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  1. #1
    mtbr member
    Join Date
    Sep 2010

    Disc brak upgrade

    Hi.. I am new to the forum.

    I bought this bike for my wife.. comes with Tektro linear pull brakes,
    REI mentioned the bike is disc brake ready, it has got disc hubs, and the holes on the fork and the rear to mount calipers
    If I can upgrade it, I might as well get AVID BB? are all calipers using same boss spacing?

    For reference here is the better model with a disc brakes (but not particular good ones)
    I am pretty sure it has the exact same frame

    I looked a pair of BB7 with rotors run about $130, which isn't too bad of a cost down the road to get the best mechanical brakes, I am just wondering if I need new brake levers, however I think the kits come with new levers. Just a quick search turned up like this

    I want to learn how to do it myself if it is easy enough. Do I need special tools to make new cables?

    Any recommendation on BB5/BB7 and rotor size combinations?? The rider is 115lbs, would 185mm be overkill?

  2. #2
    Fueled by Tigerblood
    Reputation: mtnbikecrazy55's Avatar
    Join Date
    Jul 2007
    The bb7's way out perform the bb5's.

    the matter of cost is not even substantial to settle with the bb7's

    i ran bb7's until i upgraded to elixir cr's.

    the hydros are nice but honestly unnessassary.

    the bb7's were east to set up, adjust, maintain, and they provided excelent stopping power.

    It really depends on the application, but unless youre doing some hardcore singletrack decents, the 160'mms will be way more than fine, so yes 185's would be deff overkill.

    hope this helps,


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