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bnystrom

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Reply with quote  #51 
Quote:
Originally Posted by drwelby

There's really only one offset stock bike, the Surly Pugsley.


Not true, Cannondale has their AI system with the cassette offset 6mm to the right. They use it on several 'cross/Gravel and MTB models. My girlfriend has a SuperX and I've built a couple of sets of wheels for it. It requires a 12mm spacer on the left side of the hub when you're truing/dishing the rear wheel, but Cannondale doesn't supply one with the bike. With the 12mm thru-axle, it's a simple matter to cut a spacer from 1/2" PVC or copper pipe. I also machined an extra-long dummy axle from 1/2" rod.
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drwelby

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Reply with quote  #52 
Quote:
Originally Posted by bnystrom


My girlfriend has a SuperX and I've built a couple of sets of wheels for it. It requires a 12mm spacer on the left side of the hub when you're truing/dishing the rear wheel, but Cannondale doesn't supply one with the bike.


So does your Niner wheel need a spacer on the right side to true?
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drwelby

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Reply with quote  #53 
There was also the Specialized SCS system where they wanted to get a road chainline with a 135 hub for the Tarmac (because 405 chainstays). They didn't offset the hub, they offset the whole cassette body, and the derailleur hanger.

My assumption is that when the Niner rep passed on "designed for a road crank", what the designer meant is "designed so that road-sized chainrings and a road-Q crankarm end don't hit the chainstays".
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Dave_UK

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Reply with quote  #54 
Not sure if this is right place to ask.....
But does anyone know if the Ultegra 6800 will accommodate a 34 tooth on the cassette (Or higher)?
I'm pretty certain. It's possible or with the 105 even though Shimano say 32.
Struggle on hills with my 34 crank and 11-30 on current bike, so wonder if 34 front and 11-32 Will make e high difference on next bike ?
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email.gjm

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Reply with quote  #55 
Quote:
Originally Posted by Dave_UK
Not sure if this is right place to ask.....
But does anyone know if the Ultegra 6800 will accommodate a 34 tooth on the cassette (Or higher)?
I'm pretty certain. It's possible or with the 105 even though Shimano say 32.
Struggle on hills with my 34 crank and 11-30 on current bike, so wonder if 34 front and 11-32 Will make e high difference on next bike ?



I have the 105 with 50/34 chain rings and shimano 11-34 cassette and still want a lower gear for steep hills we have in BC.  I am guessing that over 10% grade maybe a bit more is where the 34-34 gear still works for me but definitely over 15% and it is too high.  So trying to make a modified 105 rear derailleur work with a shimano 11-40 XT cassette.   I think that will be enough, but if not I guess may look at the absolute black 46-30 chain rings.
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Cmtgravel

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Reply with quote  #56 
I've been running 11-36 cassette with standard 105 rear derailleur with no problems. Zero modifications, no road link or reversed b screw. Just some minor adjustment by good mechanic. I also run a 42/28 sram mtb crankset , no problems with derailleur or chainline. Try it.
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Dave_UK

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Reply with quote  #57 
Quote:
Originally Posted by email.gjm



I have the 105 with 50/34 chain rings and shimano 11-34 cassette and still want a lower gear for steep hills we have in BC.  I am guessing that over 10% grade maybe a bit more is where the 34-34 gear still works for me but definitely over 15% and it is too high.  So trying to make a modified 105 rear derailleur work with a shimano 11-40 XT cassette.   I think that will be enough, but if not I guess may look at the absolute black 46-30 chain rings.


Thanks email.gjm, so seems it might be possible with the Ultegra then. But I'm probably not wrong thinking I might need the extra teeth for the longer hills :)
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Dave_UK

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Reply with quote  #58 
Quote:
Originally Posted by Cmtgravel
I've been running 11-36 cassette with standard 105 rear derailleur with no problems. Zero modifications, no road link or reversed b screw. Just some minor adjustment by good mechanic. I also run a 42/28 sram mtb crankset , no problems with derailleur or chainline. Try it.


Cheers Cmtgravel
Sounds promising then.
Must admit I'm new to some if this terminology (a lot of it actually) never heard of a road link before 🤔
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TiGeo

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Reply with quote  #59 
Just swapped over to a 11-42 out back with a 42 up front on my new Sram Force 1x setup...perfect with that 1:1 granny and the spacing between cogs is just fine for me.  Decided to do a Sunrace cassette and forego the 10t cog on the Sram cassettes forcing me to get an XD driver...I'm rarely in my 11 and if I am, that 10 isn't going to help me much.
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bnystrom

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Posts: 83
Reply with quote  #60 
That's a 103-inch gear, which should be plenty. I don't know if I've ever used the 11 on my 46/30 2x setup. That's why I really want a 12, which would give me essentially the same top gear that you have. IRD makes a 12-32, but it's somewhat pricey.
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