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  1. #1
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    Brake upgrade...

    My 2004 Trek 4300 is in need of new brakes. Bike is stock. Just wondering would it be easy to convert to disk? What price range would you think? If so what are your suggestions for parts and what needs to be done?
    Are my stock rims compatible? I'm looking for winter project.
    Brian

  2. #2
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    Hubs must be disc compatible or you will need new hubs. Frame must have disc tabs on rear or you will need to swap frames. Fork must have disc brake tabs/posts or you would need a new fork.

  3. #3
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    Quote Originally Posted by branthopolis View Post
    Hubs must be disc compatible or you will need new hubs. Frame must have disc tabs on rear or you will need to swap frames. Fork must have disc brake tabs/posts or you would need a new fork.
    I want to say yes, but not 100%. I'm at work right now, will check in the morning.

  4. #4
    rebmem rbtm
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    TrekBikes.com Bike Archive | 2004 4300

    The fork has disc tabs.
    The frame probably doesn't have disc tabs but you can get a bolt on frame disc adapter for this bike if it doesn't.
    The hubs probably wouldn't be disc compatible so you'll need new wheels.
    With mechanical discs you can use your current brake levers but you'll need new brake cables and housings.
    If you currently have a brake/shifter combo set up and you were to get hydraulic discs brakes you'd also need to buy new shifters.

    Brakes/Brake Adapters/Rotors - $102 - Avid BB7 Mechanical Disc Brake '10 at JensonUSA.com
    Wheelset - $95 - Shimano Deore Disc/Rhyno Lite Wheelset at JensonUSA.com
    Cable & Housing - $17 to $30 - Jagwire Hyper Cable and Housing Kits at JensonUSA.com
    or Jagwire Ripcord Diy Brake Kit at JensonUSA.com
    Disc Frame Adapter - $34.50 to $38.50 - Trek Klein Gary Fisher Rear Disc Brake Adapter OEM MADE | eBay
    or Rear disc brake adapter 4 Gary Fisher Trek Klein Juicy | eBay

    Here's a good value brake kit but you'd need to buy new shifters if you currently have the brake/shifter combo set up.
    Brake Combo - $121 - BlueSkyCycling.com - Avid BB7 Disc Brake Combo Kit 2010
    Shifters - $21 - Shimano Alivio SL-M410 Shifters at JensonUSA.com

    .
    Last edited by cobba; 09-25-2011 at 11:48 PM.

  5. #5
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    Quote Originally Posted by cobba View Post
    TrekBikes.com Bike Archive | 2004 4300

    The fork has disc tabs.
    The frame probably doesn't have disc tabs but you can get a bolt on frame disc adapter for this bike if it doesn't.
    The hubs probably wouldn't be disc compatible so you'll need new wheels.
    With mechanical discs you can use your current brake levers but you'll need new brake cables and housings.
    If you currently have a brake/shifter combo set up and you were to get hydraulic discs brakes you'd also need to buy new shifters.

    Brakes/Brake Adapters/Rotors - $102 - Avid BB7 Mechanical Disc Brake '10 at JensonUSA.com
    Wheelset - $95 - Shimano Deore Disc/Rhyno Lite Wheelset at JensonUSA.com
    Cable & Housing - $17 to $30 - Jagwire Hyper Cable and Housing Kits at JensonUSA.com
    or Jagwire Ripcord Diy Brake Kit at JensonUSA.com
    Disc Frame Adapter - $34.50 to $38.50 - Trek Klein Gary Fisher Rear Disc Brake Adapter OEM MADE | eBay
    or Rear disc brake adapter 4 Gary Fisher Trek Klein Juicy | eBay

    Here's a good value brake kit but you'd need to buy new shifters if you currently have the brake/shifter combo set up.
    Brake Combo - $121 - BlueSkyCycling.com - Avid BB7 Disc Brake Combo Kit 2010
    Shifters - $21 - Shimano Alivio SL-M410 Shifters at JensonUSA.com

    .
    Thats perfect thank you.

  6. #6
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    Quote Originally Posted by cobba View Post
    TrekBikes.com Bike Archive | 2004 4300

    The fork has disc tabs.
    The frame probably doesn't have disc tabs but you can get a bolt on frame disc adapter for this bike if it doesn't.
    The hubs probably wouldn't be disc compatible so you'll need new wheels.
    With mechanical discs you can use your current brake levers but you'll need new brake cables and housings.
    If you currently have a brake/shifter combo set up and you were to get hydraulic discs brakes you'd also need to buy new shifters.

    cobba, you are correct forks have tabs frame does not.

  7. #7
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    You can get most of the benefit of a disc setup if you just do the front. I'd be more inclined to do that than to use an adapter for a non-disc frame.
    "Don't buy upgrades; ride up grades." -Eddy Merckx

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