Tiagra 9 speed 11-30 cassette

Tiagra 9 speed 11-30 cassette

Postby Cmm » Tue Oct 29, 2013 5:05 pm

Hi all

I know they have a stated max of 27 teeth for the rear derailleur but would the 11-30 work with a compact crankset? Other option is going to be 12-27. Note I am coming from 12-25 looking at a bail out gear for 7 peaks (baw baw is my biggest worry) Most of my current climbing Is in the dandenongs on Inverness am grinding up the final kick.

Any opinions will be appreciated!
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by BNA » Tue Oct 29, 2013 5:43 pm

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Re: Tiagra 9 speed 11-30 cassette

Postby Toyopet » Tue Oct 29, 2013 5:43 pm

I've swapped to an 11-30 9 speed cassette on one of my road bikes. It works. Just.

Four year old Tiagra groupset on it.
There's now a little bit of noise when using the big cog, due to minimal/no clearance to the guide wheel.
(I didn't bother changing over to a long cage derailleur - just wound the "B" screw all the way in instead)
It only sees use in rare situations, but it does its job well.
I'm happy with it.
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Re: Tiagra 9 speed 11-30 cassette

Postby Duck! » Tue Oct 29, 2013 5:50 pm

Chuck a 4600 Tiagra RD on; designed to work with up to 32T. Although marketed as "10-speed", it's fully back-compatible with 9-sp.
I had a thought, but it got run over as it crossed my mind.
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Re: Tiagra 9 speed 11-30 cassette

Postby cyclotaur » Tue Oct 29, 2013 7:56 pm

I have one (11-30 9sp cassette) new in the box for $30 if anyone wants one.


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