My soon-to-be Roadster + Monza rig -- DIY?

Discussion in 'Hacks' started by TheOtherBart, Jun 23, 2016.

  1. TheOtherBart

    TheOtherBart Long timer

    Joined:
    Jan 16, 2006
    Oddometer:
    2,747
    Location:
    DeKalb County, Illinois
    I do wish mine had the adjustable clevises on all the links rather than the tubes in clamps. That would definitely make adjustments easier and more precise.
    #61
  2. TheOtherBart

    TheOtherBart Long timer

    Joined:
    Jan 16, 2006
    Oddometer:
    2,747
    Location:
    DeKalb County, Illinois
    I just ordered 0.92 kg/mm fork springs from Racetech (or at least I started the process of ordering them, it seems odd for a business like that to not have online payment in this day and age). Now I need to figure out something for shocks. The Racetech made-to-order shocks would run over $800, which is a lot more than what I want to spend on them at the moment. Does anyone know of a decent lower cost option for getting some more spring rate in the rear?
    #62
  3. JustKip

    JustKip Long timer

    Joined:
    Apr 28, 2007
    Oddometer:
    6,870
    Location:
    Fresno, CA
    http://www.hagonshocksusa.com/HagShocks.htm
    #63
    trumpet likes this.
  4. FLYING EYEBALL

    FLYING EYEBALL out of step

    Joined:
    Mar 18, 2008
    Oddometer:
    10,920
    Location:
    north of seattle
  5. TheOtherBart

    TheOtherBart Long timer

    Joined:
    Jan 16, 2006
    Oddometer:
    2,747
    Location:
    DeKalb County, Illinois
    Thanks gentlemen, I have emails in to Hagon and Progressive to see what they would recommend. Progressive only seems to come in regular and "heavy duty", and I'm not sure if heavy duty is heavy enough. Hagons appear to come in a variety of spring rates but I'm having a hard time telling for sure off of their website.
    #65
  6. FLYING EYEBALL

    FLYING EYEBALL out of step

    Joined:
    Mar 18, 2008
    Oddometer:
    10,920
    Location:
    north of seattle
    I'm a big dude and I'm running the heavy 412's (iirc) I went with a longer length as well.
    #66
  7. TheOtherBart

    TheOtherBart Long timer

    Joined:
    Jan 16, 2006
    Oddometer:
    2,747
    Location:
    DeKalb County, Illinois
    My cute little 10" scooter tire for the car was delivered today, so I'll get that mounted up shortly. That should mean that my wide handlebars are only a few days out, and I got an email today that the Racetech fork springs have shipped. Piece by piece...
    #67
  8. FR700

    FR700 Heckler ™©®

    Joined:
    May 4, 2007
    Oddometer:
    13,763
    Location:
    Your imagination.
    It'll ride like a Caddie...



    #68
    Bobmws, JustKip and TheOtherBart like this.
  9. TheOtherBart

    TheOtherBart Long timer

    Joined:
    Jan 16, 2006
    Oddometer:
    2,747
    Location:
    DeKalb County, Illinois
    I tore into it today to install the new fork springs and handlebars, but I wasn't able to finish. When I got the springs out I found that the new Race Tech springs are MUCH shorter than what was in there. I know that I'm supposed to put a spacer on top of the Race Tech springs, but even with the entire length of PVC that came with the springs (that's presumably supposed to be cut to length to make spacers for both sides) I still wouldn't have any preload. I'm not opposed to going and buying more PVC, but I don't want to continue with the assembly until I can confirm that it really does need really, really long spacers. Frustrating.
    #69
  10. TheOtherBart

    TheOtherBart Long timer

    Joined:
    Jan 16, 2006
    Oddometer:
    2,747
    Location:
    DeKalb County, Illinois
    Here's a picture of the springs side by side. 20170826_153028.jpg
    #70
  11. JustKip

    JustKip Long timer

    Joined:
    Apr 28, 2007
    Oddometer:
    6,870
    Location:
    Fresno, CA
    Don't seem right, Bro

    I know it's a completely different bike, but on my Bonneville, the Racetech replacement springs were only about 20% shorter, if that much.
    #71
  12. JustKip

    JustKip Long timer

    Joined:
    Apr 28, 2007
    Oddometer:
    6,870
    Location:
    Fresno, CA
    Oh, and zero preload for the Bonnie. That's how it came stock, so that's how I cut the new spacers. The caps fit on top of the forks without any pressure to start the threads. The only pressure on the springs was from screwing them in.
    #72
  13. TheOtherBart

    TheOtherBart Long timer

    Joined:
    Jan 16, 2006
    Oddometer:
    2,747
    Location:
    DeKalb County, Illinois
    Yep, I agree, it doesn't look right. According to the paperwork in the box this is what the online application guide calls for, and the springs do seem to match the part number (which indicates 30x272 mm). And I found a generic blurb on their website that talked about "why are our springs so short?". But still, I want someone to confirm that a super long spacer really is called for, which means I'm shut down until I can call them Monday.
    #73
  14. JustKip

    JustKip Long timer

    Joined:
    Apr 28, 2007
    Oddometer:
    6,870
    Location:
    Fresno, CA
    IIRC, mine had a stock spacer of about 5-6 inches and the aluminum (it came with PVC spacer) they gave me made a pair of about 8 inch spacers, with just a little bit left over. I'd buy a piece of PVC pipe and fit it and take a ride.
    #74
  15. High Octane

    High Octane Long timer

    Joined:
    May 31, 2013
    Oddometer:
    1,249
    Location:
    South Dakota
    Yeah my racetech springs only needed about a 2" spacer on my Triumph Trophy.
    #75
  16. JustKip

    JustKip Long timer

    Joined:
    Apr 28, 2007
    Oddometer:
    6,870
    Location:
    Fresno, CA
    And I just double-checked that. Looks legit to me. Different spring rates, but all the same length. That's how long they make them for your XL
    #76
  17. TheOtherBart

    TheOtherBart Long timer

    Joined:
    Jan 16, 2006
    Oddometer:
    2,747
    Location:
    DeKalb County, Illinois
    Interesting, mine didn't have a spacer at all when I pulled out the stock springs. I just did some measuring, the stock springs are 22.75" long, and the Race Techs are 10.75". The PVC spacer they sent is a hair over 12". So that spacer with one of the Race Tech springs would give me the same overall length as the stock spring. Maybe they only packed one spacer by mistake?

    And looking at the stock spring, a lot of those coils are wound really, really close together. There wouldn't be much travel there anyway, almost like having a built-in spacer...

    In other words, I'm working on talking myself into doing just as you suggest...
    #77
    trumpet, Bobmws and JustKip like this.
  18. FLYING EYEBALL

    FLYING EYEBALL out of step

    Joined:
    Mar 18, 2008
    Oddometer:
    10,920
    Location:
    north of seattle
    [​IMG]
    #78
    trumpet and JustKip like this.
  19. TheOtherBart

    TheOtherBart Long timer

    Joined:
    Jan 16, 2006
    Oddometer:
    2,747
    Location:
    DeKalb County, Illinois
    Can't argue with that, so they're installed now. I used 12oz of 20wt Bel-Ray fork oil, which put the level ~6" below the top of the tube. I found specs on the Race Tech website that called for 150mm, but since I left the forks in the bike I couldn't get a really precise measurement. I figure my tape measure and eyeball would be good enough. After all it's not a race bike.

    I also found a spec that recommended 23mm of preload. Again, without getting too precise, the fork caps extended about that far into the tubes when installed, so I cut the spacers to be flush with the top of the fork leg. That ended up being 10 1/8" or so of spacer.

    Since the forks were easier to deal with with the handlebars off I went ahead and installed a set of Flanders wide flat track bars while I was at it. All the cables and wires worked fine with the exception of the front brake line. It was just a little short, but I was able to make it work by unbolting the p-clamp at the top where it transitions from rubber to hard line. Now I just need to find a replacement clamp with a longer leg.

    I took it for a short test ride, and the difference is remarkable. I found myself swerving to hit potholes and frost heaves just so I could feel the front end float over them. And as predicted the wide bars make turning so much easier. This thing keeps getting to be more and more fun.

    The next step is going to be getting the new tire on the car. Hopefully I'll get that done this week.
    #79
  20. FLYING EYEBALL

    FLYING EYEBALL out of step

    Joined:
    Mar 18, 2008
    Oddometer:
    10,920
    Location:
    north of seattle
    great news!
    #80