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 Post subject: Gearing question
PostPosted: Fri Oct 23, 2015 9:27 pm 
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friendly kitty
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Joined: Mon Dec 29, 2014 10:56 pm
Posts: 353
Location: Grand Prairie, TX
So it is the time of year I get to call my birthday time of year, and as such, I think my wife is going to green light a new frame to build up a new gravel/bikepacking/commuter bike with.... I think this because she had no problem with me buying the tires for it today.

So the plan is looking like I will be building a bike around a Specialized AWOL frame (also considering something like the Surly Straggler or Orge still). The bike will be running 29x2.0 Schwalbe Marathon Almotion HS 453 tires for more of its duties. I plan on building V1 of the bike up around parts I already own on my current commuter, so this will be a flat bar bike at first.

Gearing. Since the bike is being built to also run loaded and not be a rocket ship, I have thought about running a 3x up front for more climbing ability (for my fat ass). I am stuck between a road triple and an trekking triple. 50-39-30 vs 48-36-26. The cranksets will either be Shimano road 5703/4603 or offroad M590/M610. Insight on these choices? The trekking crankset is about half the price, so of course I kind of like it since V1 is a budget-ish build.


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 Post subject: Re: Gearing question
PostPosted: Sat Oct 24, 2015 5:40 am 
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friendly kitty

Joined: Fri Mar 15, 2013 10:19 pm
Posts: 463
Rear cassette ranges?

What's the gearing on your current commuter, and are you happy with it? If not, which direction were you hoping to move?


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 Post subject: Re: Gearing question
PostPosted: Sat Oct 24, 2015 6:03 am 
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friendly kitty
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Location: Grand Prairie, TX
Current commuter is 44-33-22 old school mountain. For the rear end, I have both a 11-36 and 11-32 range cassette for now. The goal is to have a bike fast enough for commuting but also able to roll with a load for camping.

I have been rolling this around in my head and I think I have answered my own question. I think I have just WAY over thought the gearing. The numbers are so close. I already know that I don't run out of gears going faster with my road's 50-34. I think the lower numbered mountain set makes more sense in an all around bike for me. :D


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 Post subject: Re: Gearing question
PostPosted: Sat Oct 24, 2015 12:20 pm 
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bad kitty!
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Joined: Tue Jan 15, 2013 11:22 am
Posts: 2525
The road crankset may have clearance issues on those frames.
Also the MTB cranksets seems to mostly be stiffer, so when grinding uphill I would prefer such.

As for the range, I would want to have a 26T for hauling off road duties.

Magura :)

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 Post subject: Re: Gearing question
PostPosted: Sat Oct 24, 2015 4:01 pm 
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big hucker
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Joined: Wed Jan 16, 2013 7:32 pm
Posts: 3086
Location: Dallas, TX
I don't remember the exact gearing on my Surly Trucker. I believe it's 44-34-24 / 11-28 (I can check for sure later).

Anyway, to me it's perfect. I have the low gearing I need when I'm hauling my panniers up the climbs and high gearing when I need to scoot along. I've only run out of high-gearing once when I exceeded 37mph on a downhill. At that point I just want to coast, anyway. :)

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