Seat post sizing

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04-23-12 | 07:50 PM

undisputed83

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From: Westbrook, Maine

Bikes: 2011 Litespeed M-1, 1991 Raleigh Technium (Commuter)

Seat post sizing

My seat post is a "FSA 20mm Setback" A lot of the posts I see on nashbar are 25mm. Does that make a difference?

04-23-12 | 08:23 PM

cocchiarell

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yes, by 5mm.

in all seriousness, it depends on what its measuring. set back measures how far the clamp is from the post. Whether or not it fits depends on the diameter of the post

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