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bobknh

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I'd like to convert an Ultegra 6800 11 speed 53/39 crankset to 1x using a Wolftooth 110 Asymmetric 4 bolt Drop-stop chainring. Does anyone know if the Drop-stop is compatible with this crankset? Do I have to order different size chainring bolts; or can I use the stock Ultegra 6800 bolts?
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ridemagnetic

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Yes and yes.   

https://www.wolftoothcomponents.com/collections/cyclocross-road/products/elliptical-110-bcd-asymmetric-4-bolt-for-shimano-cranks

https://www.wolftoothcomponents.com/collections/chainring-bolts/products/set-of-4-chainring-bolts-nuts-for-1x










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bobknh

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Quote:
Originally Posted by ridemagnetic
Yes and yes.   

https://www.wolftoothcomponents.com/collections/cyclocross-road/products/elliptical-110-bcd-asymmetric-4-bolt-for-shimano-cranks

https://www.wolftoothcomponents.com/collections/chainring-bolts/products/set-of-4-chainring-bolts-nuts-for-1x
Thanks - I've already ordered both the 40 tooth drop-stop and shorter bolts from Wolftooth. A couple of points I'd like to add:
- I sent an email to Wolftooth sales at 9:30 EDT. I received a reply from Todd at Wolftooth about 10P EDT. That confirms what I've heard here and elsewhere about Wolftooth responsive customer support.
- I've also posted negative comments about 1x, here as well as on Gravel Cyclist. I'll confess, when it comes to bike tech., I'm sometimes fickle. I still feel that some manufactures are over hyping and pushing 1x. Often a 2x setup makes more sense for an all purpose bike, and I resent when a manufacturer doesn't give the rider a choice. I'll admit that my interest in 1x came about because I have to re-build my Swiss Cross with old components lying around my garage. My new bike from 44 Bikes may not be available for an upcoming gravel event on -  The Rose Mountain Rumble - on Aug. 26.
- A 1x build is easier than a 2x. Getting a front der. setup and adjusted is often a PITA for a home mechanic. Not a big deal - but I'm in a rush.
- Kris Henry of 44 Bikes has 1x on most of his bikes. Kris told me that many of his customer builds go out the door with 1x.
- For riding the dirt roads alone around here, with lots of short steep hills (nothing is flat in Hillsborough County NH), you are either grinding up a steep poorly graded patch, or flying down, holding on for dear life.
- I was very impressed with the Wolftooth website. A lot more real data and info., than you'll find on other manufacturer's websites. These folks ride what they sell; and really believe in their products. It's nice to support a dedicated US company.
- The cost of the drop-stop setup for me is far less than buying lots of new components. While Wolftooth recommends using a clutch der. Kris assured me that for the type of riding  I do, my Ultegra 6800 GS rear der. will work very well with the Drop-stop, with minimal risk of dropping my chain.










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ridemagnetic

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I don't think there's much over-hyping at all, other than the usual marking shtik. Sure people got really excited about it and even called for the death of the front derailleur, but ultimately all we're looking at is another drivetrain option. Some like it, some don't. Good to have options at least. I have both, time and a place.    
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Volsung

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I have a 40T elliptical on my 6800 crankset. I got new bolts, but the stock ones MIGHT work if you can find spacers. If you go that route, let me know because the Wolftooth bolts look funny.
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bobknh

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Quote:
Originally Posted by ridemagnetic
I don't think there's much over-hyping at all, other than the usual marking shtik. Sure people got really excited about it and even called for the death of the front derailleur, but ultimately all we're looking at is another drivetrain option. Some like it, some don't. Good to have options at least. I have both, time and a place.    

I agree. It's just another option. But, you wouldn't know that if you spoke to some SRAM engineers, as JOM of Gravel Cyclist did last year. Also, look at all the new gravel bikes coming out with 1x as standard gear sets. While it's nice to have options, I saw the demise of the 3x road touring gear set with the advent of compact cranks. Is anyone making a 3x11?
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Volsung

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Here ya go Bob-

 

https://www.campagnolo.com/US/en/Mechanical_Groupsets/athena_triple/road

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ridemagnetic

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No 3x11 but still plenty of triples in 9s and 10s flavor in the touring complex. And if you look past the Sram 1x hype there are still many new model year gravel bikes featured with 2x11 options. Albeit at the lower tiers. And I think that's the dividing line, 1x for racing, 2x for riding has been the general formula, and most people don't race. For the last couple years even with the great Sram flood of 1x the general consumer is still choosing 2x in overwhelming numbers then adding the 1x later. Looking at the latest gravel bike release with AC's Sram equipped Cosmic Stallion, the complete version is 2x only.... for now. 


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ridemagnetic

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3x11..Ah.. Campy. Of course! [head slapping forehead] 

Building up a Campy equipped Rodeo Labs Flaanimal soon, with White Industries G30 cranks.... 1x! It's gonna be bonkers! Watch for it.

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bobknh

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Thanks. I stand corrected (as usual). At least one manufacturer is trying 3x11. I was trying to sort out the cost from the price sheet. Very confusing. Do you have any idea how much a basic setup - shifters, crankset, bottom bracket, front and rear derailleurs would cost? Since it is 11 speed, I assume that it would be compatible with SRAM and Shimano cassettes and chains. Knowing Campi, my guess would be that this group would be both expensive and good quality.
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Volsung

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m on my phone so I can't copy paste super easily, but dig around on Merlin. They don't have a complete groupset, but it doesn't sound like you need that anyway.

https://www.merlincycles.com/campagnolo-athena-silver-pt-triple-chainset-11-speed-97397.html?utm_campaign=googlebase-US&utm_source=googlebase&utm_medium=shopping&utm_term=Road+Bike+Chainsets&ucpo=37005&gclid=EAIaIQobChMIuPKqkfbe1QIV27rACh18SgQeEAQYASABEgLh7vD_BwE
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Volsung

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I apparently can't post well on my phone either.

Ride- I'm running 1x11 Campy on my Otso right now.  It's pretty sweet, but I'm not sure if I prefer it to my older Ultegra setup, mainly because Campy hoods are a bit too small for my hands.
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bobknh

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Quote:
Originally Posted by Volsung
m on my phone so I can't copy paste super easily, but dig around on Merlin. They don't have a complete groupset, but it doesn't sound like you need that anyway. https://www.merlincycles.com/campagnolo-athena-silver-pt-triple-chainset-11-speed-97397.html?utm_campaign=googlebase-US&utm_source=googlebase&utm_medium=shopping&utm_term=Road+Bike+Chainsets&ucpo=37005&gclid=EAIaIQobChMIuPKqkfbe1QIV27rACh18SgQeEAQYASABEgLh7vD_BwE

Wow - $81 for the crankset! I'm no planning on buying these for any of my rides; but if they have reasonably price triple der.'s and brake shifters in the Athena group, it might be a good drive train for a future build. I could easily see matching this group set with an 11-32 11 speed cog. Fantastic range and utility, depending on terrain. On rolling courses you ride the middle chainring almost all day.
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ridemagnetic

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Quote:
Originally Posted by Volsung
I apparently can't post well on my phone either.

Ride- I'm running 1x11 Campy on my Otso right now.  It's pretty sweet, but I'm not sure if I prefer it to my older Ultegra setup, mainly because Campy hoods are a bit too small for my hands.


I have big hands too but Campy ergonomics always felt better to me. I've also had many DA, Ultegra, Red, and Force groups but always returned to the C simply for the feel. 

What group are you running on that Otso? Chain guide at all? I'll be using an all silver Athena grouppo from 2012 until my H11 arrives.

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Reply with quote  #15 
Chorus with an Ultegra crankset and Wolf Tooth elliptical.  No chain guide, and no issues with a dropped chain.  I ran a Wolf Tooth on my Moonlander and did actual mountain biking without a clutch and didn't have any problems, but I live in Minnesota, not some place with technical riding.
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bobknh

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Received and installed Wolftooth 40T Drop-stop + chainring bolts and installed on Ultegra 6800 Asymmetric 4 bolt 53/39 crankset. While the install, with the Wolftooth bolts was pretty easy, the package came without installation instructions. The the WT website also lacks instructions. The correct install isn't clear. I called WT customer support and had good luck reaching a tech. rep who explained the install procedure -- which was very easy. The Drop-stop installs on the large chainring position with the bolts on the outside and the bolt sockets on the inside. There is a an alignment bump on the DS chainring which should align with the crank arm -- but this seems to be unnecessary for a 1x setup. BTW, the WT crank bolts are nicely made and individually tested before shipment. I used a torque wrench to properly torque the bolts. The only hitch in the installation was the shape of the 6800 spyder which has a slight ramp for the large chainring. This requires a little force to get the Drop-stop onto the spyder. Once over the lip of the spyder however, it slides easily into place. The rest of the install was also very easy. I'm using a 6800 GS rear der.installed with a Roadlink adapter and an XT 11-40 11 speed cassette. I did have to use every link in a standard SRAM road chain to make it work. You may need to buy a longer chain for larger DT chain rings. After adjusting the inner and outer throw of the der., and adjusting the cable tension I took the bike out for a test ride on some of my favorite NH dirt roads. Lots of fast shifting from one end of the cassette to the other. Thanks to the WT slight inward offset, every gear worked smoothly and quietly - even the 40-40. Wolftooth does recommend using a clutch style rear der. But from all I can tell, my chain stuck to my 40T chainring like it was glued on. No issues for me. Conclusion: nice inexpensive and effective way to convert to 1x. The 1x gives me adequate gear range for solo rides on the backroads of rural NH. For more demanding riding, I still would prefer my 2x setup. But, for most of my riding I have to be honest, and say I like the convenience of not having to fuss with a front der.
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ridemagnetic

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Reply with quote  #17 
Nice write up. Thanks Bob! 

Personally I'm still leaning towards running a chain guide for my 1x Campy set up anyway. Having thrown a chain off my Force 1x while contending for a podium spot late in a CX race few years ago has me in risk management mode. Even clutched derailleurs are no guarantee.

Now if only Wolf Tooth made Campy compatible rings.. That would be something.

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