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  1. #1
    mtbr member
    Reputation: laurenlex's Avatar
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    Sep 2006
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    What size bb7 to get? Going mullet style.

    Hi, I have a '97 GT LTS-1 and bought a '05 Marzocchi MX Pro ETA 120mm for it last year. I am stuck with v-brakes on the back, but will be adding some BB7's to the front. If this matters, I will be running 8 speed Deore XT rapidfire combo levers with the little lever travel adust roller removed.

    I bought a used disc front wheel, and it came with an Avid 160mm rotor installed. This rotor is an added bonus, but I wonder if I would be happier with a larger rotor on the front. I am not afraid of radically different braking power front and rear. The new wheel is cheap and heavy, but the straight gauge spokes will make it stiff.

    Knowing that I ride on dusty, steep, rocky and technical trails in the Rockies, would you get 160mm Avid BB7's and have a spare rotor, or get the 185's for more power and greater heat dissapition. Remember I will still have v-brakes on the back.

    I have never used disc brakes, and am stoked. Thanks for the advice. I gotta keep this cheap so I can get a new bike next summer, so no disc's on the back.

  2. #2
    Nightriding rules SuperModerator
    Reputation: crisillo's Avatar
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    the 185s are great..and although Marzocchi doesn't approve..I have run them (185s) in MXs and Marathons without issue... the adapter for the 160 is about $6, so you could always switch back if it is too much (since you already have the rotor)

  3. #3
    Nouveau Retrogrouch SuperModerator
    Reputation: shiggy's Avatar
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    Quote Originally Posted by crisillo
    the 185s are great..and although Marzocchi doesn't approve..I have run them (185s) in MXs and Marathons without issue... the adapter for the 160 is about $6, so you could always switch back if it is too much (since you already have the rotor)
    Or de-tune the brake. Easy to do with BB7s. More likely you will learn to use a light touch on the front brake and love it.
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