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  1. defjack

    I own this bike, will it make a good donor?

       If you want to know how If you want to know how high your seat will be measure top tube 20 in from seat tube. If its more than 28 in to ground at that point the seat will be way too high. My silvio is around 23 and Quest 22. Jack
  2. defjack

    I own this bike, will it make a good donor?

      You might be able to get it You might be able to get it to work.One problem is top tube is pretty steep. Kit seat base is 12 inches and it needs to be around 6-8 inches from seatpost. Front of seat will be around 20 inches from seat post for highth also seat base should be fairly level with...
  3. defjack

    Can I convert this Columba bike (which I own)?

      You have to take seat off You have to take seat off easy with 1 screw and QR on seat post.
  4. defjack

    Can I convert this Columba bike (which I own)?

      Heres how I did my Downtube Heres how I did my Downtube I Cut the seat bracket but you might not have to as the Downtube was a small frame.I think your conversion would be just fine if it is the RJ26A as the top tube is pretty flat. Jack
  5. defjack

    Chainstay extension 100mm

      John my x seam is around John my x seam is around 41in so most of my set up measurments should work on yours.Let me know and I will post them. Jack
  6. defjack

    Chainstay extension 100mm

       Got the Silvio with stem Got the Silvio with stem extension set up. The bottom bracket was raised 5in and bars lowered 4in. so I ended up reversing the bars and spent lots of time playing around with the boom. Now I like it just fine seems to climb better also really feels like a...
  7. defjack

    24" donor

      Heres how I set up a 20in Heres how I set up a 20in Downtube. First remove seat post and loosen the seat screws so you can bend back seat easly.Then check and see how long a seat post you need to get the seat around 45 degrees. I have never needed to bend a seat post yet. Jack
  8. defjack

    Rotor Q-Rings on Silvio

     Heres how my Silvio is setup Heres how my Silvio is setup 153 cranks ,52,40 and 30 Q rings.Works ok for me. Plus 100 mm chain stay extension. Works great for me. Jack
  9. defjack

    Donnor Bikes

       -Small frames are the -Small frames are the lowest. I have used both 14 and 16 in. and they worked ok. Jack
  10. defjack

    Chainstay extension 100mm

        Bags are Radical design Bags are Radical design solo racer wide.John I will make sure stay is straight. Jack
  11. defjack

    Chainstay extension 100mm

     I wanted to see how the I wanted to see how the higher bottom bracket worked on my Silvio. Have to do some long rides now for a real test. Jack
  12. defjack

    no brouser for pictures anymore?

      Thanks found it. Jack Thanks found it. Jack
  13. defjack

    no brouser for pictures anymore?

    Why cant I post images with the browser function anymore? Jack
  14. defjack

    Conversion on a Regular Mountain Bike Frame

       Best bet is buy a Vk2 Best bet is buy a Vk2 frame and you can use all the good stuff of your other bikes. Jack
  15. defjack

    cargo bag

      Ok heres what I did.  I cut Ok heres what I did. I cut come pcv tube to shim the seat post at bottom of mount to straighten it up some.Then wrap it with inner tube. If you do it right rack wont slip.Iuse the panners for short hops to store and leave trunk rack on all the time. Jack
  16. defjack

    cargo bag

      I used a fanny pack but it I used a fanny pack but it didnt hold much.Seatpost rack with panner bags and trunk bag is better. Jack
  17. defjack

    Trek Y3: will it work?

     Heres my Trek Y 2. I would Heres my Trek Y 2. I would measure the top tube it should be around 23-25 in. max. My bike was a small frame it was around 2in. Jack
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