How to get fit for a bike?-
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  1. #1
    Reputation: Demonsmasher's Avatar
    Join Date
    Jul 2006

    New question here. How to get fit for a bike?

    OK guys, when I go to get a bike this week. what is the best way to get fit for the size of bike? I was told by one salesman to stradle the bike and lift up on it bringing it into your croch. He said you should have about 1-2" of clearance from the weels to the floor when lifting up on the bike. Is this correct?

  2. #2
    mtbr member
    Join Date
    Jul 2006
    That's correct in a sense but it's far from all you need to know about bike fit. What's more important for a good fit is the virtual top tube length, or a line drawn from the head tube to the seat tube, or seat post if necessary, that is parallel to the ground. Too short for your body and you'll feel cramped. Too long and you'll feel stretched out. Note that this length is "virtual" because most top tubes slope from front to back so the actual length of the tube doesn't really tell you much about the overall cockpit length so you have to imagine a virtual top tube that is parallel to the ground to get the size right.

    Try using one of the online fit caculators like the one at or to get your ideal top tube length then take a tape measure to the shop to help match it on the bikes you try out.

    After you've done all that, just buy the bike that feels best no matter what the numbers say. The fit stuff just gets you in the ballpark anyway. Everyone is going to be a little different.

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