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Tandem Cycling A bicycle built for two. Want to find out more about this wonderful world of tandems? Check out this forum to talk with other tandem enthusiasts. Captains and stokers welcome!

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Old 10-31-07, 02:46 PM   #1
colotandem 
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Dream Bike

Interested in your "opinions" for component reccomendations for building your dream road tandem.
Frame, wheelset, brifters, deraileurs, brakes & crankset (other details as you see fit).
Please include your team weight for context.
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Old 10-31-07, 07:41 PM   #2
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Got the dream bike a year ago -- stock Co-Motion Speedster to which we added Shimano Flight Deck, Thudbuster stoker seatpost, Topeak Road Morph pump and Arai drum brake. Building my dream bike? I leave that to the great folks in Eugene and my local dealer Rick Steele (shameless plug) in northern California. Others have other dreams....

Team weight? 310 plus gear plus bike. Team age? 108.
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Old 11-01-07, 06:42 AM   #3
Xanti Andia
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My dream machine is any tandem when one of my favorite stokers accepts the ride.
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Old 11-01-07, 09:02 AM   #4
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My dream machine is any tandem when one of my favorite stokers accepts the ride.
I truly wish I was that pragmatic... Tandems and bikes are my only real vice.
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Old 11-01-07, 03:03 PM   #5
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Build we just did might come close to qualifying (we are 295lbs):

Calfee custom tetra tandem (no lateral), ti couplers, blue prismatic paint
Alpha Q X2 fork
Chris King Ti NoThreadSet
Topolino AX 3.0 tandem wheels
Vittoria OC EVO CX tires, 700x25
Campy Record rear derailleur (med cage)
Campy Comp front derailleur (triple)
Santana carbon cranks, 175/170, 53/39/30
Dura Ace 7703 BBs (118.5x68, they don't make these any more, bit hard to find)
Campy Record ti & steel cassette, 11-25 (10-speed)
Wipperman 10x1 chains
Campy Record Ergo levers
Campy cables and housings
Campy Record front caliper brake
Tektro long-reach rear caliper brake (will replace both brakes with Zero Gravity Negative G this winter)
FSA K Wing barstem (ex Calfee)
ControlTech stoker stem
Profile stoker bar (47cm, will replace this and stoker stem with stoker barstem this winter)
Fizik bar tape
Easton EC90 seatpost (captain)
Fizik Aliante Carbon saddle
Pazzaz seatpost (stoker, carbon, Taiwan brand, USE RX Carbon didn't work out)
Selle Italia Lady Gel Flow saddle (Fizik Vitesse HP didn't work out)
Speedplay Zero stainless pedals (captain)
Speedplay Light Action ti pedals (stoker)
Arundel Dave-O cages
Fizik saddle bags, medium under stoker, small under captain
Garmin 305
S&S travel cases (2x10inch side pull)
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Old 11-01-07, 03:20 PM   #6
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A Calfee Tetra Tandem with the lateral-less design with custom geometry would be right up there for the frame of my dream bike. I'd put disks front and rear and wish I could go full Campy 10 speed - but since they don't offer anything bigger than a 29 cog in the rear - i'm stuck with using Campy 10 shifters with a shimano rear 9 speed cluster. We're simply not strong enough to run a 29 with all the hills we climb. Other than that - i'd probably keep the spec the same as what we have now on our speedster.
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Old 11-01-07, 04:44 PM   #7
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Other than the price and the fact that the tetra can be fitted with SS couplers, what is the diffrence between a Dragonfly and a Tetra?
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Old 11-01-07, 05:58 PM   #8
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Originally Posted by cornucopia72 View Post
Other than the price and the fact that the tetra can be fitted with SS couplers, what is the diffrence between a Dragonfly and a Tetra?
To the best of my knowledge, the Tetra models use an intermediate modulus carbon fiber, whereas the Dragonfly models use high modulus carbon (stays) and carbon / boron (main tubes) to achieve additional weight savings while retaining the other properties found in the Tetra. As a result, I seem to recall that a Dragonfly tandem frame is someting like ~10% lighter than an identically-sized Tetra tandem frame, e.g., 6lbs vs 6.6lbs.

There may also be some additional hand or machine work done to the frames and drop-outs to remove excess material, similar to what Thomson does to get weight out of their Elite seatposts to create the Masterpiece models. I believe Co-Motion pays similar close attention to their tubeset designs and fittings to get their very sleek Macchiato down to an impossibly light weight.

Last edited by TandemGeek; 01-08-08 at 03:39 PM.
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Old 11-01-07, 10:41 PM   #9
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Colotandem:
Our team weight is sub-250 lbs; height: pilot 5'7", stoker a miniscule 4'10 3/4 which necessitates a custom build for proper fit. Current ages 75/72.
Started tandeming in 1975 with a French Follis 'real' 10-speed. After that came our 'dream tandems'.
After 2 years on the Follis we designed our first tandem, built by Matt Assenmacher (Michigan) and logged 64,000 miles on that machine. Next, Colin Laing (British ex-pat living in Phoenix, AZ) built us our 2nd custom twicer. . . put 56,000 miles on that bike. Then designed our next twicer, built by Co-Motion and pedaled 57,000 miles on that. Which brings us to our fourth (and maybe last?) dream tandem.

It is a Zona carbon fiber frame with a 63 1/2 wheel base, internal lateral and drastically sloping top tube.
Frame features carbon fiber lugs with retro window cutouts; also has reinforcing fillets in critical areas of stress. Rear dropout inserts are ti.
Fork: Alpha Q X-2.
Crankset FSA Carbon Pro, 54/42/30. Cassette Deore XT 11/34.
Derailleurs: Front Dura Ace triple, rear XTR.
Shifters Shim 9 speed barcons, brake levers V287.
Brakes: Dura Ace calipher front, Tektro-Mini rear.
Chains SRAM Power Chain II. BB: FSA Ti; eccentric is custom.
Wheels: Velocity Aerohead 32H front, 36H rear; hubs are Chris King; spokes DT Revolution. Tires: Maxxis Detonator 25mm front and Re-Fuse 25mm rear. QRs: Salsa.
Headset: Chris King No-Thread.
Seatpost: Thompson for pilot, WoundUp X for stoker. Saddles: Flite Ti for pilot, Serfas Cosmos for stoker.
Stems: pilot Ritchey Pro; stoker: custom Zona carbon fiber/adjustable.
Bars: c/f EC90 drops front and rear. Stoker handrest: custom round carbon fiber. Bar tape: FSA Carbon weave.
Add ons/extras: custom carbon fiber rear rack. Placement of 5 bottle cages on frame, plus one each mounted on handlebars with stoker utilizing custom c/f bottle mount at juncture of bar/stem. Spare c/f spoke carrier (2 spokes) under boob tube and Topeak pump mount on top of boob tube. Ti glue-on on stoker stem for our mini-garage door opener. Cable guides on right fork blade for 'puter cable. Paragon TI BB inserts and Ti V-brake bosses for rear brake.
So far have logged 16,000+ miles on that Zona . . . and still ecstatic with fit/performance/durability/ride quality.
Unfortunately, Bob Davis, Zona builder, has decided to quit building at the end of 2007, due to health issues.
'IF' we'd design another tandem for us today, would definitely go full cabon fiber again with these possible changes: open frame and Topolino tandem wheelset.

We've been fortunate to test ride several prototype tandems and many production tandems from big and small builders/manufacturers, from the USA, Europe and Asia. Some were great some were not-so-great
We've ridden brands that many folks may not have heard of: Velo Schauff, Gilmour, Fastab, Gottfried, Berry, Montague, among others.
After 200,000+ miles experience as a tandem duo, we know what we want and what works for us.
Our suggestion: do your research and buy the best you can afford.
Pedal on TWOgether!
Rudy and Kay/zonatandem
Attached Images
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File Type: jpeg Compelete_Bike_crop_1.jpeg (23.2 KB, 45 views)
File Type: jpg HoK Stoker BB Flash.jpg (59.8 KB, 29 views)
File Type: jpeg Nolimitz_BT_4C.jpeg (67.1 KB, 16 views)
File Type: jpg IR&K spring07.jpg (48.7 KB, 44 views)
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Old 11-02-07, 08:10 AM   #10
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Don't really call it a dream bike, but our TAL Santana is definitely the "go to" bike of the stable. Custom sized for us, troublesome SIS and formula disc replaced with Dura Ace Bar Ends, Dia-Compe 287 Vs and an Avid Disc. The XTR rear derailleur was switched for a rapid rise one. It's our oldest tandem at 7 years.
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Old 11-02-07, 08:05 PM   #11
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I just bought my dream bike, a Seven custom Ti tandem. We purchased it for our 35th anniversary. We are a 310 pound, 113 year old team. The only change I may make is to get a lighter set of wheels. The Seven custom fitting and design process is very complete. I feel they delivered a bike that does exactly what I wanted, to go fast and climb hills. We really don't have the hills in Minnesota to test the climbing ability but I was able to test it during last month's Santana Tuscany Tandem Tour and it easily handled all of the climbs even with our 44x25 low gear.

Seven Cycles Axiom 007 Ti Frame
S&S Ti Couplers
Velocity Deep V 40 Spoke Rims
DT Swiss 540 Tandem Hubs
Michelin Krylion Carbon700x25C Tires
Campy Record Rear Derailleur- short cage
Campy Record QS 9s/10s Front Derailleur
Campy Record QS Ergopower™ 10s Controls
Campy New Record Ultra Narrow chain
Santana Carbon Crankset 175/172.5 55x44
Wheels Manufacturing Campy Compatible DuraAce Freehub 11-25 Ti - Steel
Wound Up Carbon Tandem Fork
Avid BB 7 Disk Front 165 MM Rotor
Avid BB 7 Disk Rear 165 MM Rotor
Chris King Titanium NoThreadSet Headset
FSA K WING
Seven Custom Ti Stem
FSA K WING
Co-motion Adjustable Stoker Stem
Specialized Toupe Team Saddle
Seven Aluminum
Specialized Dolce Gel Women's Saddle
FSA K-Force Light Seat Post
Speedplay X/1 Titanium Front and Rear
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Old 11-02-07, 08:10 PM   #12
regomatic
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Quote:
Originally Posted by colotandem View Post
Interested in your "opinions" for component reccomendations for building your dream road tandem.
Frame, wheelset, brifters, deraileurs, brakes & crankset (other details as you see fit).
Please include your team weight for context.
We were in the same position just about this time last year. We could have built about any bike we wanted except for real exotics like the Bohemian and such. In the end, we decided that we weren't fast enough, light enough, young enough to justify crazy lightweight/ high tech and decided that sturdy, reliable, comfortable and cool were more important to us.

We ordered a custom steel Bushnell with S&S couplers and cases through Tandems Limited. It's equipped with a Reynolds carbon fork, Velocity 36h rims laced to Phil Wood hubs, Record brifters, Centaur derailleurs and brakes, and FSA carbon cranks.

We added; painted to match (including the fades) double bottle cages, stem and custom machined GPS mount and a trunk rack that we'll use in the winter months.

We run a 12-27 Shimano 9sp on the back and put a 26t granny gear up front in place of the 34 when we go to the hills. We're flatlanders, about 320 and change as a team and don't go uphill very fast. Stoker was very intimidated by anything larger than an x'way overpass before we tried this gear combination on our first trip to Tennessee in May. Since then we've been back to TN, done central FL's steepest hills in the next county over and Texas "hill country" SW of Austin. We're still not great climbers, but we're out there, spinning our way up and passing more than a few walkers on the way.

Since the new bike delivery in March, there has not been one weekend day that I've been ready to ride and she wasn't, so the single bike gets a bit dusty at times.

Follow your own dream, and don't get deluded by someone else's. If your dream is the latest and greatest high tech, lowest weight, super bike, go for it. Our dream was a bike that we'd ride more and we're very pleased that our buying decisions met or exceeded our goals.

Good luck on your shopping adventure.
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Old 11-03-07, 05:46 PM   #13
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We all have different criteria and somehow end up with a dream machine
We are no longer a 'go fast and far' duo. Now being in our 70s, we ride TWOgether primarily for excercise/enjoyment.
Been asked "Do you really 'need' such a nice tandem?"
Reply: "What'll we do, wait 'til we get older?"
Hey, growin' old is not for sissies . . . enjoy life while you can!
Pedal on TWOgether!
Rudy and Kay/zonatandem
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Old 11-04-07, 07:11 PM   #14
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sevenrider, I have only one to say - SWEET RIDE! Hope you both get much happiness riding that beautiful machine - nice!
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