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  1. Doug Burton

    Q 451 v2 assembly question

    Make sure the wheel is centered in the frame and the quick release is tight. Loosen the two bolts that hold the caliper to the caliper bracket (the ones that face down, not to the side.) Have some one squeeze the rear brake lever hard for you. Re-tighten the two bolts while the person is...
  2. Doug Burton

    T50 - whatcha planning to build.....

    Decided to go with a 1x11 setup. This is a Sunrace 11-50t 11 speed cassette. I'll use it with a 44t E-Ring from a Quest 2.0 Never thought I'd be using a cassette with a bigger diameter than my brake disc...20180202_173243 by Doug Burton posted Feb 3, 2018 at 12:07 AM
  3. 20180202_173243

    20180202_173243

  4. Doug Burton

    disc wheel for the drive wheel

    I did a LOT of research on disc brakes when we were contemplating them for the first version of the Quest. I built several Sofriders with front and rear disc brakes to look at the ins and outs. I designed a rear caliper adapter for the Sofrider swing arm, and designed it so the only tool you...
  5. Doug Burton

    Bikism Is For Real; starting over again

    Come on down! Just let me know ahead of time so that: A. I can make sure I'm in-country (my travel has picked up markedly again) and B. We can get in the garage without threat of bodily harm from stuff stacked all over the place.
  6. Doug Burton

    Bikism Is For Real; starting over again

    I have a special appreciation for bad-a$$ Grandpas. Hurt'em, Mark!
  7. Doug Burton

    Bikism Is For Real; starting over again

    Ahh, Mark, you and I will always be members of the "gray beard honor guard" around here. Always good to hear from you. My riding fell off steadily since about 2010, particularly around 2012 when I started doing the work of my life, which carried me overseas pretty constantly and lots of my...
  8. Doug Burton

    Q2 front shock rebuild?

    I found a bill of materials for the Quest while I was hunting around last night, also thinking it was made by Kind Shock, but the BOM lists the manufacturer as EVO. Couldn't turn anything up on them, Kind made the Silvio air forks. Kind has apparently left the fork business, at least at retail...
  9. Doug Burton

    Q2 front shock rebuild?

    Those are not for adjustment. They hold anti-rotation blocks, as I remember. They keep the "outer" steerer tube in alignment with the "inner" or fork-attached tube. Without them, the handlebars have no rotary connection with the wheel. They need to be tight, but if they're over-tight they can...
  10. Doug Burton

    Derailleur Suicide

    I had to modify some but the modifications were mostly to accommodate some voodoo required for very short people (I'm on the border of that category) to be able to fit the Silvio 1.0. With the adjustable top tube adjusted very short, the chain used to drag on the dropout and try to lock up. I...
  11. Doug Burton

    T50 seat advice needed

    The chainstay extensions where designed for the older Silvios, which use a different chainstay attachment (the cha1nstays are flat and don't rotate around the bottom bracket - they bend as part of the suspension - the CarboYoke system.) It would be hard to create a reliable bolt-on for the T50...
  12. Doug Burton

    Helmet for Casual, Everyday Riding: Yes or No?

    If I don't wear a helmet, my wife will beat me about the head and shoulders. At that point, I would be well served by a helmet. So just as well to wear a helmet anyway...
  13. Doug Burton

    SOLD - Sofrider - $225 - Mechanicsville, VA

    If you want to improve the way those bars work, I would suggest the following: The part that holds the bars is called a handlebar stem. This one is adjustable for angle. I developed some rules for handlebars on my old conversion bikes. Most of Cruzbike's "go-fast" bikes violate all those...
  14. Doug Burton

    SOLD - Sofrider - $225 - Mechanicsville, VA

    I have a pair of these in my Sofrider V2 custom that will transfer to my T50: https://www.amazon.com/Origin8-Space-Off-Road-II/dp/B0046VYHI0/ref=sr_1_230?s=sporting-goods&ie=UTF8&qid=1502663887&sr=1-230&keywords=handlebars&th=1&psc=1 They work well but are a bit pricey. I prefer wider bars on...
  15. Doug Burton

    T50 seat advice needed

    I have a T50 in progress now. I have a day job that I love very much, and it's seriously interfering with the other stuff I like to do right now. One of the things I'm doing is trying to work out a solution to the "steering column too tight" problem, as I don't want to put this together such...
  16. Doug Burton

    SOLD - Sofrider - $225 - Mechanicsville, VA

    After looking at those bars in the ad, I figured they might not be optimal. I'll have to look at my handlebar stash, but I can tell you that a LOT of work went into selecting the ones that were original to the Sofrider V2. I think your is a V1, which started out very early with bars that were a...
  17. Doug Burton

    T50 seat advice needed

    Okay. Up until November of 2014 I worked on and/or rode every Cruzbike that was made. I never had one that I couldn't make my hiney happy with. Seat padding is more tricky than most folks think. You need support, but you can't make the pad so deep that it causes pinching. You have a few tools...
  18. Doug Burton

    SOLD - Sofrider - $225 - Mechanicsville, VA

    Ah, I see you're in Culpeper . A little bit of a ride, but if you get the chance, bring your bike over with you. I worked with Cruzbike from August 2005 to November 2014, I got lots o' parts and a great deal of experience with the Sofrider, which is an excellent bike. We can go through your ride...
  19. Doug Burton

    SOLD - Sofrider - $225 - Mechanicsville, VA

    Are you near Richmond? I'm in Glen Allen. You should come and pay me a visit.
  20. Doug Burton

    Tandem, anyone?

    We have a Vision R82 tandem. I bought it in 2003 for my son and I to ride the MS150 on, which we did exactly once. He sat in the stoker seat and played his Gameboy. People would ride by and say "he's not pedaling!" To which I would reply, "Tell Me!" because the bike weighed 60 lbs. and he...
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