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  1. Doug Burton

    Sofrider frame and weight

    Hi Karl, I have read all sorts of amazing things about bike weight. The two differing weights you measured are typical of the measurement error you'll encounter when folks quote bike weight. Some weigh with pedals, some without . I've even seen where 2 bikes weigh the same, and one is...
  2. Doug Burton

    Which sofrider?

    Hi, The V2 Sofrider is offered with a 16 speed drivetrain. There may be some V1 8-speed Sofriders available. The V2 was improved in many ways, not just by adding a front derailleur and a double crankset. I don't know if you've seen this: http://www.cruzbike.com/SofriderV2-DougBurton.pdf or...
  3. Doug Burton

    New stem and seat recline

    Hi Trev, The bike looks great. Looking forward to more ride reports. I'm a little concerned about the fact that the post clamp isn't completely seated on the seat post (judging by the picture that shows the clamping section of the clamp at an agle to the post.) Shouldn't be a problem if it's...
  4. Doug Burton

    new 700c conversion

    Wow, I really like it! Very elegant-looking; the red fork is a nice visual touch. Gobs of suspension travel! Where'd you source the fork from? Looking forward to a ride report, keep us posted! Best, Doug
  5. Doug Burton

    best of breed Bike Repair Stand

    I have one of these, except they were yellow when I bought mine. It works very well for the Silvio, Sigma and Quest; it's a little tricky for the Sofrider and Freerider. I drilled a through-hole further down the center tube and relocated the clamp assembly about a foot farther down, so I can...
  6. Doug Burton

    The final finishing touch

    Hi CS, The Raleigh Trekking bar is very similar to what we use on the Sofrider and Quest, only a bit wider, which isn't a bad thing for conversion bikes. The rise is also a little shallower, which means you won't get quite and much knee relief, but it's close. I have a pair of bars very much...
  7. Doug Burton

    How wide is the front fork on a sofrider?

    The O.L.D. dimension is 135mm on the Sofrider/Freerider fork. I haven't encountered one that's oversize... perhaps you've got a 130mm hub? Dunno...
  8. Doug Burton

    Don't Shoot the Messenger

    Nah, no flaming... I see two issues. 1. The trike conversion kits for the rear wheels I've seen assume the rear dropout spacing is wider than 100mm (the Quest uses a front wheel in the rear swingarm). 2. I'm a bit concerned about stability. High seat plus forward weight distribution (for a...
  9. Doug Burton

    Mounting water bottle cages

    Use a 5mm button head cap screw inserted from the seat cushion side of the seat back and retain the cage with a nylock lock nut. The cap screw should be short, no longer than 12 mm, to avoid interference with the water bottle in the cage.
  10. Doug Burton

    Any Forbidden Compounds?

    Hello, Doc, Silvio parts are fairly normal stuff, just arranged differently. Keep solvents under control, as with any painted or composite surfaces. There's not much on the frame (well, nothing, really) that will benefit from lubrication or surface preparation. If you remove fasteners that...
  11. Doug Burton

    V 2.3 frame option for donor bike

    Hi Bill, Yes, the shock and a 1 1/8" headset are included. If you want to use a 1" threaded fork, you'll need a headset reducer set, as shown here: http://www.phattire.com/headredshim.html Plus a 1" threaded headset. I'll be building up a V2K frame shortly to document what's included and...
  12. Doug Burton

    First ride - New Sofrider

    Hi Ken, We love long posts. Always feel free to share your comments and questions, and criticisms too if you have them. The "brain trust" of our readers is here to help you and learn from your experience. I'd love to see a photo of how you have the bike set up and how you're positioned when...
  13. Doug Burton

    Fork question

    Hi Chris, The fork must be rotated 160 degrees to allow room for the cassette/freewheel when the adapter brackets are attached to mount the rear wheel on the front fork. This allows the rake and trail of the steering geometry to be returned to what it was on the original bike. Not turning the...
  14. Doug Burton

    Short cranks and high cadence feasible on Silvio?

    Hi John, and welcome! Our Sofrider and Freerider are shipped with 160mm cranks, and our newer designs use 155mm. Most Silvios use 170mm cranks because they're common for road component groups. We are developing a new record Silvio for Maria which we will use, in part, for crank length...
  15. Doug Burton

    building a bike around an older kit

    Hi KB, I've been watching this build with great interest. Looks like it will be a very fun ride. The French are going nuts over MBB; there are a lot of variations on the "Speculoos" design being built in steel, aluminum and carbon fiber. A Cruzbike kit can make these easier to build because...
  16. Doug Burton

    Great looking bike, a few questions please..

    Hi Bokes, The seat mount will accept an MTB clamp-on rack. The rear swing arm has braze-ons to accept a rack mounted on the swing arm; we have not worked out a front fastening for the swing arm rack (only because I haven't assembled a Quest yet.) The front triangle affords a standard 68mm...
  17. Doug Burton

    Ease of Steering - Sofrider Vs Freerider

    Hi Rome, The point of attachment really doesn't affect the steering geometry. No matter where the bars attach, the geometry is effectively the same if the relationship between the grip position and the steerer tube (steering axis) on the fork are no different. The Freerider has a wider grip...
  18. Doug Burton

    CRANK SET REPLACEMENT

    Hi Atul, Sorry to hear about your "ground sweeping." I am 51 and I can relate to your observations! It sounds like the 160mm/48/34 combination works for you and matches the accessories you have installed, perhaps it's best to stick with that setup. Here are two US sources for 160mm cranks for...
  19. Doug Burton

    Front Derailer and Cables

    Hi Jim, The tube diameter is 34.9mm at the derailleur mounting point. Re-using cables is a false economy unless you are just prototyping and intend to renew them later. Best, Doug
  20. Doug Burton

    necessary to have fork backwards?

    Hi There, Turning the fork around serves several purposes: 1. It moves the forlk legs back to allow room for the cassette while expanding the axle clearance from 100 to 135mm, 2. It restores the steering geometry's original rake/trail relationship, keeping the bike stable, 3. And as you...
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