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  1. #1
    PMK
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    Clean Sheet...What would you build / want built

    Forum has been dead lately. So within reasonable costs, how would you design and or build your ultimate off-road tandem.

    Get as wild and crazy or conservative as you like.

    Yes I stole this topic idea from the bikeforums.net tandem section.

    Obviously some will post a photo of their current ride to fulfill their post, that's ok but kind of lackluster.

    PK
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  2. #2
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    Great timing on this post. I am in the process of completing this list myself but still have a few details to work out. I'll post up when complete.

    Thx for posting this thread PMK! Interested to see the builds, maybe I will get some ideas...

  3. #3
    Old school BMXer
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    As you recall, I took "building your own tandem" to the next level by building my own tandem frame. While there were a couple mild glitches in the build I've been thinking about building another frame. Since we just delivered twins a couple days ago, I'm thinking of building a 4-seater tandem. Sure, I have a few years until it needs to be finished, but it wouldn't hurt to get started now...or at least while I can, since I'm not going to have a lot of time on my hands.

    There is a local family who rides a 4-seater road tandem, but I think an offroad version may be fun for some of the local fire roads. The question though, is should it be a 26er? 29er? 36er?

    While preparing for the 4-seater, I've thought of making a kids tandem like some that have been posted here. While it may seem less expensive to be able to build your own frames, it really is more expensive, because it causes me to build more bikes! hmm...anyone ever seen a tandem balance bike?
    May the air be filled with tires!

  4. #4
    PMK
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    Quote Originally Posted by Blaster1200 View Post
    As you recall, I took "building your own tandem" to the next level by building my own tandem frame. While there were a couple mild glitches in the build I've been thinking about building another frame. Since we just delivered twins a couple days ago, I'm thinking of building a 4-seater tandem. Sure, I have a few years until it needs to be finished, but it wouldn't hurt to get started now...or at least while I can, since I'm not going to have a lot of time on my hands.

    There is a local family who rides a 4-seater road tandem, but I think an offroad version may be fun for some of the local fire roads. The question though, is should it be a 26er? 29er? 36er?

    While preparing for the 4-seater, I've thought of making a kids tandem like some that have been posted here. While it may seem less expensive to be able to build your own frames, it really is more expensive, because it causes me to build more bikes! hmm...anyone ever seen a tandem balance bike?
    Congratulations.

    Not sure about an off-road quad, but why not.

    We currently have a Strider balance bike here for our granddaughter. As for a tandem balance bike...stock up on band aids for a little while.

    PK
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  5. #5
    Old school BMXer
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    Of course, I'm kidding about the tandem balance bike - that would be like watching a train wreck! Well...mostly kidding! Getting two kids on the same page to do that would likely be like herding cats.

    But a 4-seater offroad tandem would surely be a test of planning turns!

    I'll surely need to get better at my TIG welding before I start such a project, because if I were to fillet-braze a 4-seater, I better start now!
    May the air be filled with tires!

  6. #6
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    A full suspension fatbike tandem. Full 10spd XTR. S&S couplers. Independent coasting. Titanium.

  7. #7
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    Twenty-niner full suspension with a 36mm fork- wait, I am dreaming here, is this supposed to be reality based?

  8. #8
    PMK
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    Quote Originally Posted by Schmucker View Post
    A full suspension fatbike tandem. Full 10spd XTR. S&S couplers. Independent coasting. Titanium.
    I'm envisioning a Pugsley style fat bike?.

    PK
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  9. #9
    PMK
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    Quote Originally Posted by ds2199 View Post
    Twenty-niner full suspension with a 36mm fork- wait, I am dreaming here, is this supposed to be reality based?
    Dream bigger...that is an easy order to fill.

    PK
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  10. #10
    PMK
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    One dream bike that comes to mind for me...

    An American built Cannondale frame, 26" wheeled. Top tube, downtube and diagonal all join at headtube for added lateral stiffness, Single pivot with a Super V Active style rear suspension. Asymmetrical swingarm, Cane Creek rear damper, 130mm travel. Headtube would be 1,5, with Cane Creek adjustable headset. Fox 40 fork, modified to 130mm and built with high preload, proper rate springs.

    Big 220mm front disc, 190mm rear disc, probably Avid or Hopes. DT 440 hubs. Velocity rims, DT spokes.

    All right side drive that works with a 2x10 XX with twist shifters. Thomson seatposts and stems (custom stoker).

    Carbon Fibre glideplate on bottom tube, frame would be beefed up and have built in fastener points for the glide plate.

    40 pounds ready to ride.

    PK
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  11. #11
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    Quote Originally Posted by PMK View Post
    I'm envisioning a Pugsley style fat bike?.

    PK
    You haven't seen this?
    Sandman Outback tandem

  12. #12
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    Cool thread, PK.


    Titanium or ti/carbon bi-lam softtail; minimal travel, with lockout. Braze ons for racks and BOB trailer
    650b rear, 29er front
    4-5" of fork travel, 20mm TA
    Belt drive/Rohloff, no grip shift
    Stoker bar connects to frame, not post
    30.9mm seat tubes, drop posts on both, 5" minimum
    Narrower version of Point1 Podium pedal rear, standard in front

    That should do

  13. #13
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    A little motor on the boom tube for when my stoker can't be bothered to pedal...

  14. #14
    PMK
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    Quote Originally Posted by phill77 View Post
    A little motor on the boom tube for when my stoker can't be bothered to pedal...
    That's easy...two options, spend money and install the motor, or spend money and tell the stoker you'll take her shopping after the ride.

    PK
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  15. #15
    PMK
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    Quote Originally Posted by Schmucker View Post
    You haven't seen this?
    Sandman Outback tandem

    Yes I have seen that topic. Very cool bike. One trail here would be the great on that machine. Riders are known to buy a Pugsley solely for that trail.

    That bike is hardtail and not a sweet as your dream ride, your dream bike sounds nicer than the one you linked to.

    PK
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  16. #16
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    A FS Sandman would be very intriguing, and falling under the guise of "clean sheet" builds. I spent a serious few minutes looking at that, thinking how I could justify it, just because of how it looks. I don't frequent snow (and if we did with that, would need to take the Toyota Tacoma instead of my AWD Subaru - a choice I never want to have to make), but we do have lots of coastline. I can get pretty far at low tide, at least until I get to Malibu.

  17. #17
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    I already built mine, although technically I did'nt build the frame. I built up a Ventana El Testigo and pretty much put all top shelf parts on it.
    Im planning on putting a Fox 40 fork and SRAM 3x10, instead of the RockShox Boxxer and the SRAM XO 2x9.

  18. #18
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    Quote Originally Posted by Hurricane Jeff View Post
    I already built mine, although technically I did'nt build the frame. I built up a Ventana El Testigo and pretty much put all top shelf parts on it.
    Im planning on putting a Fox 40 fork and SRAM 3x10, instead of the RockShox Boxxer and the SRAM XO 2x9.

    You should enjoy the Fox 40, ours has worked well for us on the ECDM.

    Jeff, this is a dream it topic...the "already built mine is what most of the roadies say...you can do better...please give it a shot.

    PK
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  19. #19
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    The El Testigo will be my dream bike with the Fox 40 and the SRAM 10 speed though.

  20. #20
    PMK
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    Quote Originally Posted by Hurricane Jeff View Post
    The El Testigo will be my dream bike with the Fox 40 and the SRAM 10 speed though.
    Would it be more cool with huge brakes (larger than 203's in the front and every bolt worthy of replacing made from Titanium or Aluminum...

    Which 40 do you plan to get? A kashima 2012 with the new seals?

    Yes I am taunting you, you do have a nice tandem, enjoy it.

    PK
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  21. #21
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    Quote Originally Posted by ds2199 View Post
    Twenty-niner full suspension with a 36mm fork- wait, I am dreaming here, is this supposed to be reality based?
    So step one in the process has begun. Frame on order.

  22. #22
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    What about this fork? Since it is still a dream yet to be real? We are kicking around thoughts of a 29'er ECDM, and why not this fork?
    Maverick DUC 36.
    I'm a new poster, so can't post the link yet. Newer version of the DUC-32.

  23. #23
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    To be honest, other than blinging it up a bit with DI2 gears, Ti bolts and other exotica, my ECDM is exactly what I want.

    With enough money I could do all that now, but at the moment only in fantasy tandem land can i have:
    - full carbon frame to shed a bit of weight, and in a funky shape to give better ground clearance to the boom tube
    - some sort of sprung loaded EBB ( I know it isn't really neccessary, just think it would be neat)
    - a way to measure and log the torque through all the cranks and to the rear wheel (i'd love to know why we are slower than single bikes sometimes)
    - a way to turn it into a half bike, so when we are away from home I can go off on my own whilst my wife is in bed

  24. #24
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    Quote Originally Posted by Rorschach1 View Post
    What about this fork? Since it is still a dream yet to be real? We are kicking around thoughts of a 29'er ECDM, and why not this fork?
    Maverick DUC 36.
    I'm a new poster, so can't post the link yet. Newer version of the DUC-32.
    Yes, that fork would go quite nicely on that dream 29er tandem. It is in the "dream" category as it seems to be forever delayed for actual release date.

    I will say that I have seen one and it's pretty sweet!

  25. #25
    Zipper
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    Great Question...
    As crazy as it might sound I would love to have Canefield build a tandem based on the Secret Weapon that Josh Bender is known to huck off many large drops with 10 inches of travel in the rear(2neg/8pos). then mount a nice old school 12 inch fork up front. I am thinking of a full on DH tandem that with proper C/S weight and training could be hucked off any drop and roll any trail out there.
    Zipper aka Rob

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