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Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

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Old 05-08-06, 09:17 AM   #1
LastPlace
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Road To Touring............

Two years ago I bought a Trek 1200 which is a great bike but not the bike I should have bought
for what I now have in mind, which is long day rides in the mountains of South Carolina
and North Carolina.

Question. Can my BB be swapped out for a touring or MB BB with much lower gearing?


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Old 05-08-06, 09:46 AM   #2
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Originally Posted by LastPlace
Two years ago I bought a Trek 1200 which is a great bike but not the bike I should have bought
for what I now have in mind, which is long day rides in the mountains of South Carolina
and North Carolina.

Question. Can my BB be swapped out for a touring or MB BB with much lower gearing?


LastPlace
Bottom bracket has nothing to do with your gearing. You already have a triple on that and most likely a 12-15 cassette. You could sneak by with a MTB cassette to give you a different gear range.
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Old 05-08-06, 10:15 AM   #3
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Touring............

Capwater,

Thanks. For no good reason I assumed that changing the front cassette would mean a change of BB.


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Old 05-08-06, 10:31 AM   #4
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Capwater,

Thanks. For no good reason I assumed that changing the front cassette would mean a change of BB.


LastPlace
There is no cassette in the front. The cassette is the cluster of gears on your rear hub. You could go with a compact up front, but your current triple crankset ought to have a wide enough range of gears.
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Old 05-08-06, 11:45 AM   #5
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I don't know what derailure that bike would have, but if it's a short cage derailure, wouldn't that not work with anything larger than about a 27 or 28 tooth cog?
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Old 05-08-06, 01:15 PM   #6
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I don't know what derailure that bike would have, but if it's a short cage derailure, wouldn't that not work with anything larger than about a 27 or 28 tooth cog?
Triple will have a long cage derailler. I've seen 29s on short cages for hill climb TTs.
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Old 05-08-06, 03:47 PM   #7
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Cassette............

capwater,

Sorry I was being inaccurate in my choice of words. Thank you for understanding what I was trying to ask.

I do have a 12-24 'Cassette' out back and a 30-42-52 triple
up front.

Basically I am trying to get lower gears because of age and injury issues and
my desire to ride in nearby mountains.

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Old 05-08-06, 08:17 PM   #8
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You running 9 speed rear? An SRAM 12-26 or Simano 12-27 cassette in the rear will do wonders for your situation.
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Old 05-08-06, 08:49 PM   #9
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Sorry I was being inaccurate in my choice of words. Thank you for understanding what I was trying to ask.
I like this thread ,and the vintage thread, because people here will help you. I learn something here nearly every time I log in.
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Old 05-08-06, 09:39 PM   #10
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Yes, you can install a touring triple (26/36/46). Sugino makes them compatible with Shimano square taper BB spindles. You will have to shorten the chain.
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