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Stupid chainring numbering question

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Stupid chainring numbering question

Old 06-04-17, 12:15 PM
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robxcarlson
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Stupid chainring numbering question

Cannot seem to find the answer to this question by searching everywhere....

I'm installing new trigger shifters on a mtb. Is the smallest chainring 1 or 3?

I know the higher number is for smaller cogs on rear but I don't just want to assume it's the same for front.

Thanks!
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Old 06-04-17, 12:25 PM
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bikeman715
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For the front 1 is for the smallest . 2 middle ,and 3 for biggest .
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Old 06-04-17, 12:27 PM
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robxcarlson
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Originally Posted by bikeman715 View Post
For the front 1 is for the smallest . 2 middle ,and 3 for biggest .
Thank you!
I don't know why I couldn't find this spelled out anywhere.
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Old 06-04-17, 12:27 PM
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In the rear, "1" is the biggest cog.
Up front, "1" is the smallest chainring.

Front or rear, shifting from lower numbers to higher ones will give you a "higher" gear -- e.g. tougher to pedal, but goes faster. It might be confusing at first mechanically since it seems opposite front and rear, but it makes perfect sense from the rider's perspective.
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Old 06-04-17, 02:49 PM
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dabac
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Originally Posted by robxcarlson View Post
Thank you!
I don't know why I couldn't find this spelled out anywhere.
Because it would have become obvious once you hooked the wire up.
The overwhelming majority of front derailers are low-normal. If you hooked up the derailer in its resting position with the shifter set to "3" it wouldn't be able to pull any more wire and wouldn't be able to shift.
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Old 06-04-17, 03:35 PM
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robxcarlson
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Originally Posted by dabac View Post
Because it would have become obvious once you hooked the wire up.
The overwhelming majority of front derailers are low-normal. If you hooked up the derailer in its resting position with the shifter set to "3" it wouldn't be able to pull any more wire and wouldn't be able to shift.
To be fair, I did label this as a stupid question.
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Old 06-04-17, 11:35 PM
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Originally Posted by robxcarlson View Post
To be fair, I did label this as a stupid question.
Nah, you have to try harder for that.

A bit inexperienced, I buy that.

I "never" look at the numbers while installing. Feed out all cable from shifter, tension it, clamp at derailer, tune, done.
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