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Old 09-05-09, 11:53 PM   #1
Rallybike
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MTB and Road bike seatpost ??

What different between MTB seatpost and Road bicycle seatpost? Can i use Road bicycle seatpost for MTB?

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Old 09-06-09, 08:52 AM   #2
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Nothing. Swap them and ride.
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Old 09-06-09, 09:32 AM   #3
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Length is the biggest difference. Road seatposts tend to be 250mm in length or shorter, and MTB seatposts tend to be 350mm or longer.
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Old 09-06-09, 11:58 AM   #4
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Doesn't the length of seatpost depend on the inside leg? I am confused. 250mm seatpost may not fit some tall guys ?
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Old 09-06-09, 12:11 PM   #5
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Doesn't the length of seatpost depend on the inside leg? I am confused. 250mm seatpost may not fit some tall guys?
True. But usually, on most road bikes, if you need a post longer than 250mm, then you should be on a larger frame size. There are exceptions on occasion.
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Old 09-06-09, 03:21 PM   #6
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Sometimes the hardware on a road post is a bit more delicate. I briefly had a Bianchi road post on one of my MTBs (it was a takeoff and available in the odd size I needed). It self-destructed in one weekend of DH racing.
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Old 09-06-09, 04:28 PM   #7
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some road seatposts can't move or angle as much as mtb seatpost due to the geometry differences.
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Old 09-07-09, 01:21 PM   #8
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Plain type seems to be more durable.
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