BMW K bikes (Bricks)

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1Back to top Go down    Brake pad quality, what's the diff? on Wed Jul 05, 2017 9:30 pm

club_c

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I need new rear pads for the '88 KRS and looking on eBay there are so many different price points. Thought I'd just get an entirely new set front and rear. Some are selling for under $14 shipped for all three calipers! Some are over $100 for all three. So where's the middle ground? The $14 ones are 'semi-sintered'...



Last edited by club_c on Thu Jul 06, 2017 1:08 am; edited 1 time in total


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"There's never enough time to do it right, but there's always time to do it over."

1988 K100RS SE VIN 01477554
    

2Back to top Go down    Re: Brake pad quality, what's the diff? on Thu Jul 06, 2017 12:35 am

RicK G

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$14 for semi sinterd, they will be garbage. I try to buy a brand name at a good price. Sintered pads will wear the disc and organic will wear the pads. I usually go for the organic due to the price of new discs. Sintered pads are also filthy things they leave a black powder residue on the wheels that is really bad news to clean off.


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"Every normal man must be tempted, at times, to spit upon his hands, hoist the black flag, and begin slitting throats." from Mencken's 1919 Prejudices

Bikes 1993 K1100 LT, 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki X 2 & 1976 SR 500 Yamaha for now
    

3Back to top Go down    Re: Brake pad quality, what's the diff? on Thu Jul 06, 2017 4:30 am

MartinW

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Rick what brand pads are you using, I have a set of new EBC fully floating discs that are waiting to be installed. I've chopped out two sets of Metal Gear discs one with a set of EBC organic, and the next set with a set recommended by Metal Gear their brand. I switched to SBS when they started to tramline. I emailed EBC when I bought the new discs and they said to run EBC organic. Before the two sets of Metal Gear I ran a set of EBC and they chopped out, the Ebc rep said they now make the discs out of hardened steel. Interested to see what other Ozzies run.
Regards Martin.

    

4Back to top Go down    Re: Brake pad quality, what's the diff? on Thu Jul 06, 2017 3:15 pm

Point-Seven-five

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For what it's worth I have been running Volar Kevlar/organic pads from D2Moto(an eBay seller) on my three bricks for a total of over 40,000 miles with no problems. One set now has just over 25,000 on them and will be changed this fall. My bikes are used a lot on expressways for commuting and long distance touring.

Only issue is that they need anti-squeal on the back to quiet them down on low speed stops. Otherwise, I am very happy with them.


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Present:
1994 K75RT
1994 K75S
1992 K100RS

Past:
1982 Honda FT500
1979 Honda XR185
1977 Honda XL125
1974 Honda XL125
1972 OSSA Pioneer 250
1968 Kawasaki 175
    

5Back to top Go down    Re: Brake pad quality, what's the diff? on Thu Jul 06, 2017 3:39 pm

duck

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I've never had any issues running EBC organics on BMW OEM rotors.

If you get cheap pads then you have no idea how quickly they wear so it would be advisable to check their thickness fairly often.


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Current stable:
86 Custom K100 (standard fairing, K75 Belly pan, Ceramic chromed engine covers, paralever)
K75 Frankenbrick (Paralever, K11 front end, hybrid ABS, K1100RS fairing, radial tires)
86 K75C Turbo w/ paralever
94 K1100RS
93 K1100LT (x2)
91 K1
93 K75S (K11 front end)
91 K75S
14 Yamaha WR250R
http://www.ClassicKBikes.com
    

6Back to top Go down    Re: Brake pad quality, what's the diff? on Thu Jul 06, 2017 3:43 pm

duck

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@Point-Seven-five wrote:For what it's worth I have been running Volar Kevlar/organic pads from D2Moto(an eBay seller) on my three bricks for a total of over 40,000 miles with no problems. One set now has just over 25,000 on them and will be changed this fall. My bikes are used a lot on expressways for commuting and long distance touring.

Only issue is that they need anti-squeal on the back to quiet them down on low speed stops. Otherwise, I am very happy with them.

Every rear brake I've ever done has needed anti-squeal on the pads. I think it's a caliper issue, not a pad issue.

And for those who don't know, brake squeal is caused by high frequency vibrations between the piston calipers and the backs of the pads.


__________________________________________________
Current stable:
86 Custom K100 (standard fairing, K75 Belly pan, Ceramic chromed engine covers, paralever)
K75 Frankenbrick (Paralever, K11 front end, hybrid ABS, K1100RS fairing, radial tires)
86 K75C Turbo w/ paralever
94 K1100RS
93 K1100LT (x2)
91 K1
93 K75S (K11 front end)
91 K75S
14 Yamaha WR250R
http://www.ClassicKBikes.com
    

7Back to top Go down    Re: Brake pad quality, what's the diff? on Thu Jul 06, 2017 3:54 pm

92KK 84WW Olaf

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@duck wrote:I've never had any issues running EBC organics on BMW OEM rotors.

If you get cheap pads then you have no idea how quickly they wear so it would be advisable to check their thickness fairly often.

I agree with that but it ended up being as easy to pull the pads out and clean up the calipers etc.

Pins seem to suffer with corrosion and if not smooth they stop the pads floating freely, pads ended up stuck at one point so they wore at an angle. Now I just clean the pins every few weeks and make sure its all doing as it should. I have spare pins soits very easy toswap them on the day and clean them in my own time.

I just use organic pads and they seem to work out fine.


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1992 K100LT 0193214 Alaska Blue 101,000 miles
1984 K100RT 0022575 Baja Red bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Mystic Red 58,645 now 69,000 miles
    

8Back to top Go down    Re: Brake pad quality, what's the diff? on Thu Jul 06, 2017 8:43 pm

RicK G

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@MartinW wrote:Rick what brand pads are you using, I have a set of new EBC fully floating discs that are waiting to be installed. I've chopped out two sets of Metal Gear discs one with a set of EBC organic, and the next set with a set recommended by Metal Gear their brand. I switched to SBS when they started to tramline. I emailed EBC when I bought the new discs and they said to run EBC organic. Before the two sets of Metal Gear I ran a set of EBC and they chopped out, the Ebc rep said they now make the discs out of hardened steel. Interested to see what other Ozzies run.
Regards Martin.
From what I recall they were EBC. I bought a set for both K75 and K1100 at the same time and the K75 are definitely EBC


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"Every normal man must be tempted, at times, to spit upon his hands, hoist the black flag, and begin slitting throats." from Mencken's 1919 Prejudices

Bikes 1993 K1100 LT, 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki X 2 & 1976 SR 500 Yamaha for now
    

9Back to top Go down    Re: Brake pad quality, what's the diff? on Fri Jul 07, 2017 12:37 am

Gaz

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Martin, I have always run EBC organic on my K75 and K1100 on the OEM disks and they seem OK.

I have very recently replaced the front disks on the K1100 (which were original and did 163,000km) with new EBC floating disks and the warranty for them required that I install new EBC pads with them, which I did. Still bedding them in so haven't hit them hard yet.

Cheers


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Gaz
95 K1100LT 0232224; 90 K75 6427509; 87 R80G/S PD 6292136
    

10Back to top Go down    Re: Brake pad quality, what's the diff? on Fri Jul 07, 2017 1:45 am

MartinW

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You've confirmed my thoughts I'll go with EBC organic when my current ones are shot.
Regards Martin.

    

11Back to top Go down    Re: Brake pad quality, what's the diff? on Fri Jul 07, 2017 3:38 am

JGT

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@RicK G wrote:Sintered pads will wear the disc and organic will wear the pads.

That explains the wear on my rear disc. And the advantage of sintered pads? John


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1987 K75s 1969 Bultaco Matador
    

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