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derailleur compatability
Last Post 05/01/2021 01:28 PM by thinline .. 3 Replies.
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thinline

Posts:323

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04/30/2021 01:12 PM
Well, I turn 60 this summer and being that I live smack dab in a Vermont valley surrounded by serious climbs I was thinking I would reward myself.  See, when I turned 50 I got myself a compact crank.  Now that I will be turning 60 I thought I would switch my rear cassette from 11x28 to 11x32.  This will necessitate a new rear derailleur.

My bike is currently sporting a 10-speed 11x28 (Sram components).  Many of the new Sram derailleurs are 11-speed.  So, my questions:

Can I put an 11-speed cassette on my rear wheel without causing any issues re: clearance or front derailleur compatability?  If not, can I use an 11-speed derailleur on a 10-speed cassette and just set the limiter screw to not allow it to overshift?

Thanks!
thinline

Posts:323

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04/30/2021 01:17 PM
DOH!!!!!

Just occurred to me that the rear shifter is likely limited to 10 speeds, yes?
Cosmic Kid

Posts:4209

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04/30/2021 02:49 PM
Yep....the rear derailleur only cares about the range across the cassette. The shifter controls how many gears and how how far each shift travels.

So you'll need a 11 spd shifter....I *think* SRAM 11 spd derailleurs are compatible w/ 10 spd shifters and cassettes, though. Shimano is not....8,9, and 10 spd Shimano derailleurs are all cross-compatible, but they moved to a different geometry when they went 11 spd.
Just say "NO!" to WCP!!!!
thinline

Posts:323

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05/01/2021 01:28 PM
Found 10-speed force mid-length cage at a good price.  Going that route.

Thanks!

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