considerably stronger that what you have. Good luck.


Shimano XT FH-M8010 Rear Hub > Components > Wheel Parts > Rear Hubs | Jenson USA
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Old 01-27-17, 11:10 AM
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Originally Posted by reddog3 View Post
That hub will take an 11-speed MTB cassette but not an 11-speed road cassette. The difference is the 11-speed MTB cassette hangs off the inside of the freehub body, closer to the spokes. This is only practical with big cogs.
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Old 01-27-17, 11:32 AM
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Originally Posted by Andy_K View Post
That hub will take an 11-speed MTB cassette but not an 11-speed road cassette. The difference is the 11-speed MTB cassette hangs off the inside of the freehub body, closer to the spokes. This is only practical with big cogs.
Is there no way to fix that with a spacer. OP is running 9sp. That is a 9sp road casette on an 11sp mtb hub. Why not, Im guessing there is enough space for that?
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Old 01-27-17, 11:34 AM
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Originally Posted by Racing Dan View Post
Is there no way to fix that with a spacer. OP is running 9sp. That is a 9sp road casette on an 11sp mtb hub. Why not, Im guessing there is enough space for that?
9-speed will work just fine. It wouldn't even need a spacer. I was talking about 11-speed because the OP mentioned wanting to upgrade someday.
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Old 01-27-17, 11:54 AM
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Originally Posted by Andy_K View Post
9-speed will work just fine. It wouldn't even need a spacer. I was talking about 11-speed because the OP mentioned wanting to upgrade someday.
So what is needed is a road, 32 or 36 hole, 11sp, through axle, disc hub that doesn't exist in a budget friendly version. Its silly that 11sp mtb and 11sp road is not compatible.
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Old 01-27-17, 12:51 PM
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Originally Posted by Racing Dan View Post
So what is needed is a road, 32 or 36 hole, 11sp, through axle, disc hub that doesn't exist in a budget friendly version. Its silly that 11sp mtb and 11sp road is not compatible.
As far as I can tell, Shimano doesn't make an 11-speed MTB cassette with a big cog smaller than 40T. I believe there are technical reasons for this. The 11-speed MTB standard lets people migrate to 11-speed without having to replace all their old wheels. This just wasn't possible with 11-speed road.

Personally, I could have done without the transition of the upper-mid-tier road groups to 11-speed, but that is driven by the fact that those groups are designed for racing. So I guess what's needed is for people like me who aren't racing to accept the fact that Tiagra and/or Sora are really good groups for our purposes.
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Old 01-28-17, 09:08 AM
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Here is what I'm going to do. I'm going to let the local Trek shop fix my wheel under warranty and keep on riding. In a month or so Im going to have BWW build me a set of wheels for a 105 group set. At the same time order a 105 group set. Install the 105 group myself and continue mashing the peddle.
I contacted BWW by email and got a very informative response about the limitations of the 9spd,thru axle, disc brakes and 36 spokes.
Thanks to all.
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