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  1. Doug Burton

    This may be a dumb question, but...

    If you're a bit handy with tools... ... you can make a disc caliper adapter for your Sofrider rear wheel. I put a drawing here: http://www.cruzbike.com/SofriderV2-DiscBrakeMount.pdf http://s153.photobucket.com/user/db1488/media/V2K-29er-02.jpg.html?sort=3&o=81 I designed...
  2. Doug Burton

    new blog about new Silvio

    So, with all this talk of alternate wheels, I hear the questions The fork is designed for road bike OLD (over locknut distance). That's 130mm. Most disc hubs are built to the MTB OLD standard. That's 135mm. Road-spaced disc hubs aren't all that common yet, so I know there'll be...
  3. Doug Burton

    Silvio AIr Shock to retain pressure

    Please have a read: http://www.cruzbike.com/KindShockPumpOperation.pdf
  4. Doug Burton

    Silvio AIr Shock to retain pressure

    A little more info... This is a Schrader valve core: The red gasket is the valve operating seal. The air pressure in the fork actually helps this gasket to seal. These usually only leak badly if they get road dirt in them. Some loss of pressure over time is unavoidable, just as...
  5. Doug Burton

    Silvio AIr Shock to retain pressure

    The fork uses a Schrader valve... ... just like car tires and many bike tire inner tubes. Most of us air-up tires before every ride. A similar argument could be made for the Silvio fork. If the valve is dirty, or not screwed into the valve body all the way, it'll leak down pretty...
  6. Doug Burton

    The Virtue of A Compact on a Silvio!

    Glad the bike is working for you. My first conversion bike told me we were onto something when I found I was climbing all my typical hills one entire chainring up from where I was climbing them with my old Vision R40. Were you (we) able to resolve all the concerns we were working on...
  7. Doug Burton

    Convert the ering & hub from Quest to Sofrider

    The Sofrider cassette... ... is 8-speed. You'll need a 9 speed cassette. Shimano or SRAM will work. Lots of choices out there for relatively little money on 9-speed cassettes.
  8. Doug Burton

    Convert the ering & hub from Quest to Sofrider

    Derailleur and shifter compatibility The SRAM shifter won't shift your original derailleur properly (assuming you have the microshift rear derailleur). The cable pull ratios are different. However, you don't need the DualDrive rear derailleur, which is actually a SRAM X-5 with differnt...
  9. Doug Burton

    Convert the ering & hub from Quest to Sofrider

    It will be expensive, but is partially possible We don't stock extra parts for resale in these categories because our minimum order quantity is 100 on these parts. I built the prototype Quest V2.0 on a V1.0 frame with parts I purchased at retail. I learned a few things. 1. The retail...
  10. Doug Burton

    Speedone FS Mini Velo Suspension Folding Frame Set 20"/406

    Very good frame I like this frame because it's the only one I've seen that puts the folding hinge in a place that will live happily with the seat mount. We supply an accessory short chainstay for Quest that should work with the kit in this application. Inquire at sales@cruzbike.com to see...
  11. Doug Burton

    Does the Silvio v1.5 Fit Short Riders?

    Actually... ...that would be an interesting project John - there are no 'bents for young folks, why not the best for the best?
  12. Doug Burton

    Silvio v1.5 Build Photos

    Oh... and another thing - We don't like to see bowed front chain stays. If you have adjusted the front end to fit you, and your carboyoke (chain stays) are bowed, please contact me. If the chainstays are bowed, they will be stressed in a direction for which they were not designed...
  13. Doug Burton

    Silvio v1.5 Build Photos

    I posted photos... in this thread: http://cruzbike.com/does-silvio-v1.5-fit-short-riders of modifications I did for a customer's Silvio, one of the first 1.5's we sold. This customer had an even shorter x-seam than in these discussions (32 inches, as I remember). She and I had a deal...
  14. Doug Burton

    Does the Silvio v1.5 Fit Short Riders?

    Photos Grind the relief in the chain stay dropout longer, towrad the pivot Relive the derailleur hanger to accept the end of the fork dropout. Shorten the upper front tube. The front triangle can now be made ridiculously short.
  15. Doug Burton

    Function of two holes in front of BB?

    Fairing mounting points... We provided those in the original design for mounting a fairing, as I remember. Fairing selection is a sticky subject becuase if the wrong shape is chosen, crosswinds and passing trucks can disturb steering input. No steps missed as far as I can tell...
  16. Doug Burton

    Tiara Pro donor bike - $40

    http://richmond.craigslist.org/bik/3507077385.html
  17. Doug Burton

    New gear option?

    I think the big issue... ... is that the frame section has to be built around the gearbox assembly. I suspect that these folks will want licensing/royalty rights around such things, and I suspect we won't be going there. It's unsuitable for the Silvio because belt drives load the...
  18. Doug Burton

    100 or mm chainstay entension

    What's your x-seam? Or use the C-Seam measurement, the distance between the seat bottom joint and the center of the BB axle. Set a yardstick to this distance, then raise the BB end of the yardstick vertically. This is the arc your BB will probably follow if you install the extension...
  19. Doug Burton

    Avalon donor

    The Avalon... ... has been delivered in two configurations; one has been successfully converted and the other cannot be because of its top tube configuration. The one that works has the top tube starting out roughly level at the seat post tube and rising to meet the head tube. The level...
  20. Doug Burton

    Instructions to set up?

    Yours is a V1.0... ... which is a little different from the V1.5 manual I sent you. The rear of the bike is the same, but the front end assembly has been changed. The V1.0 front boom is straight, and the front derailleur attachment is different. This model uses a pulley to manage the front...
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