ISO: Shimano 9 speed rear derailleur w/clutch

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ISO: Shimano 9 speed rear derailleur w/clutch

Postby D-15 » September 21st, 2019, 4:03 pm

Not looking for perfection Has to have a clutch for 1 x set up though. Would like to come by and pick it up ASAP, so close to Clarkston/Orion would be great.

Thanks.
D-15
 
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Re: ISO: Shimano 9 speed rear derailleur w/clutch

Postby TimTucker » September 21st, 2019, 4:15 pm

Shimano didn't start making with a clutch till 10 speed.

The only way you'll get a 9 speed Shimano with clutch is to combine parts from a 9 speed and a 10 or 11 speed (if you look on YouTube there are some guys who have done it). Even I you do hack together one from parts, the 9 speed derailleurs weren't made to work with wider range cassettes.

I've run 1x with a standard XT 9 speed on my bike with no problems (it's on my son's bike now). Narrow-wide up front is the more important piece.
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Re: ISO: Shimano 9 speed rear derailleur w/clutch

Postby D-15 » September 21st, 2019, 7:25 pm

Ahhh. Cool. Thanks for sharing the knowledge.
D-15
 
Posts: 70
Joined: March 26th, 2008, 2:43 pm
Location: lake orion/clarkston

Re: ISO: Shimano 9 speed rear derailleur w/clutch

Postby ghughes.hesinc » September 21st, 2019, 9:20 pm

I could be wrong, but I’d think you could run 9 speed shifter/cassette with a 10 speed derailleur... I’ve mixed and matched all sorts of sram 1x setups...
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Re: ISO: Shimano 9 speed rear derailleur w/clutch

Postby TimTucker » September 21st, 2019, 10:07 pm

Sram shift ratios are a lot closer - Shimano was consistent at 1.7 for 9 speed and below but went down to 1.2 for 10 speed.

Shimano 11 speed is close enough to 10 that you can use a 10 speed shifter and cassette with an 11 speed derailleur.

For 9 speed, though, the shifter just wouldn't move a 10 or 11 speed derailleur enough with each pull.

Some more of the technical details:
https://bike.bikegremlin.com/1278/bicyc ... atibility/

I looked in detail into this last summer before eventually concluding that I didn't really need the clutch, since I wasn't dropping chains. Only moved to 10 speed this fall because I needed a bit more range to pull my son behind me on a TowWhee.
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