#16
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Sounds like a solution.
That Road Link is a Wolf Tooth product? Keeping the 31-48 crank ans just being able to go down to 42 sounds ideal. What's the cassette? SRAM? Shimano?
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--- __0 __0 __0 ----_-\<,_ -\<, _(_)(_)/_(_)/ (_) A thing of beauty is a joy forever--Keats |
#17
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Both SRAM and Shimano make 11-42 11-spd cassettes for mountain bike applications. You will need to adjust the spacer on your freehub to fit the MTB cassette on a road freehub properly. Something like the Shimano SLX CS-M7000 should shift nicely and doesn't cost an arm and a leg in case the experiment doesn't work out.
https://www.jensonusa.com/Shimano-SLX-CS-M7000-Cassette |
#18
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oooh . . .
At $72 that works for me to experiment with. I've seen some of those MTB dinner plate cassettes at some insane prices.
Quote:
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--- __0 __0 __0 ----_-\<,_ -\<, _(_)(_)/_(_)/ (_) A thing of beauty is a joy forever--Keats |
#19
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Quote:
I'm really glad I had gears as low as I did. On an 11-day trip with some luggage, it's super helpful to be able to spin up many mountains passes in zone 2. |
#20
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What 11 speed 11-36 cassettes are people using?
I don't think Shimano makes one, do they? |
#21
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cs-hg710
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#22
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As noted I'd start with an 11 speed 11-40 or 11-42 cassette and see if you can make it work. You'll almost certainly need a longer chain and increase B-Screw tension but it might work okay WITHOUT using a road link. My understanding is that the road link will help if you can't get the derailleur to shift onto the 40 or 42 even with the B-screw all the way in but you'll still have the same chain capacity concerns (likely slack chain in the small/small).
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#23
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Every 4 teeth requires another inch of chain. Use the chain length formula.
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#24
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Quote:
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#25
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That's 12 speed.
The 11 speed version was cs-hg700 and it was "only" 11-34, not 11-36. Has some very nice jumps mid-cassette, very unique offering and a great climbing cassette. |
#26
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Doh, you're right. I meant to say SRAM PG-1170.
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#27
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Back to the original poster, I was facing the same question recently.
Ended up with a mix of DA and GRX. DA shifters/brakes/chain. GRX derailleurs to shift a bigger cassette. A Rotor crankset with 48/31. One wheelset has the DA 11-34 cassette and a more gravel focused wheelset has the 105 11-36 cassette. So can run a 31/36 when needed. Have heard of people running a MTB cassette (11-40?) on the GRX derailleurs without the Wolf extension thingy. This is better than what the bike had previously - a 12 speed Campy Chorus where max was 32/34. |
#28
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I've also run 11-40 (with a 50/34) using a 105 R7000GS derailleur and no extension. B Screw was ALL the way in, and I had to size the chain perfectly, but it worked fine. First gen 11 speed (6800 which I think OP has) may not clear quite as well. The second gen R7000/R8000 derailleurs are basically a MTB design anyway and can shift giant cassettes.
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#29
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I run an xtr 11-40 cassette with the 41/38 chainring combo on my dirt rando without any fuss (using the GRX 810 RD). I think chainstay length and hanger position all have a slight effect on whether or not that combo works.
In addition to using a bigger cassette, you can go with smaller chainrings. The 80 BCD of the GRX can accomidate a smaller chainring than the 30 - the TA 44/28 combo is an option... https://www.starbike.com/en/speciali...11speed-black/ https://www.starbike.com/en/speciali...d-inner-black/ I personally haven't tried them (but they are in the bits box!), since my chainrings are silver and living a good life so far... Last edited by Mr.Appa; 11-07-2024 at 09:37 AM. Reason: forgot the RD model... |
#30
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I think this is gonna be my first option . . .
Quote:
I want to keep the two ring front setup because A) I already bought it very recently, and B) I also have a set of road wheels for this bike and I use it on the bike tours I guide, so I'd like the finer graduation between gears. I recognize there's some overlap there but still more total gears available than the 1x setup. Looks like about a grand for the group . . . https://www.excelsports.com/shimano-...x-11-speed-kit Add a hundred bucks for the 11-42 cassette . . . https://www.excelsports.com/sram-pg-...tte?sku=282136 https://www.excelsports.com/shimano-...tte?sku=115980 Wolftooth's own website says a 2 ring setup with 11-42 and RoadlinkDM is "acceptable." 11s Cassette Compatibility 11-36t: Recommended 11-40t: Recommended 11-42t: Acceptable 10-42t: Not Supported 11-46t: Not Supported 9-44t: Not Supported All of this takes me from a .86 ratio with my current drivetrain to a .74 with the 31/48 and the 11-42 cogs. Thanks to all for your input! I've learned a lot! We'll see how this works . . . BBD
__________________
--- __0 __0 __0 ----_-\<,_ -\<, _(_)(_)/_(_)/ (_) A thing of beauty is a joy forever--Keats |
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