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  1. #1
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    Short Reach on Mach 6

    Hi, I am interested in the new Pivot Mach 6 but looking at the numers I saw that it has a very short reach (16.3 size L) compared so some of it competitors (Bronson, Troy).
    Are those numbers correct or may they been wrong?
    I am wondering a bit because long TT and Reach numbers ridden with short stems are common on modern geometry bikes.
    What do you think?

  2. #2
    Not just famous; infamous
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    IIRC, reach is measured horizontally from the BB center to the head tube center. Pivots have fairly slack seat angles, so the reach will be shorter, even if the effective top tube length is the same or greater than another bike. For example, the large M6 has a 71.5 angle, while the Bronson has the classic 73 degree seat tube angle. Even thought the M6 has a slightly longer top tube length (24.36 vs 24"), the slacker seat tube angle "pulls" the head tube back and shortens the reach.

    Neither effective top tube length nor reach are absolute indicators of fit, it's more about the total package. After it's all said and done, you'll probably use about the same stem length on either bike. Even if you would need a longer stem on the M6 (again, using the Bronson as a comparison), the difference in reach (16.3 vs 16.9") is only .6" or 15mm.

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