#16
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#17
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it's not possible, the body of the short cage and long cage RD is different. The ability to use a big casette is not just in a longer cage, but the way the RD moves also. The body is just not the same Also if you crank the B limit screw on the etap short cage (on some bikes, i can't comment on all bikes), you can shift a 30t 'fine'. I've done it for my everesting bike which was a specialized venge. The way you could* use a short cage for big casettes is using a wolf tooth hanger extender piece (for 20$ or so). hope this helps |
#18
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I think it's important to realize that bigger cogs in back need two things to 'work'.
A way to get the top pulley from dragging on the biggst cogs AND enough chain length to go big-bog w/o blowing things up. Wolf tooth does number one but not number 2...You can use just about any short cage rear der for bigger cogs, just make the chain way short..then the rear der will rotate far enough to get the top pulley off the biggest cog but big-big and boom.. I did a lady's bike for MT Evans..DA8s..big biggest cog, MTB cog..just made the chain short enough to clear..but Big-Big was a big problem..BUT..she started at the bottom so no big ring stuff until she came down, and maybe not even then...
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Chisholm's Custom Wheels Qui Si Parla Campagnolo |
#19
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On method in case the regular/short cage RD doesn't work with 32t is to get a longer B Screw. I forgot the exact measurements, but they're readily available in the small bolt section of Home Depot. But if you use this then shifting speed might similarly be delayed. With a Wolftooth Roadlink and the short cage RD I successfully shifted up and down a 10-42 cassette, but the shifting was VERY slow at the smaller cogs. A WiFli RD will easily get to 36t, and begrudgingly to 40t. A longer B screw gets to 42t, but again begrudgingly. And introducing the Roadlink creates the same issues as before in my experience - easily gets the range, but smaller end of the cassette is slower shifting. Now, the caveat for all of the above is that they were tried in 1x only. With 2x I only tried the short cage and 32t cassette, and it shifted OK but the chain was very slack at the low ends. If you want the biggest range with flawless operation probably try to source a WiFli RD and stick with an 11-36 cassette, possibly augmented with a longer B Screw. Just my $.02 |
#20
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I think I'm going to source a Wifli and just run a 32! Lot of variables I don't have much patience for trial and error it seems after giving it some thought! But I'm glad to hear all these experiences! Sent from my iPhone using Tapatalk |
#21
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Mine ran perfectly.
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#22
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no lag in the shift? it always seemed to be especially slow moving to the 30.
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#23
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I’d just sell the short cage RD and buy the WiFli RD.
Sent from my iPhone using Tapatalk |
#24
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Good choice
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#25
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nope. shifted like when I had a 28 on there. I eventually switched to a wifli so I could run a 32.
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#26
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I just heard back from the shop working on my bike. With a standard eTap wifli rear, and a Wolf Tooth Roadlink, they say an 11-42 cassette shifts perfectly.
This is 1x with a 44 or 46 on the front. |
#27
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My dream would be a WiFli setup for my S&S bike with the crank I have (28/42 XX crank) and an 11-42 cassette which would give me enough range to loaded tour.
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Forgive me for posting dumb stuff. Chris Little Rock, AR |
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