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Twins Technical Talk Technical Talk for Hinckley Triumph Twins: Bonneville, T100, Speedmaster, America, Thruxton, and Scrambler.

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Old 03-14-2012, 12:31 AM   #1 (permalink)
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discs for mag wheels

Has anybody found replacement floating discs for the mag wheel Bonneville SE? Lots of upgrades available for the spoke wheel Bonnevilles, but can't find anything for the SE.
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Old 03-15-2012, 01:39 PM   #2 (permalink)
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I thought I'd bump this thread a bit.

I can't find any 310mm disc rotors for the mag wheel Bonnies but there was a thread where Retro-racer (Bella Corse) assures us that there is one available. No link given though.

Here's that thread, see post 6:

http://www.triumphrat.net/twins-tech...l-bonnies.html

I've had a look at Bella Corse's site but I can't see one there, just this 6 hole one for the wire-wheel bikes, we need a 5-hole rotor:

http://www.bellacorse.com/bcc109.htm

On British Customs site there was hope as they list their EBC Pro-lite rotor as suitable for the Mag wheel SE, but above the list there's a **Does Not Fit Mag Wheel Bonneville** ??

http://www.british-customs.com/trium...left-side.html

Last edited by Forchetto; 03-15-2012 at 01:46 PM.
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Old 03-15-2012, 03:12 PM   #3 (permalink)
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I ordered an EBC floating front rotor for my 09 Mag Wheel Bonnie A1, only to find that it was not the correct part. According to Matt at British Customs, their website had the wrong part listed. They are taking the wrong one back and have advised me "The correct rotor you need from EBC is an MD821X". I've ordered one via Amazon and have a few week wait. I'll report my findings.
I'd imagine that a Mag Wheeled Bonnie be it SE or A1 should be the same.
-Sparky

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Old 03-15-2012, 03:21 PM   #4 (permalink)
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Quote:
Originally Posted by Sparky View Post
I ordered an EBC floating front rotor for my 09 Mag Wheel Bonnie A1, only to find that it was not the correct part. According to Matt at British Customs, their website had the wrong part listed. They are taking the wrong one back and have advised me "The correct rotor you need from EBC is an MD821X". I've ordered one via Amazon and have a few week wait. I'll report my findings.
I'd imagine that a Mag Wheeled Bonnie be it SE or A1 should be the same.
-Sparky

Thanks Sparky. I've looked in the EBC catalogue and they do say the MD821X is a floating disc conversion for the cast wheel models.

I hope the one shown on this sellers site is not an actual photo of it though, they show a 6-hole unit and we need a 5-hole one:

http://www.biker-discount.co.uk/md82...tuv-3860-p.asp




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Old 03-15-2012, 03:23 PM   #5 (permalink)
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Quote:
Originally Posted by Sparky View Post

They are taking the wrong one back and have advised me "The correct rotor you need from EBC is an MD821X".

I confirm MD821X is the correct EBC floating rotor for mag wheel bonneville. Checkout this EBC distributor for example:

http://www.brakes4u.co.uk/supersearc...ll+Models&pg=1

And, it is the one I have on mine.
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Old 03-15-2012, 03:36 PM   #6 (permalink)
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Quote:
Originally Posted by wainer.vandelli View Post
I confirm MD821X is the correct EBC floating rotor for mag wheel bonneville. Checkout this EBC distributor for example:

http://www.brakes4u.co.uk/supersearc...ll+Models&pg=1

And, it is the one I have on mine.
Thank you. Coincidentally I've just been to a French site that sells that rotor and they have a list of other bikes it fits:

http://www.mpetrading.com/cata.php?act=prod&v=25020760

DISQUE AVANT POUR:

KLE 650 A7F/A8F/B8F/B9F Versys 07-09
ER-6F (EX 650 A6F/A7F/A8F) 06-08
ER-6F (EX 650 C9F) 09
ER-6N (ER 650 A6F/A7F/A8F) 06-08
ER-6N (ER 650 C9F) 09
Z 750 (ZR 750 L7F/L8F/L9F) 07-09

If you now do a search for alternative disc rotor for the Z750, for example, you have a very wide offer of really fancy discs.

I assume they also fit the cast wheel Bonnie, since they should be the same as EBC's MD821X.

Do a search for "z750 disc rotors" and lots come up.
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Old 03-15-2012, 03:39 PM   #7 (permalink)
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Thanks Wainer. How does it compare to the stock rotor? Did you use EBCs sintered pads as well?
Forchetto, as I've stated, I'll post my findings once installed and run about a bit.
-Sparky
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Old 03-15-2012, 05:05 PM   #8 (permalink)
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Quote:
Originally Posted by Forchetto View Post
Thank you. Coincidentally I've just been to a French site that sells that rotor and they have a list of other bikes it fits:

http://www.mpetrading.com/cata.php?act=prod&v=25020760

DISQUE AVANT POUR:

KLE 650 A7F/A8F/B8F/B9F Versys 07-09
ER-6F (EX 650 A6F/A7F/A8F) 06-08
ER-6F (EX 650 C9F) 09
ER-6N (ER 650 A6F/A7F/A8F) 06-08
ER-6N (ER 650 C9F) 09
Z 750 (ZR 750 L7F/L8F/L9F) 07-09

If you now do a search for alternative disc rotor for the Z750, for example, you have a very wide offer of really fancy discs.

I assume they also fit the cast wheel Bonnie, since they should be the same as EBC's MD821X.

Do a search for "z750 disc rotors" and lots come up.
If one is into fancy rotors, here is an alternative one:

http://www.cafetwin.com/index.php?ma...roducts_id=797


Quote:
Originally Posted by Sparky View Post
Thanks Wainer. How does it compare to the stock rotor? Did you use EBCs sintered pads as well?
Forchetto, as I've stated, I'll post my findings once installed and run about a bit.
-Sparky
I use EBC sintered pads since the rotor installation. In fact EBC suggests to replace rotor and pads at the same time, to allow for a proper break-in of the rotor itself. Make sense ... in particular since they sell both. Jokes a part, I don't have the technical competencies to really comment on this: anyway my pads were wore out at the time so I followed the suggestion.

Concerning the comparison with the stock rotor, I have to say my memories are fading out: I replaced the rotor more than year ago. I do remember a quicker and stronger response to the brake lever, which is still easy to control and modulate. I'm definitively happy with the rotor, but I'm not a peg scraper.

Wainer
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Old 03-15-2012, 06:03 PM   #9 (permalink)
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Doi... need to add that option to my site. This is why so many call in their orders.

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Old 05-11-2012, 04:33 PM   #10 (permalink)
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This is it. I got it today for my SE





Front rotor for mag wheel or cast wheel bonneville from EBC is model MD821X, right.

Marc
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