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  1. #1
    mtbr member
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    May 2004

    Brake system weight Avid mech VS XT Hydro.

    Ok what's the weight difference between

    Avid 203 front (converted from 165mm) with adapter and 165 rear,both full length jagwire housing with Avid SD Mag levers


    Shimano XT M755 Levers with M755 four piston calipers in 160mm for front and rear. Average house length for a FS med size frame.

    I was trying to figure this out and came out with some pretty close number, now I just need an outside opinion.

  2. #2
    Jm. is offline
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    Jan 2004
    Shimano M755 165mm rotors front and rear = ~930g

    Avid mag levers ~160g + Avid rear caliper + rotor and hardware ~360g + front caliper + bolts and 203mm rotor ~400g + ~2m of brake housing which is about ~80g + ~30g for two cables = 1031

    So about 100g or so, however I'd bet if you weighed those particular setups on your own bike you may find even more difference. To put it simply, avid cable discs are fairly heavy. The calipers and rotors alone weigh what other complete F or R systems do. Those Shimano disc brakes are not exceptionally light, but they come out significantly lighter than the avids.
    I know in my heart that Ellsworth bikes are more durable by as much as double. AND they are all lighter...Tony Ellsworth

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