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Has anyone cleared 32 w/a Microshift R10 RD?

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Has anyone cleared 32 w/a Microshift R10 RD?

Old 02-24-19, 03:46 PM
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Has anyone cleared 32 w/a Microshift R10 RD?

Anyone pushed the envelope? It's rated at 28, I'd bet it could clear 30 as is, maybe 32 with an extender? I'd be using it with a 48-34 front.
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Old 02-24-19, 05:47 PM
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Do you have it in hand? If not, then there is a “mega-sprocket” model of the R9 and R10 that is rated for a 34 tooth large sprocket. I’ve seen the R9 for $27 shipped on ebay, and it is supposed to handle 10 speed fine (provided not Tiagra 4700, the 10 speed with 11sp ratios).

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Old 02-24-19, 06:22 PM
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Originally Posted by noobinsf View Post
Do you have it hand? If not, then there is a “mega-sprocket” model of the R9 and R10 that is rated for a 34 tooth large sprocket. I’ve seen the R9 for $27 shipped on ebay, and it is supposed to handle 10 speed fine (provided not Tiagra 4700, the 10 speed with 11sp ratios).
I'm trying to decide between the two.
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Old 02-14-20, 03:58 PM
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UPDATE: I got the long cage version to be certain and rode it all last season. Very happy, it's a great derailleur. Fast forward one year. Recently I was able to get a regular cage R10 cheap, so I tried it - works like a champ. I'm running 48/34 and 11-32 and it hits every gear without fail, at least on the stand.
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Old 02-14-20, 04:09 PM
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Originally Posted by ascherer View Post
UPDATE: I got the long cage version to be certain and rode it all last season. Very happy, it's a great derailleur. Fast forward one year. Recently I was able to get a regular cage R10 cheap, so I tried it - works like a champ. I'm running 48/34 and 11-32 and it hits every gear without fail, at least on the stand.
Great info for those of us who are tinkering with Microshift stuff, thanks!

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Old 02-14-20, 04:21 PM
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Exhibit A
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Old 02-14-20, 04:24 PM
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Good to know. I have a MicroShift 7-speed integrated brake/shifter on a 1993 Trek 5900 and 8-speed 11-32 cassette on my early '90s Univega Via Carisma. Both work fine and seem to be compatible with and comparable to similarly priced Shimano components, although some MicroShift components are less expensive.

I have used various Shimano and Suntour short cage RDs with cogs up to 28T, but usually switch to long cage RDs beyond that. I haven't even tried a short cage RD with a 32T cog. Now I'm curious enough to give it a try.
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Old 02-14-20, 05:53 PM
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Thanks. I have their 10-speed brifters on my converted to drop-bar 1995-ish Giant Iguana, but have been running Shimano mechs (and as the FD is top pull, that isn't likely to change). Am more likely to upgrade something in the stable to XCD crank/chainring than monkeying with derailleurs, but this is definitely useful.

Which bike do you have this on? The International?
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Old 02-14-20, 08:06 PM
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Originally Posted by USAZorro View Post
Thanks. I have their 10-speed brifters on my converted to drop-bar 1995-ish Giant Iguana, but have been running Shimano mechs (and as the FD is top pull, that isn't likely to change). Am more likely to upgrade something in the stable to XCD crank/chainring than monkeying with derailleurs, but this is definitely useful.

Which bike do you have this on? The International?
USAZorro It was on the International but now it’s on the Mk.1. I’m also using the R10 brifters with a Tiagra FD. It”s got a Holdsworth-branded crankset from PlanetX, which works great. noglider tells me he recently got one, a triple I think? They’re a great value, and that’s where I started while I was still running my Nuovo Record with a 7-speed freewheel.
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Old 02-14-20, 08:11 PM
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Originally Posted by canklecat View Post
I haven't even tried a short cage RD with a 32T cog. Now I'm curious enough to give it a try.
Let us know! Before I went to the current drivetrain I was using a Nuovo Record with a hanger extender on a 7-speed 13-28 that was pretty ok on pavement. But for trails and gravel I decided brifters and more/tighter ratios would suit me better.
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Old 02-14-20, 11:49 PM
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One thing I've noticed using long cage rear derailleurs with freewheels or cassettes up to 28 or more, I seem to feel less drivetrain drag than with short cage RDs. And, especially with Suntour RDs, I feel less drivetrain drag after swapping to Tacx sealed bearing pulleys, just the cheap plastic/Delrin kind are good enough.
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