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Thread: 2019 1250 GS brakes.

  1. #1

    2019 1250 GS brakes.

    Just looked at a 2019 GS at the dealer and observed that the brake calipers no longer display the Brembo name. They simply are stamped BMW. Did BMW stop using Brembo brakes? I cannot find anything on the BMW specification sheets about a change of brake supplier. Any info appreciated.

  2. #2
    Debbie's Servant Lee's Avatar
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    Quote Originally Posted by 146023 View Post
    Did BMW stop using Brembo brakes? .
    The front calipers on the 2019 GS/GSA and RT are no longer Brembo they are U.S. made Hayes calipers.
    The 2019 R1250RS and R still have Brembos front and back.
    Last edited by Lee; 11-25-2018 at 09:10 PM.
    Lee
    2016 R1200RS
    MOA # 30878
    Past BMW Bikes: 2011 K1300S, 2003 K1200RS, 1991 K75S, 1987 K75T, 1984 R100RT

  3. #3
    Quote Originally Posted by Lee View Post
    The front calipers on the 2019 GS/GSA and RT are no longer Brembo.
    The 2019 R1250RS and R still have Brembos front and back.
    Do you know who the brake supplier is?

  4. #4
    Debbie's Servant Lee's Avatar
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    The different brakes are mentioned in this video at the 13:15 mark.

    https://youtu.be/5WgugJQmRJA

    Lee
    2016 R1200RS
    MOA # 30878
    Past BMW Bikes: 2011 K1300S, 2003 K1200RS, 1991 K75S, 1987 K75T, 1984 R100RT

  5. #5
    Registered User LFarling's Avatar
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    I know nothing about Hayes now, but my Father worked for them in the 70's until he retired as a Sales/Factory rep.

    They are the people who patented the heavy truck and a year or two later the car disk brake in 1968 or so.


    They had the chops back in the day, but have no clue who owns or runs them these days.

    They give you more power and add weight. I really hope they did not half step in what you need to haul the bike down from speed.

    It would be disappointing but I can think of no reason to change from Brembo to someone else who brands them with your name, other then cost.
    Lee
    2017.5 R 1200 GSW

  6. #6
    I just bought a 2019 R1250GSA as an upgrade from my 2007 GS. The new brakes are unbelievable. I hit the front brakes hard and it stopped straight and fast. They are very, very impressive. What surprises me is the data in the video above shows the brakes have a longer stopping distance than the Brembos. I suppose there are many variables that could account for the difference.

  7. #7
    Registered User bikerpaul's Avatar
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    Admittedly though, they only did the brake test once.

  8. #8
    Registered User stooie's Avatar
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    Quote Originally Posted by LFarling View Post

    They are the people who patented the heavy truck and a year or two later the car disk brake in 1968 or so.
    Lee: I would respectfully suggest that the statement be revised to read "a car disk brake". I don't doubt that Hayes patented a car disk brake circa 1968, but they weren't the first by any means. Predecessors included (per Wikipedia):

    1951 Citroen DS was the first production car with disk brakes.

    1953 Jaguar C-Type won LeMans with Dunlop disk brakes.

    1955 Triumph TR-3 had Girling 4-wheel disk brakes.

    Ride safe/have fun!
    Bob Stewart
    Salem, OR

    2018 RT

  9. #9
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    Brembo does not have any magic sauce. Disk brake calipers, rotors, pads are a MATURE product, there is no significant difference between brands. If you are racing brand B might be a very tiny bit better than brand A.

    No worry as long as they still use quality components. If the get some profit driven jerk in the vendors purchasing dept, at any brand all bets are off.

    Rod.

  10. #10
    Dress for fall & avoid it AlanColes's Avatar
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    Quote Originally Posted by jmills@gotown.net View Post
    I just bought a 2019 R1250GSA as an upgrade from my 2007 GS. The new brakes are unbelievable. I hit the front brakes hard and it stopped straight and fast. They are very, very impressive. What surprises me is the data in the video above shows the brakes have a longer stopping distance than the Brembos. I suppose there are many variables that could account for the difference.
    I haven't watched that video for a while now, but like many tests there are several things in it that unfortunately, don't lend themselves to much accuracy.

    The two bikes were shod with different tires and the R1200GS tires were far more broken in (3,500 miles) than the R1250GS which had 760 miles at the end of the testing, but for the braking/acceleration testing, they looked virtually new and the brake pads/discs may have been as well. You can't do proper comparative testing that way. Also, any braking test will not show well for a tire that isn't well worn in compared to one that is virtually new tire (4%-5% worn) vs one that is 20% through it's wear. Even tread squirm is significantly different. Fuel ecomony also is at it's worst with such low mileage. The 1200 is definitely not completely broken in yet, but it is much farther along that route than the 1250, so again, apples to oranges.

    As the brake pads are different part #'s. This doesn't necessarily mean that they are a different compound, possibly just a different shape due to the switch from Brembo to Hayes, but it is possible that there is a difference in the compound which can affect braking significantly. The only way to do a proper test of the brake calipers would be with identical tires of the same age with identical brake pads. The rotors are the same part # so that is a constant, but with the pads potentially being different and the tires definitely being not just different but also significantly different in wear, their braking test is meaningless. Just more internet fluff.
    Regards, Alan - President BMWONS - MOA Charter Club #097, BMWMOA/BMWRA/BMWONS/Airheads
    Current: '14 R1200RT / '06 Ducati ST3s / '91 R100GS / '86 R80RT / '75 R90S / '73 850 & '70 750 Commando Prev: '04 R1150RT / '81 Honda GL1100 / '77 Suzuki GS750 / '73 Norton 850 Commando

  11. #11
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    Hayes has been around in one form or another since the 30ís during WWll they manufactured most of the wheels and brakes for US aircraft
    Hopefully there replacement pads will be a little less expensive

    Jim

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