Bike Forums - View Single Post - What is the purpose of a setback seatpost?

02-22-12 | 03:35 PM

#10

Brian Ratliff

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Joined: May 2002

Posts: 10,123

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From: Near Portland, OR

Bikes: Three road bikes. Two track bikes.

Quote:

Originally Posted by mmmdonuts

Setback is yet another adjustment to get your pelvis in the best place relative to the cranks. Some need it and some don't. Since road frames range from 72*-74* STA it is easier and cheaper to use setback to compensate. A slacker STA may call for a longer chainstay, a no-no for some people.

Chainstay would only increase 3-4mm if at all. And if this were the case, why not take the setback to a further extreme?

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Last edited by Brian Ratliff; 02-22-12 at 03:39 PM.

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