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Campy Triple: Middle Ring Compatibility with Granny(6 posts)

Campy Triple: Middle Ring Compatibility with GrannyFred the Cross Poser
Jul 11, 2002 7:18 AM
Hey Folks -

I have replacing my Veloce 32-42-52 triple crankset with a new Racing T crank set. However, the Racing T has 30 tooth granny. I would like to replace the 30 tooth with the 32 tooth from the old crankset (easy to do) but I am wondering how that would affect my shifting. The Racing T middle ring is marked 42/30.

The granny from the Veloce crank is the same type EXADRIVE ring and is great shape (I don't use the granny much...)

Thanks for your help in advance!
my betDougSloan
Jul 11, 2002 8:14 AM
My bet is that a larger small ring would only improve the shifting. Typically, the closer the sizes are, the better.

Why do this, though?

Doug
Why?Fred the Cross Poser
Jul 11, 2002 8:29 AM
Currently, I don't really need the smaller granny for the road. I look at the granny as a kind of safety net for those steep grades at the end of a century (Cape Cod, Truro comes to mind). Otherwise I would be fine with a double.

I am also looking at possibly using a closer range cassette and using the granny more for those New Hampshire hills. The 32 is better suited to my riding style.

I am installing the old Veloce crank on my cross bike (currently a 52/42 Shimano 600 double). I was thinking the 30 ring is more appropriate for some short, but steep, grades on a local trail nearby (the 42 causes the tires to spin in the gravel).
Why?DougSloan
Jul 11, 2002 8:49 AM
You might consider a smaller cog, more closely spaced cassette, instead. You might actually get closer ratios that way, plus it does so in all three rings.

More $$, though, but extra cassettes come in handy.

Doug
Indeeddzrider
Jul 11, 2002 9:03 AM
If the small ring is a luxury, my 1st priority would be to get exactly the gear ratios I want on the middle ring. The difference between a 30 and a 32 won't matter much and riding on the Cape, with no mountains and lots of wind, really rewards using the straightest block you can.
TruroFred the Cross Poser
Jul 11, 2002 9:46 AM
In Truro, on the west side near the Wellfleet town line is a long killer grade up what used to be a sand dune. I am used to New Hampshire hills and I still would define this a killer grade. Who would think that you would find a grade like this near the end of the flat Cape....