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  • Offline audio2u

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    Suggestions for off-brand rear disk?
    on: Nov 21, 2017, 04.55 am
    Nov 21, 2017, 04.55 am
    Hi all,
    Yeah, I'm still on the Trophy.
    It's a kind of love-hate relationship these days.
    The missus wasn't happy about me selling it to buy an FJR, and I've just been retrenched from my position of 9 years.
    Anyway... not why I'm here.
    I've recently discovered that a scraping I was hearing was the piston of the rear brake assembly scraping against the disk rotor.
    I know what you're thinking.
    "Isn't there meant to be a brake pad in between the piston and the disk?"
    Ummm.... yeah, there is!
    But on this occasion, there wasn't. It had apparently worn away. First time on non-Triumph pads, and apparently they don't last as long.
    Anyway... said piston rubbing on said disk has caused a bit of a groove to be formed on the disk, so I'm looking at a new rear disk any day now. Don't fret... new pads HAVE now been installed, but I've been advised by the dealer that because of that groove, these pads may wear out pretty quickly indeed.
    Anyone got opinions on off-brand disks?
    What's good?
    What's to be avoided at all costs?
    Etc etc...
    Thanks in advance.
    My bike history: (1) c.1982 Honda CT125, (2) c.1986 Yamaha SRX250, (3) 1988 Honda CBR1000FH, (4) 1989 Suzuki GSX-R750 Slingshot, (5) 2012 Suzuki Boulevard M90, (6) 2013 Triumph Trophy SE.

  • Online Coconut   gb

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    Re: Suggestions for off-brand rear disk?
    Reply #1 on: Nov 21, 2017, 07.33 am
    Nov 21, 2017, 07.33 am
    Hi Audio2u,

    Good to hear from you again  :169:

    I cant advise on alternative Discs / Rotors, as I've never tried any,
    but surely it wasn't the actual calliper piston in contact with the Disc,
    but the metal of the Brake Pad - after the lining had worn away from it ?

    Cheers  :821:

    Last Edit: Mar 26, 2020, 12.45 pm by Coconut

  • Offline audio2u

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    Offline audio2u

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    Re: Suggestions for off-brand rear disk?
    Reply #2 on: Nov 21, 2017, 07.37 am
    Nov 21, 2017, 07.37 am
    Good question, coconut. The way the guy in the workshop described it, it sounded like he was referring to the actual piston, but I maybe I simply misunderstood him.
    My bike history: (1) c.1982 Honda CT125, (2) c.1986 Yamaha SRX250, (3) 1988 Honda CBR1000FH, (4) 1989 Suzuki GSX-R750 Slingshot, (5) 2012 Suzuki Boulevard M90, (6) 2013 Triumph Trophy SE.

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    Re: Suggestions for off-brand rear disk?
    Reply #3 on: Nov 21, 2017, 01.50 pm
    Nov 21, 2017, 01.50 pm
    Which after market pads were you using?  I just put EBC 214 HH sintered pads on the rear of mine and would like to know if I should keep a closer eye on them.  My rear pads were at 2.2mm so not at the minimum, but the rear wheel was off for a new tire so I thought it was the perfect time to do it.  EBC also has rotors, but I haven't checked the fitment to see which ones fit the Trophy.  I think another member on the forum has replaced the discs with EBC's.  A "brake disc" search may reveal some info.
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    Re: Suggestions for off-brand rear disk?
    Reply #4 on: Nov 21, 2017, 07.45 pm
    Nov 21, 2017, 07.45 pm
    Trophied,
    Yep, they were EBC sintered pads that I had installed at the 78,000 km service.... but that was on the front end.
    Presumably, the shop thought I had enough meat on the rear pads to make it to the next service... which obviously was not the case. Rears were still Nissin (?) pads.
    My bike history: (1) c.1982 Honda CT125, (2) c.1986 Yamaha SRX250, (3) 1988 Honda CBR1000FH, (4) 1989 Suzuki GSX-R750 Slingshot, (5) 2012 Suzuki Boulevard M90, (6) 2013 Triumph Trophy SE.

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    Re: Suggestions for off-brand rear disk?
    Reply #5 on: Nov 21, 2017, 10.16 pm
    Nov 21, 2017, 10.16 pm
    It occurs to me upon re-reading this thread that I got my story all messed up.
    Apologies for the confusion.
    At the last service, I had EBC pads put on the front, but we left the rear pads alone, so no, it was not EBC pads which had been worn through on the rear. It was in fact old (stock) pads.

    Other than looking for the correct diameter, what else do I need to know when shopping for a new rear disk? Presumably all manufacturers have their own standard for where they locate the mounting holes? It would be way too convenient if everyone followed the same convention, right?  :745:
    My bike history: (1) c.1982 Honda CT125, (2) c.1986 Yamaha SRX250, (3) 1988 Honda CBR1000FH, (4) 1989 Suzuki GSX-R750 Slingshot, (5) 2012 Suzuki Boulevard M90, (6) 2013 Triumph Trophy SE.

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    Re: Suggestions for off-brand rear disk?
    Reply #6 on: Nov 22, 2017, 01.29 am
    Nov 22, 2017, 01.29 am
    Bet it would be harder than finding Lassiter's gold to come up with 2 manufacturers using the same disc dimensions. :008:
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    Re: Suggestions for off-brand rear disk?
    Reply #7 on: Nov 22, 2017, 01.50 am
    Nov 22, 2017, 01.50 am
    *Originally Posted by trophied [+]
    Bet it would be harder than finding Lassiter's gold to come up with 2 manufacturers using the same disc dimensions. :008:

    Nice Aussie reference there!
    For a Yank, that shows an impressive knowledge outside of your own borders! :001:
    My bike history: (1) c.1982 Honda CT125, (2) c.1986 Yamaha SRX250, (3) 1988 Honda CBR1000FH, (4) 1989 Suzuki GSX-R750 Slingshot, (5) 2012 Suzuki Boulevard M90, (6) 2013 Triumph Trophy SE.