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Discussion Starter · #1 ·
I ride a GT Marathon 9r with a 22/32 front and 12-34 rear. It's great on most of my trails.
But my LBS let me trail test his personal FELT nine elite carbon frame built up to under 20lbs. I took it to my CC trails and OMG. This thing climbs like a goat.
I am now considering one built up as a 1x9 or 1x10. I need to get the gearing right as I am 62 years old and don't want to run out of gears on climbs.
His bike had a 28/39 front and 11-32 rear. I made all the climbs but I need some extra at times

I was thinking 28t front and 12-36 rear
What are your thoughts.
 

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I went from a sub 22lbs FS race bike to a HT 29er and have never looked back so I know where your coming from. I elected to go with the X9 2x10 and that was a really good move as well
 

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Since you are looking at a 1x9 or 1x10:

If going with 1x9, an 11-34 has slightly more range than a 12-36, so I would go with 11-34 on the back and size your chainring as needed.

A 10 speed with an 11-36 would have even more range. . . .
 

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You could always run a 24 36 up front and a 11 x 32 or 11 x 34 in the rear, and that should provide you with pretty much all you need in a 2 x 9. Slight weight penalty, but a good build in a hardtail still climbs like white lightning with a good motor pushing the pedals.
 

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Discussion Starter · #5 ·
RandyBoy said:
You could always run a 24 36 up front and a 11 x 32 or 11 x 34 in the rear, and that should provide you with pretty much all you need in a 2 x 9. Slight weight penalty, but a good build in a hardtail still climbs like white lightning with a good motor pushing the pedals.
This is what my LBS suggested, a 2x9 built from a triple crank using the inner, middle, bash and an 11x34 rear. That gives me lots of options with the front chainrings
 

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32T up front with an 11-36 10 speed in the rear is how I would (and did) go if you don't think 32x32 will be low enough. Your other option is pretty much 2x9 or 2x10. Pretty sure the smallest ring you can run in a 1x setup is 31t.
 
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