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.

A one-by road thread? How absolutely novel!

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

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 ?

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

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

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.

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

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

i have not so I’m curious. I’ve 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?

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.

+1.

Troll much?

In Before the Lock.

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

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

42T + 10-42 cassette.

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.

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

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.

Whoops I mean 50/40 with 11-32

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

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?

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

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

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

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

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?