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Thread: 160 / 185 / 203

  1. #1
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    160 / 185 / 203

    I just ordered a Redline Monocog Flight 29. I wasn't happy with the BB5's on the bike I rode at the shop. They required too much lever force to lock them up. I want to replace them with the BB7's and am wondering if I should go to 185 or 203 mm from the 160's.

    Also, is anyone aware of a different set of cables that would help with brake performance?

  2. #2
    No, that's not phonetic
    Reputation: tscheezy's Avatar
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    You could run a 185 in front and leave the rear at 160. Most of the braking power comes from the front wheel. Any die-drawn stainless cable and a decent quality, lined, generic housing (like QBP's house brand) that has been cut correctly (with a dremel- not with the ends crushed) should give you very smooth, compression free action.
    My video techniques can be found in this thread.

  3. #3
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    Is there any disadvantage to running 185ís on the rear also?

  4. #4
    i like rocks
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    if your going to upgrade brakes why would you not go hydro?

  5. #5
    ...idios...
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    It's not usual for a brake on a shop bike to be bedded in fully. The BB7 and BB5 work the same way, although the BB7 has a slightly different level of adjustment.
    Don't write off any system until you've tried a version which is fully set up and the pads/rotors have bedded in.
    Peace,
    Steve

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    Diogenes


  6. #6
    Nightriding rules SuperModerator
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    Steve makes a good point... it is very likely the brakes at the shop were not bedded in.... the only thing I would see as disadvantage of also running a 180/185 rotor in the rear is that if you are a lightweight, the brake could lock up very easily as your weight shifts forward.

    As Tscheezy stated, you can get a bigger front rotor and stay with 160 in the rear... I personally run 203/180 in my FS and 185/160 on my ss and feel good with both setups, but I weight about 210 lbs.

  7. #7
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    I would just go by your weight. Larger rotors will more easily stop larger people.

  8. #8
    Nouveau Retrogrouch SuperModerator
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    Quote Originally Posted by SteveUK
    It's not usual for a brake on a shop bike to be bedded in fully. The BB7 and BB5 work the same way, although the BB7 has a slightly different level of adjustment.
    Don't write off any system until you've tried a version which is fully set up and the pads/rotors have bedded in.
    Peace,
    Steve
    Agreed! Until they have bedded in a disc brake can fell and work poorly.

    With the last bike I put new BB7s on I could not stop the bike while pedaling on the flat at first. By the end of the first 12 mile ride they were up to the one-finger performance I love.
    mtbtires.com
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  9. #9
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    Thanks for the info. Didn't think about the brakes not being bedded in. I'll give the stock ones a shot for a month or so and see how they work. If I'm not satisfied, I'll go to the 185's. BTW: I'm not a "light weight" 200 lbs.

  10. #10
    Double-metric mtb man
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    Definitely give the brakes a chance to get bedded and broken in before passing final judgement.

    Big front (203) and smaller rear (160) seems to work well for me at my 235-240lb (before gear) weight.
    As if four times wasn't enough-> Psycho Mike's 2013 Ride to Conquer Cancer Page

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  11. #11
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    Good question

    Quote Originally Posted by euroford
    if your going to upgrade brakes why would you not go hydro?
    Potentially several reasons to include cost and the fact that a well set up Avid mechanical disc brake configuration performs as well or better than some hydros. Preferences play a part also.

    Bob
    'If Wal-Mart sold parachutes, who would jump?' Frank Havnoonian (quoting his father) Drexel Hill Cyclery

  12. #12
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    Actually I was in the same boat of having OEM discs, but couldn't find replacement pads and would have to buy a complete new set of brakes - calipers, lines levers - and was going to go BB7's, but when I added up the cost of getting them all it was so close to a set of HOPE Mono Mini's that I went with them instead. The good thing about going mech disc is that if you already have levers for V-Brakes you just need to buy the calipers.

    Quote Originally Posted by Call_me_Clyde
    Potentially several reasons to include cost and the fact that a well set up Avid mechanical disc brake configuration performs as well or better than some hydros. Preferences play a part also.

    Bob
    One day your life will flash before your eyes, will it be worth watching??

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