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Thread: 06 SMC Dirt Wheels? You know it!

  1. #1
    Join Date
    Sep 2006
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    Allen, TX
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    Default 06 SMC Dirt Wheels? You know it!

    I've been pondering this issue for months.

    At first I thought I had hit a brick wall.

    But then one day surfing flea-bay... it hit me. There in front of me was the part that would bring it all together. A 300mm KTM brake disc. OMG! I thought they were all 260 or 320. I had asked around and no one knew of such an animal.

    So after buying back all the parts I had sourced the first time...

    I have "dry" fitted the wheel and caliper assy. Easy as pie! All the parts work and line up perfectly! WAHOOOOO!!!!!!

    Here it is:




    I'm choosing what I believe is the easiest cleanest route. Only one special part needed and no machining or grinding stock parts! My set-up will have a seperate caliper/hose/master/switch set-up that I swap when changing wheels. This way, I take advantage of the "softer" brake feel of a two pot caliper and the smaller/lighter disc, and a matching master.

    Here is what this method takes for the front wheel:

    A late 90's Adventure 300mm brake disc (used) 45.00
    A Ducati Caliper (Monster 620/Sport 1000/Paul Smart) 45.00
    A Master from any 2-pot KTM including the brake line 100.00
    Brake switch if doesn't come with the above master 30.00
    6"x6" piece of aluminum plate (5mm thick) 10.00
    Total: 230.00

    The brembo caliper and Adventure disc bolt right up. You just need to make a spacer out of aluminum plate. I copied the stock 10mm thick one (actually Gethro down under did it for me). As an alternative, you could just make thick "washers". 5mm isn't enough offset to really worry about shear loading your disc bolts (Inset legal disclaimer BS here). The 5mm spacer(s) go behind the disc in the same place as the stock spacer on the 17"er.

    I'm stoked! Finally a clean way to do this!

    Hope you guys find this as great as I do.....

  2. #2
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    Sep 2006
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    Allen, TX
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    Default

    I fitted everything up and went for a ride last weekend. Everthing works great.

    I did notice that the Ducati caliper and the KTM caliper off the dirt bikes are identical except for the hanger/bracket. I suppose you could source just the bracket but it would likely be more expensive than a complete used caliper.

    Also, the brake light switch was 61.00 with shipping. Ouch. If you are gonna go this route, when you source your parts, get a master with the switch already on it. The one I got from Munn's plugs right into the factory harness just like the stock one.

    The front brake line could stand to be longer. I have found that the dirt bike version is shorter than the street legal version. So if you get the master with the brake switch and hose/caliper as an assempbly, you should also be getting the longer hose. The shorter one woks fine, but is a little tight across the instrument panel.

  3. #3
    Join Date
    Apr 2006
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    SD
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    Default

    I saw what you did on ktmtalk but since nobody has said anything...

    THATS AWESOME BUD GO RIP IT UP!!!

  4. #4
    Join Date
    Mar 2006
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    Long Island, NY
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    Default

    Awesome, but that's still a whole lot a brake for the dirt.

  5. #5
    Join Date
    Nov 2005
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    Default

    all ya have to do is mate it up with a low flowing master 11mm or smaller if possible
    and it should be alright
    good grab but not to much
    Great job

  6. #6
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    Default

    Quote Originally Posted by Blome
    Awesome, but that's still a whole lot a brake for the dirt.
    Naw, It really isn't. The brake master is off a 525 (10mm). And the disc is only 300mm, which is about 1" more in leverage (+2" dia) to the 525's 260mm disc.

    But the real kicker is weight. The 625 is something like 75lbs(?) heavier. So the brakes are actually just about right. I think I still have a pinch of air to bleed, but it works pretty well.

    Same set-up on the late 90's Adventure I think. Or did they use a dual disc?

  7. #7
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    Sep 2006
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    Default Brembo Supplier

    A local bike shop gave me the name of the Brembo importer. You can order what ever you need directly from them.

    Ducati wanted 400 bucks for the caliper new. These guys wanted 182.00. Prolly a good resource for any Brembo parts ya need. I forgot to ask what a radial master cyl would cost.

    TAW concepts in Colo: 888-235-0910

  8. #8
    Join Date
    Sep 2006
    Location
    Allen, TX
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    Default Ride Report

    WOW!

    With the dirt set-up this bike is a totally different animal! And it's taller than fark!

    The dirt set-up raises the bike about an 1-1/2". And the front (with my tire choices) raises about 5/8" more than the rear.

    You can REALLY feel the difference in rake/trail/21" right away. I've only had a chance to ride pavement, but you can immediatly tell this thing wants DIRT! The set-up has you climbing right up on the tank. The front end makes you feel like you want to spin the rear tire out to the side. I'm gonna have a dirt oportunity this weekend.

    I'll report more then!

  9. #9
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    Default

    I've been getting quite a few questions about this set up from the various sites it's posted. So I thought I'd share some parts sources to make things easier.

    Look for the caliper on:

    http://www.ducatimonster.org/

    or:
    http://www.ducati.ms/forums/index.php

    Look for the KTM parts here:
    http://ktmtalk.com/

    or:
    http://www.advrider.com/

    And if all else fails... don't forget fleabay.

    I have been riding with this set-up alot. Infact, I hardly ever run my SM set-up, just because the whole dirt world is "new to me" again after riding street bikes only for 30yrs.

    I have on occasion had to grab a whole lotta front brake. And the set-up works great. On dirt it will lock up the front wheel. I haven't had the need or desire to try locking it up on pavement, but since i'm running a knobbie, I'm sure it wouldn't be a problem.

  10. #10
    Join Date
    Nov 2006
    Location
    Nor Cal
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    Default

    hell yeah! Makes me want to run your sweet set up on the front and chuck a paddle and massive sprocket on the rear. Nice work!
    SM USA #322.
    2013 Rider Rep / New Racer Mentor
    www.supermotousa.com

    Lagunitas Brewery. Beer speaks, people mumble. / Bell Helmets.

  11. #11
    Join Date
    Sep 2005
    Location
    Round Rock, TX
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    Default

    nice work pazzoduc. do you have any pics showing the whole bike? i'm curious to see what it looks like. i own an '05 smc625 btw.

  12. #12
    Join Date
    Sep 2006
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    Allen, TX
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    Default

    It's not so clean anymore. And now it has damper and GPS set-up. Mostly I run the center set-up.

    http://supermotojunkie.com/showthread.php?t=36277

    Cheers.

  13. #13
    Join Date
    Oct 2006
    Posts
    138

    Default

    Quote Originally Posted by pazzoduc View Post
    A local bike shop gave me the name of the Brembo importer. You can order what ever you need directly from them.

    Ducati wanted 400 bucks for the caliper new. These guys wanted 182.00. Prolly a good resource for any Brembo parts ya need. I forgot to ask what a radial master cyl would cost.

    TAW concepts in Colo: 888-235-0910
    I get all my Brembo stuff from Fred Renz @ www.yoyodyneti.com . He has a good web site with some supermoto stuff added, lots of Brembo OEM spares, and Fred is the man too talk about Brembo parts. He REALLY!!! knows his stuff.

  14. #14
    Join Date
    Apr 2008
    Location
    Western MA
    Posts
    239
    Items for Sale

    Default

    wow, good stuff!
    '07 Kymco Grand Vista 250
    '06 KTM 950 Supermoto

  15. #15
    Join Date
    Apr 2012
    Location
    Mill Creek, Wa
    Posts
    104

    Default

    bump. anyone know where i can get my hands on a monster caliper for less than new? ebay is being a dick about it.

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