Tiagra 9 speed 11-30 cassette

[Cmm]

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!

[Toyopet]

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.

[Duck!]

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.

[cyclotaur]

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


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