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HELP Can't run SRAM MTB derailleur on my Cannondales won't go into the smallest gear

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HELP Can't run SRAM MTB derailleur on my Cannondales won't go into the smallest gear

Old 07-08-16, 04:42 PM
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HELP Can't run SRAM MTB derailleur on my Cannondales won't go into the smallest gear

I am running 1x in the rear of my road bike 1999 Caad3 Silk Road 1000. I have a rival 10 speed now and I want to put a clutched derailleur on my bike. I already have a narrow wide chain ring but I want the clutch and want to run an 11-32 rear cassette (no it won't work on my rival derailleur).

Anyways when I install the derailleur and screw the limiter all the way out it stops near the 2nd smallest cog instead of the smallest... Thinking this could be an issue from the frame being from 99 I tried it on my wife's CAAD10.

I know people are using these derailleurs just fine on their road bikes. The other issue is now I'm worried about if even the rival 1 or cx1 derailleur would even work. It seems Cannondales have the derailleur almost a CM closer than other bikes. Which is great and all for keeping things from hitting the der but it isn't helping me in this venture.

Anyone know what derailleurs might work for me. My guess is SRAM took it upon themselves to move the derailleur in to keep it from hitting stuff on their MTB line and Cannondale did the same on their road line and it doesn't mix well. My guess is since the cx1 and rival 1 came from MTB tech they are going to be similar.

Any help would be great. My dream solution would be derailleur hangers that solve the issue and don't cost too much.

Thanks
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Old 07-10-16, 03:30 AM
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Originally Posted by Givmedew
I am running 1x in the rear of my road bike 1999 Caad3 Silk Road 1000. I have a rival 10 speed now and I want to put a clutched derailleur on my bike. I already have a narrow wide chain ring but I want the clutch and want to run an 11-32 rear cassette (no it won't work on my rival derailleur).

Anyways when I install the derailleur and screw the limiter all the way out it stops near the 2nd smallest cog instead of the smallest... Thinking this could be an issue from the frame being from 99 I tried it on my wife's CAAD10.

I know people are using these derailleurs just fine on their road bikes. The other issue is now I'm worried about if even the rival 1 or cx1 derailleur would even work. It seems Cannondales have the derailleur almost a CM closer than other bikes. Which is great and all for keeping things from hitting the der but it isn't helping me in this venture.

Anyone know what derailleurs might work for me. My guess is SRAM took it upon themselves to move the derailleur in to keep it from hitting stuff on their MTB line and Cannondale did the same on their road line and it doesn't mix well. My guess is since the cx1 and rival 1 came from MTB tech they are going to be similar.

Any help would be great. My dream solution would be derailleur hangers that solve the issue and don't cost too much.

Thanks
Just got going to put this in case someone else comes across it.

I doubt any newer derailleurs have this issue. I tried a few other derailleurs from my MTBs and both type 2.0 and 2.1 x7 and x9 10 speed have this issue however the newer GX 10 Speed Type 2.1 does not. In fact it has plenty of extra room and starts out well bellow the smallest cog.
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Old 07-10-16, 04:33 AM
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Is there an advantage to running a Sram MTB derailleur on a road bike vs. just using a Sram road derailleur with a longer cage?
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Old 07-10-16, 05:32 AM
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When I couldn't get my SRAM Red RD to extend out to my smallest rear cog on my Giant TCR Advanced, a shim between the derailleur hanger snd the arad fixed it. Just a thick washer. As long as there are enough threads engaged for a secure connection between the RD and the hanger and clearance between the RD and the chainstay, you will be fine.
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Old 07-11-16, 07:53 AM
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just to be sure, you did start out without the cable attached (or with slack), in order to set the limit screw, yes?
it's a long shot, but if you didn't, the cable could be stopping the travel to the smallest cog.
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Old 07-11-16, 11:37 AM
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Check out this article on drive train compatibility Art's Cyclery Blog Science Behind the Magic | Drivetrain Compatibility It may help understand why things don't always work together - different cable pulls and total amount of cable pulled might not match.
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