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gearing(6 posts)

gearingmt_biker
Apr 10, 2003 7:14 AM
I'm building my first cx bike with parts from a roadie.

I have an ultegra triple and an 11-23 cassette.

What is common gearing for cx bikes?

Thanks,
Montana Biker
Ditch the tripleGripped
Apr 10, 2003 8:48 AM
Ebay the triple and get a double.

38/48 in front, 12-25 (or 12-27) in back. If you want to race this bike, think about going 1x9 or 1x8 with a 42 in front. Less chance of dropping a chain.

Do a search in this forum on "gearing" and you will find many useful nuggets.

Hasta banana
Woah thereDownhill deux mille
Apr 11, 2003 1:02 AM
Ditch the triple if you are strong and fit, and racing on fairly flat courses (or else you like lots of running).

However, if you are not, or wanna ride training on it on any reasonable hills, and/or might want to be any road touring on it (they're great for that), why waste your money on a conversion just now?

You see plenty of "recreational racers" doing plenty well on triples.
yep, not everyone is a racerlaffeaux
Apr 11, 2003 12:55 PM
Some of us ride because we like to ride, and may or may not ever race a bike.
if on a budget.....buffalosorrow
Apr 11, 2003 1:25 PM
make due with what you've got, run that singlespeed, 8x3, 9x1, whatever. If you have the cash to drop on racing gearing 9x1 can work with a 42t chainring, but if you consider rec riding in your mix and you want the "options", go two or three in the front.
This week I am house/ dog watching my parents house in CT, I brought my singlespeed, thats it. I plan to clear a nearby mountain, the initial run/ climb up will be horrific, its like 45 degrees for a good 1/2 mile, with new england damp leaves and mud. I feel if you into biking and hiking you can go wrong with any gearing.
I dislike nike, but just do it.
keep the triple!rockbender
Apr 13, 2003 4:02 PM
I just put an Ultegra triple on my CX (swapped from the roadie, actually) and am running 44-38-30. This combo works really good for me. I like having the close ring selection - makes for more gear ranges and nice shifts. Yes, I know, I am likely overlapping all over the place, but I like the versatility when paired with a 12-27.

As a side note, I likely would have gone for a 46 or 48 big ring if I didn't have the 44 sitting in the garage. Also, I do NOT race, so the CX rig is all about being the multi-purpose all weather fun bike, which it is to the tee!