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Im thinking about 1 x systems again

Old 04-23-18, 08:45 PM
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Teamprovicycle
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Im thinking about 1 x systems again

Ok im no pro but a 1x system reduces weight over all . my point to add would be what ever cycling you do if you dont use your lower chain rings than you are technically on a 1x and waisting watts . now for me i dont do long climbs as of yet . i can do indoor sim climbs but thats about it . i dont live in a hilly area but i kind of do . i dont have a long climbing trail path more like just a 60 to 120 second up the hill to my house route . but i never use my lower rings . i have right now , a 42 36 cx type set up i would assume 11 28 in the rear , im wasting my watts pulling dead weight . i want to switch to a 52 or 55big ring , 38- 42 lower rings and an 11- 32 cog. then i would have full speed and a easy climb . but over all i wish more companies would make an 8 or 9 tooth cog to 40 i dont know why they won't go below 10 or 11 but i think i would enjoy a 1x10 55 9-40 what do you guys think.?

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Old 04-23-18, 10:48 PM
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Ride more, over-analyse less.
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Old 04-23-18, 11:52 PM
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11-42 with a 30 front is just lovely in a 29er. 11-42 with a 40 front should be just lovely on a roadie.
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Old 04-24-18, 12:28 AM
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I am a bit of a pedal masher, probably because I have short but powerful legs that make me dislike a faster cadence. I used to whiz up big hills on my fixed speed with no prob.

Unless you are planning to go 50 mph+ regularly though then a 55t 9t is not going to be much use, and they probably don't make it because it would be hell on chains.

You can probably go to a standard 7 speed though and ditch a whole lot of useless granny gears. If you want power pedaling then you should not really care about weight, but the less garbage you have going on with your bike the less hassle it will be to maintain. Unless you are going to climb mt shasta who gives a damn, and realistically most people are not (and if you were one who had to deal with huge hills then you would already know it).

Some people like to buy expensive and complicated stuff to tinker with for its own sake, but if you don't get your jollies that way there is not much point for most people.
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Old 04-24-18, 03:57 AM
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My new bike has a 30 1x & 12 /46 (11speed) . My old was a 2x with 12/38 (10 speed). Honestly cant say the 1x is wowing me, or was a selling point. If I had 2x would I switch? No. Not unless I was having constant issues with drop or clearance.
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Old 04-24-18, 04:24 AM
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Originally Posted by Teamprovicycle View Post
Ok im no pro but a 1x system reduces weight over all ... i think i would enjoy a 1x10 55 9-40 what do you guys think.?
Reduces weight by ... 200 grams maybe? Weight doesn't really make a difference to riding, especially on flat lands. Plus the standard 11-4x cassette is heavy! My 11-40 slx 11 speed cassette is a ridiculous 467grams, all dead weight on the rear hub. Compare this to a 12-25 105 cassette at 269grams.

You can't use a smaller cog then an 11 unless you have a special hub, like srams xd driver or Shimanos capreo hub.

My 1x works great for my xc mtb, but I'd never consider it for road.
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Old 04-24-18, 04:47 AM
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Originally Posted by GrainBrain View Post
... Plus the standard 11-4x cassette is heavy! My 11-40 slx 11 speed cassette is a ridiculous 467grams, all dead weight on the rear hub. Compare this to a 12-25 105 cassette at 269grams.
...
Is it? In absolute terms, perhaps. In relative terms, a 12-25T 105 cogset gives 208% range at a cost of 269 grams. That's 1.29 grams per 1% of range. Meanwhile, the 11-40T cogset gives 364% range at a cost of 467 grams. That works out to 1.28 grams per 1% of range. Same-same lah, as they say in Singapore.

And just for kicks, the gram-per-1% range figure for the 440 gram 11-46T XT cogset is 1.05 grams.
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Old 04-24-18, 04:50 AM
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Wasting watts pulling dead weight?? I'm getting old, man.
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Old 04-24-18, 04:59 AM
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If I was putting together a new drivetrain, yes. But I live in Florida. I have a couple of sinkholes and a couple of “hilly” inclines which I sometimes use the 34 ring. That is with currently a 7speed freewheel on the rear. And it would be SRAM, just love the feel of their drivetrain.
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Old 04-24-18, 05:00 AM
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After finding that I mostly stayed in the center ring on my old triple, I went single. But no mega cassettes for me... I like my close gaps. 12-26t with a 42 ring. Low enough for me and I have spun my top gear up to 37 mph.

If I were climbing mountains it would be different. But I'm not.

Gearing is personal preference. Nothing wrong with experimenting and doing your own thing.
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Old 04-24-18, 06:20 AM
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Originally Posted by Teamprovicycle View Post
but over all i wish more companies would make an 8 or 9 tooth cog to 40 i dont know why they won't go below 10 or 11
Because it requires a different hub. You can only get so small and still have room for the axle and freehub mechanism. Even the sub-11t cogs out there now you will need a new hub to use.

I imagine there may also be issues with designing an 8t sprocket that a chain will play nicely with and not wear out very fast.
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Old 04-24-18, 06:23 AM
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Originally Posted by Teamprovicycle View Post
Ok im no pro but a 1x system reduces weight over all . my point to add would be what ever cycling you do if you dont use your lower chain rings than you are technically on a 1x and waisting watts . now for me i dont do long climbs as of yet . i can do indoor sim climbs but thats about it . i dont live in a hilly area but i kind of do . i dont have a long climbing trail path more like just a 60 to 120 second up the hill to my house route . but i never use my lower rings . i have right now , a 42 36 cx type set up i would assume 11 28 in the rear , im waisting my watts pulling dead weight . i want to switch to a 52 or 55big ring , 38- 42 lower rings and an 11- 32 cog. then i would have full speed and a easy climb . but over all i wish more companies would make an 8 or 9 tooth cog to 40 i dont know why they won't go below 10 or 11 but i think i would enjoy a 1x10 55 9-40 what do you guys think.?
I am a little confused. You say you want to go 1x, but then you say you want a 52-55 big ring and 38-42 small ring.... which is 2x.
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Old 04-24-18, 06:29 AM
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I think if you want to do it, you should do it. You'll get 10 guys on a thread like this cautioning you to not do it.

do it and learn from it, it might be exactly what you want

what all would need changing to make this happen?
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Old 04-24-18, 07:07 AM
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Originally Posted by Teamprovicycle View Post
...... i wish more companies would make an 8 or 9 tooth cog to 40 i dont know why they won't go below 10 or 11.....
The reason is the diameter of an 8 or 9 t cog would be too small to fit on the freehub body. With the current trend going to larger diameter thru axles there isn't likely going to be any smaller cogged cassette coming out any time soon. A 52-11 @ 120 will get you to about 55 MPH, the current world record is somewhere around 35 miles in an hour. If you can turn a 52-11 @ 95 for an hour you would break the world record.
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Old 04-24-18, 08:51 AM
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Originally Posted by Teamprovicycle View Post
....i think i would enjoy a 1x10 55 9-40 what do you guys think.?
You can already get an 11-50 cassette in 11sp and 12sp. That is actually more range than a 9-40. (455% vs 444%). These are mtb cassettes, someone else can chime in about derailleur and shifter compatibility.

If you want to stick with 10 speed, there is a 11-46t available from Sun-race. That is 418% range.
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Old 04-24-18, 08:57 AM
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Capitalization and full sentences would make your post easier to digest.
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Old 04-24-18, 10:31 AM
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I see a single-speed in your future. If you have at most a couple short hills, those might be tolerable enough even in the "wrong" gear.
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Old 04-24-18, 11:33 AM
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I think you need to use capital letters and more cohesive sentences? They don't go below 10 because the hub is too big. Just get the 2x gears you will use. You think your have a 28/11? Might want to actually find out what you have first, just saying. And gear gaps matter, IMHO.
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Old 04-24-18, 12:35 PM
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1 by 14.. Rohloff hub.
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Old 04-24-18, 01:19 PM
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e.13 TRS Race 11 Speed Cassette | Jenson USA
You can get a 9-46 cassette from E13 of coarse you need sram xd driver body and it ain't cheap.
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Old 04-24-18, 04:22 PM
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Originally Posted by fietsbob View Post
1 by 14.. Rohloff hub.
What's the weight-per-range metric of a Rohloff? What's the price-per-rwnge metric?
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Old 04-24-18, 06:07 PM
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your math.. I scored a used hub and a used bike, did not pay full price..
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Old 04-24-18, 06:27 PM
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Originally Posted by fietsbob View Post
your math.. I scored a used hub and a used bike, did not pay full price..
From the Rohloff website.
Range - 526%
Weight - 1,800 grams

Grams-per-unit-range: 3.42

Wow, a real porker for the range it offers. Tell me once again, how much does it cost new? Where is the smart money at, bob, dereilleur drivetrains or Rohloff?

Now, I am not dogmatic. I can see the appeal and benefits of Rohloff, but these are niche, at the margin of mainstream, middle-of-the-road use and needs. Trumpeting Rohloff--used or new--at every turn is tone-deafness.

Last edited by Abu Mahendra; 04-24-18 at 06:46 PM.
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Old 04-24-18, 07:22 PM
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Originally Posted by Teamprovicycle View Post
Ok im no pro but a 1x system reduces weight over all
LOL!

Originally Posted by Teamprovicycle View Post
my point to add would be what ever cycling you do if you dont use your lower chain rings than you are technically on a 1x and waisting watts .
Ingenious. "Waisting", eh?

Originally Posted by Teamprovicycle View Post
i dont live in a hilly area but i kind of do .
Say what?

Originally Posted by Teamprovicycle View Post
im waisting my watts
Sigh...

Originally Posted by Teamprovicycle View Post
pulling dead weight
LOL!

Originally Posted by Teamprovicycle View Post
what do you guys think.?
Weight of a ring is never a factor. And you ride in a flat area where any weight is not a factor.

Do some... er... "waisting", i.e. physical exercise that would reduce your waist and you will reap much lager benefits.
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Old 04-24-18, 07:29 PM
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I personally look forward to the day when I see a road bike with a 50T in the front and an 11-50 (or perhaps a 10-50) in the back. That would take like a 135-link chain... and be completely impractical. Take this from a guy with 10k+ miles on a 42T w/ 11-42 1X setup. There is a place for 1X, but if you live where there are any hills at all, and you're looking at anything out of the 40s for a chainring, just stick to a double. Some place like Florida or Illinois would likely be doable on a 50T w/ 11-28. Which would be cool.
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