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-   -   Why are roadies going 1x11 or 1x12? (https://www.bikeforums.net/road-cycling/1179090-why-roadies-going-1x11-1x12.html)

MyTi 07-22-19 07:24 PM

Why are roadies going 1x11 or 1x12?
 
This a fad because:

1. You lose of a lot gears
2. Too much gear spacing=poor shifting
3. Lose top end if you configure gears for hills, or need a huge cassette to compensate.

Might change the madone to 1x possibly but not sure.

DrIsotope 07-22-19 07:31 PM

A one-by road thread? How absolutely novel!

This one has a half-life from birth fellas, so get in while you can.

Steve B. 07-22-19 07:51 PM

1 - Yes
2 - Yes, but typically only on the really big jumps and even then it’s not terrible.
3 - Yes.

Possibly you missed the discovery that front derailers and shifting as gotten measurably worse since 11 spd. was introduced ?

on the path 07-22-19 08:09 PM

4. The more the chainline deflects the more watts are wasted.

MyTi 07-22-19 08:14 PM


Originally Posted by Steve B. (Post 21040138)
1 - Yes
2 - Yes, but typically only on the really big jumps and even then itís not terrible.
3 - Yes.

Possibly you missed the discovery that front derailers and shifting as gotten measurably worse since 11 spd. was introduced ?

I do wonder why guys say a 1x11 is more silent since wider gear spacing and one gear up front would seem to mean more cross chaining

DrIsotope 07-22-19 08:17 PM

Ever ridden a 1x11? If you had, you would know the answer to your own question.

My chainring lines up with the middle cog on the cassette. The deflection in the 42 is the same as that in the 10.

GlennR 07-22-19 08:26 PM

1x means less parts to wear out.

Just like there is not a bike that can do everything, you need more than one. If 2 chainrings are better than 1, they why not 3?

If have both and each has it's place.

http://glenn-ring.com/emonda/cannondalesuperx.jpg

Darth Lefty 07-22-19 08:27 PM

https://cimg0.ibsrv.net/gimg/bikefor...93f61e891.jpeg
Why

MyTi 07-22-19 08:34 PM


Originally Posted by DrIsotope (Post 21040177)
Ever ridden a 1x11? If you had, you would know the answer to your own question.

My chainring lines up with the middle cog on the cassette. The deflection in the 42 is the same as that in the 10.

i have not so Iím curious. Iíve had a fixie and ss like everyone else but never a 1x9/10/11

So do you get a lot of noise in the smallest or biggest gear in the cassette?

DrIsotope 07-22-19 08:36 PM

I don't get noise in any gear on my 1X bike. Narrow-wide chainring, clutched RD, waxed chain. It's about as quiet as a multi-speed bike can be.

noodle soup 07-22-19 08:42 PM


Originally Posted by DrIsotope (Post 21040114)
A one-by road thread? How absolutely novel!

This one has a half-life from birth fellas, so get in while you can.

+1.

Troll much?

In Before the Lock.

MyTi 07-22-19 08:50 PM


Originally Posted by DrIsotope (Post 21040202)
I don't get noise in any gear on my 1X bike. Narrow-wide chainring, clutched RD, waxed chain. It's about as quiet as a multi-speed bike can be.

Front chainring / cassette size? If I try to replicate a 50/34 with a 11-32 I just wonder if it will have cross chain noise

downhillmaster 07-22-19 08:52 PM

I have always heard that 1x11 is considerably safer when riding in foggy areas...

DrIsotope 07-22-19 08:52 PM

42T + 10-42 cassette.

Kimmo 07-22-19 08:53 PM

Pff, the future is half-step triple, IMO. Electronic shifting makes it practical to make the gaps between gears consistent rather than bigger with speed.

Marcus_Ti 07-22-19 09:05 PM


Originally Posted by MyTi (Post 21040108)
This a fad because:

1. You lose of a lot gears
2. Too much gear spacing=poor shifting
3. Lose top end if you configure gears for hills, or need a huge cassette to compensate.

Might change the madone to 1x possibly but not sure.

The problem I'm having...is picking which SRAM can't make an FD joke to go with....

Noctilux.95 07-22-19 09:15 PM


Originally Posted by GlennR (Post 21040185)
1x means less parts to wear out.

Just like there is not a bike that can do everything, you need more than one. If 2 chainrings are better than 1, they why not 3?

If have both and each has it's place.

http://glenn-ring.com/emonda/cannondalesuperx.jpg

1X has its place, on a MB with a 50t cassette. On road and gravel, I would take 2x every time. I'm surprised you didn't post a pic of your aging Emonda. That bike has made more appearance here than posts about what bike should I buy.

MyTi 07-22-19 09:24 PM


Originally Posted by DrIsotope (Post 21040222)
42T + 10-42 cassette.

Whoops I mean 50/40 with 11-32

Thats gonna have a lot of cross chain noise...

DrIsotope 07-22-19 09:31 PM

Odd that it absolutely doesn't. If only I had some practical experience to back up that claim, right?

https://i.imgur.com/fr1p5Qt.png
https://i.imgur.com/NMIl2fq.png

MyTi 07-22-19 09:35 PM


Originally Posted by DrIsotope (Post 21040278)
Odd that it absolutely doesn't. If only I had some practical experience to back up that claim, right?

https://i.imgur.com/fr1p5Qt.png
https://i.imgur.com/NMIl2fq.png

You got a pick of your 1x11 set up and can I convert ultegra 2x11 to 1x11?

MyTi 07-22-19 09:39 PM


Originally Posted by downhillmaster (Post 21040221)
I have always heard that 1x11 is considerably safer when riding in foggy areas...

Get over it already we are passed the disc vs rim brake argument. Disc brakes won. Moving on

AlmostTrick 07-22-19 09:44 PM

Simplicity. Never having to shift or trim a FD. Not having to carry unnecessary weight. Daring to not follow the crowd.

I can ride any of my routes on a fixed gear. Why in the world would my geared bike need 2 chainrings? Or a "huge" cassette? Good thread, for sure. :p

Kimmo 07-22-19 10:03 PM


Originally Posted by AlmostTrick (Post 21040298)
Daring to not follow the crowd.

By jumping on the latest bandwagon? Odd conception of nonconformity.

Seattle Forrest 07-22-19 10:10 PM

Bikes have gotten so expensive, people can't afford two chainrings anymore.

MyTi 07-23-19 12:48 AM


Originally Posted by Noctilux.95 (Post 21040252)
1X has its place, on a MB with a 50t cassette. On road and gravel, I would take 2x every time. I'm surprised you didn't post a pic of your aging Emonda. That bike has made more appearance here than posts about what bike should I buy.

But there are gears I really don't need when I run my compact crank and 11-32. Rarely would I ever use 50-11 unless I want to pedal going down hill(which I never do) or unless I got a really nice tail wind. So I wonder if I run a 44 in front and a 11-42. Seems like that would be find for steep hills. Might lose top end but just try to learn to spin a bit faster I suppose. At what speed do you spin out isotope with the 42 / 10-42?


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