Marta SL/XT rapidfire setup lighter than XTR Dual Control?- Mtbr.com
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  1. #1
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    Marta SL/XT rapidfire setup lighter than XTR Dual Control?

    Does anyone have a weight breakdown of a Magura Marta SL/XT rapidfire brake/shift system vs. an XTR Dual Control shift/XTR M-965 brakeset? My calculations are as follows:

    Magura Marta SL front/rear: 648g (324 grams each F/R)
    XT rapidfire shifter 240g

    Total for setup: 888g

    XTR M-965 disc brakeset front/rear: 790g (395 grams each F/R)
    XTR Dual Control shift/lever: 442g

    Total for setup 1232g

    This doesn't seem quite right-it seems odd that the Magura SL's (caliper/brake lever/rotor) would be 70 grams lighter than the XTR caliper/rotor only. Is the Magura quote of 324g for caliper/rotor only and not lever? Is there something else I am missing-those numbers don't seem accurate.

  2. #2
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    Quote Originally Posted by dawgcatching
    Does anyone have a weight breakdown of a Magura Marta SL/XT rapidfire brake/shift system vs. an XTR Dual Control shift/XTR M-965 brakeset? My calculations are as follows:

    Magura Marta SL front/rear: 648g (324 grams each F/R)
    XT rapidfire shifter 240g

    Total for setup: 888g

    XTR M-965 disc brakeset front/rear: 790g (395 grams each F/R)
    XTR Dual Control shift/lever: 442g

    Total for setup 1232g

    This doesn't seem quite right-it seems odd that the Magura SL's (caliper/brake lever/rotor) would be 70 grams lighter than the XTR caliper/rotor only. Is the Magura quote of 324g for caliper/rotor only and not lever? Is there something else I am missing-those numbers don't seem accurate.
    I think your xtr weights are off:
    approx weights:
    xtr caliper: 98g each
    xt 6 bolt rotor : 140g
    xtr center lock: 135g

    So you should have 2 calipers (200g) + rotors 280g + hoses/fluid (80g +- depending on length) + STI (440g)
    or about 1000g

  3. #3
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    My XT/XTR setup inc XT levers, rotors, calipers, lines, bolts, fluid, shims and so forth... everything that went on the bike was a shade over 800g, something like 816. My XTR calipers were something like 98 and 101g and the rotors were both about 130g with bolts. Both levers were in the neighborhood of 140g... again if I remember right. But those are awfully close.

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