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  1. #1
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    Calfee Rebuild Pics

    Rebuilt our tandem after refresh at Calfee this past winter, new eccentric, chainstay update for Gates drive, repair of a loose coupler, and a new paint job. Snapped a few pics while everything nice and clean!
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  2. #2
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    How di you happen to notice that the coupler was loose?

  3. #3
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    Quote Originally Posted by chichi View Post
    How di you happen to notice that the coupler was loose?
    Ummm, I didn't! They found the problem while frame was with them, something loose on the inside, required (titanium) welding and rewrapping. Not sure if they said they had never seen the problem before, but they definitely said it was unusual.

  4. #4
    Tandem Vincitur Ritterview's Avatar
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    How does it shift up front with the FSA chainrings?
    What shifters are you using?

  5. #5
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    Your frame must be a little older than mine, I could only get it with aluminum couplers. Interesting placement on the couplers, my front set is placed behind the captains seat tube. And guess what......it does not fit in a hard case!

  6. #6
    Senior Member
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    Quote Originally Posted by Ritterview View Post
    How does it shift up front with the FSA chainrings?
    What shifters are you using?
    Front shifting is good with the FSA chainrings, Pro Road, all three rings for $86 from Universal Cycles, which seemed like a good deal? Brifters are Campy Record 10 speed, and we run a Wipperman chain. Dropped the chain one time before and scratched the paint up, so put the K-Edge chain catcher on.

  7. #7
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    Quote Originally Posted by chichi View Post
    Your frame must be a little older than mine, I could only get it with aluminum couplers. Interesting placement on the couplers, my front set is placed behind the captains seat tube. And guess what......it does not fit in a hard case!
    Our tandem was built late summer/early fall '07, so almost four years old. We have hard cases too, S&S 26x26x11 (with ribs), and middle section is a very tight fit. We never discussed coupler placement with Calfee, but the frame is a 64/52, so I think the front section would have been too big for a case with conventional coupler placement. Downside of our arrangement is that you need an extra splitter for the rear brake cable. But I don't usually put splitters on unless I know we are taking a trip.

  8. #8
    Senior Member
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    Stoker stem/bars are kind of interesting too. Started with a Control-Tech stem and aluminum stoker bar (47cm) at 603 gm, now have an adjustable carbon stoker stem from Bob Davis with chopped and inverted Kestrel EMS Pro bars (46cm), can't find weight right now, but at least half a pound lighter than the original setup.

  9. #9
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    Bob built a stoker stem for us also, I am very impressed with his work. His attention to detail is second to none. I don't know that I would have appreciated the detail that went into the stem except that he had sent me a full set of blueprints to aprove before he started on the stem.

  10. #10
    Senior Member zonatandem's Avatar
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    Nice photos of Calfee re-do!

    We own one of Bob Davis' tandems.
    It was the first one he built after his prototype (which we had ridden).
    Our is full custom, including for in 2003, a few unusual features:
    Carbon fiber adjustable stoker stem (the first one).
    Custom center mount for stoker's bottle on the stem.
    C/f round stoker handrest
    A titanium glu-on for our mini garage door opener on stoker stem.
    A 63 1/2 inch wheelbase.
    Re-inforcing fillets.
    Under the boobtube double spare spoke carrier.
    C/f custom rear rack.
    Ti rear dropouts.
    A fully c/f lugged frame (with window cutouts).
    So far have 33,000+ (great/happy) miles on it.

    Bob is a great and very meticulous bicycle builder.

    Pedal on TWOgether!
    Rudy anbd Kay/zonatandem
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  11. #11
    Tandem Vincitur Ritterview's Avatar
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    Have you had problems with the saddle clamp slipping on the Captain's EC90 seatpost? That was a very nice, all-carbon setback seatpost, but Easton had to discontinue it due to the slipping saddles.

  12. #12
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    Quote Originally Posted by chichi View Post
    Your frame must be a little older than mine, I could only get it with aluminum couplers. Interesting placement on the couplers, my front set is placed behind the captains seat tube. And guess what......it does not fit in a hard case!
    We have to take the fork off and it still is a tight fit with the couplers in the position behind the captains seat post.

  13. #13
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    We have the following size, just a bit bigger at the front than a L-S. Couplers are behind the Captain's seatpost. Just fits in an S&S 26X26X10 case with the fork removed, but any longer TT would not. I asked Calfee to ship the bike to me in the S&S case to make sure it fitted.

    • HT = 21cm
    • Capt TT = 58.5cm NOT 57cm
    • Stoker TT = 72cm
    • Capt ST = 58cm
    • Stoker ST = 46cm
    • Capt Standover = 83.5cm
    • Stoker Standover = 75cm

  14. #14
    Senior Member
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    Quote Originally Posted by Ritterview View Post
    Have you had problems with the saddle clamp slipping on the Captain's EC90 seatpost? That was a very nice, all-carbon setback seatpost, but Easton had to discontinue it due to the slipping saddles.
    Noticed seat was back a bit, picture above shows this. Slid it back up and cranked tightening bolt down more than you are probably supposed to. No slippage after 40 miles today, but will keep an eye on it.

    Was this just a problem with the setback EC90? I have a couple of straight ones too and have never noticed a problem, I think those are also all carbon?

  15. #15
    Tandem Vincitur Ritterview's Avatar
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    Quote Originally Posted by mburchard View Post
    Was this just a problem with the setback EC90? I have a couple of straight ones too and have never noticed a problem, I think those are also all carbon?
    Yes, just the setback. Easton has a new setback EC90 now, at 195 grams vs. 186 g for the old EC90. On the old EC90, to keep it from slipping it is helpful to use carbon paste, and a torque wrench.


  16. #16
    Senior Member
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    Quote Originally Posted by Ritterview View Post
    On the old EC90, to keep it from slipping it is helpful to use carbon paste, and a torque wrench.
    Fair point. I have both, and will take it apart and put it back together again. I guess a carbon rail seat might also help, carbon to carbon with TACX is probably stickier than carbon to titanium.

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