Joint Venture tandem

da Vinci Designs Joint Venture Tandem

Joint Venture X is a gravel/adventure version with room for bigger tires

Joint Venture X is a gravel/adventure version with room for bigger tires

This has always been the most popular model we build. It is a high end road tandem with a lot of options available to meet your exact needs
 Available in:

  • Chrome-moly Steel (with and without S&S Couplers)
  • Custom Reynolds 7005 Aluminum (without S&S Couplers)
  • Titanium (with and without S&S Couplers)
  • Carbon Fiber (with and without S&S Couplers)

Joint Venture Components

Frame Material
Retail Price
$5695 Reynolds Chrome-moly Steel
$7595 Chrome-moly with S&S Couplers*
$6095 Reynolds 7005 Aluminum
$9195 Titanium
$13095 Titanium with S&S Couplers*
$9495 Carbon Fiber w/7005 bottom tube
$12395 Carbon Fiber with S&S Couplers and Chrome-moly bottom tube*
*S&S Couplers allow the frame to be taken apart and fit into a small travel case.
Also includes : reusable frame pads, Easy-Split cable separators, spanner wrench,
special grease, and self extracting crank bolts.
Shifters Shimano Ultregra STI 2×11, or 105 STI 3×10
– Optional Upgrade Di2 3×11 Click here for more info
Rear Derailleur Shimano GRX, or Deore XT – Optional Upgrade XT Di2
Front Derailleur Shimano GRX, or triple – Optional Upgrade XTR Di2
Brakes TRP Spyre Front and Rear Disc Brake with 203mm rotors
– Optional Upgrade Hydraulic w/203mm Icetech
Front Bars FSA Wing Compact 44cm
Rear Bars Profile Stoker 26 – 47cm
Front Stem 10º, 17º, 25º, or 40º , 90 to 130mm
Rear Stem Control Tech Adjustable Stoker
Cranks da Vinci Designs Billet Machined (large choice of lengths)
Rear Cogs 11-40 or many other options
Driving Gears Shimano Hyperglide 13-21-28
Equivalent to 26-42-58 or 24-39-53
Eccentrics da Vinci Designs
Front Hub White Industries XMR Disc
Rear Hub White Industries Tandem Disc – 145mm
Rims da Vinci Designs V-23 or Velocity Dyad
Tires Panaracer RIBMO 700×28 – Other sizes available
Front Seatpost 31.6mm
Rear Seatpost Cane Creek Thudbuster ST
Saddles Selle Italia Man Flow and/or Lady Flow
Colors Click here to see the Paint Colors page
  Components subject to change based on availability

Joint Venture Options & Upgrades

Package A – $675
Carbon Fiber Fork
White Industries Freewheels for ICS
Cane Creek 110 Headset
House of Kolor Kandy or Two color fade Paint job
Package B – $1195
Carbon Fiber Fork
White Industries Freewheels for ICS
Cane Creek 110 Headset
House of Kolor Kandy or Two color fade Paint job
Rolf Prima, or Spinergy Tandems Wheels

Shimano Di2 electronic shifting 3×11    $2200 upgrade
We use Ultegra road shifters and XTR front and XT rear derailleurs for an incredibly wide range of gears.

Included with the Di2 build, we install a XT Handlebar Display unit so you can see what gear (front and rear) you are in as well as battery level and easy charging port and easy switching between manual and Synchronous shifting modes.

Shimano Di2 electronic shifting with hydraulic disc brakes   $2800 upgrade
Same as above with GRX or Ultegra shifters, hydraulic brakes and 203mm IceTech rotors

Cranks

200mm, 180mm, 175mm, 172.5mm, 170mm, 167.5mm, 165mm, 160mm, 150mm,  3 hole 130/150/170mm, or  3 hole 120/140/160mm

Tires
Model
(F= Folding, W=Wire bead)
Description Actual Width Weight  
Panaracer RIBMO 700×28 /F Great, long wearing, stable, fast, and
good puncture resistance.
1.10″ (28mm) 392g  
Panaracer RIBMO 700×32 /F Wider version of above tire. 1.25″ (32mm) 400g  
Panaracer RIBMO 26″x1.25″ /F Great, long wearing, stable, fast, and
good puncture resistance.
1.18″ (30mm) 355g  
Panaracer RIBMO 26″x1.5″ /F Wider version of above tire.  1.45″
(36mm)
440g  
Continental GP Four Seasons
700 x 28mm /F
Great road tire   ***Add $70 for the pair 1.10″ (28mm) 280g  
We have other tires. We stock tires from skinny to knobby, please ask.      
         

 

Captain Stem
10 deg. rise 60, 70, 80, 90, 100, 110, 120, 130mm N/C
17 deg. rise 60, 75, 90, 100, 110, 120, 130mm N/C
25 deg. rise 75, 90, 105,120mm N/C
40 deg. rise 75, 90, 105,120mm N/C

 

Captain Drop Bars
FSA Wing Compact Comfortable shape drop bars with a shallow drop. 44cm (default), option 42cm N/C
Profile Cobra Carbon Fiber drop bars with ergonomic contours $225
ENVE Composites What can you say, ENVE Composites drop bars, are light, strong, the best $306
     

 

Stoker Stem
Control Tech Adjustable Long 200 to 255mm. They can be cut shorter. N/C
Control Tech Adjustable Medium 170 to 225mm. They can be cut shorter N/C
Extra Stoker Boom Long stoker stem boom to switch between an adult and child stoker,
and the adjustment of the stoker stem is not enough.
$45
2″ (50mm) Stem Riser This stem extension works with most bars to raise,
or move it closer. .
$48
Fixed Length Titanium Half the weight of an adjustable stem. Available in 160mm, 180mm, or 200mm. Custom length available for addition cost. $125

 

Stoker handlebars
Profile Stoker Bars 47cm wide Light, comfortable, multiple hand positions. Allows most fore/aft reach
range.
N/C
Profile WingA Stoker Bar 46cm Same as above with OS Clamp (31.8mm) “Wing” flat area for comfort. $37
Profile Cobra Wing Stoker Bar 46cm Some as WingA above but carbon fiber, lighter, and hand contours for even more comfort. $225
46cm Wide Drop Bars Wide drop bars to clear the captain’s hips (price includes Cane Creek stoker levers). $49
44cm Profile Cobra Drop Bars Profile Cobra carbon fiber drop bars with Cane Creek stoker lever. $274
44cm ENVE Composites Drop Bars ENVE Composites carbon fiber drop bars with Cane Creek stoker lever. $355
Flat Mountain Bars Some prefer the wider flat bars. Lighter, too. N/C
25 to 90mm Riser Bars For tall stokers with short captains, or stokers who like to sit up more. $20
Bar ends Add comfort and hand positions to flat bars or riser bars. $25

 

Child Adapter
Child Kit Clamps to rear seat tube for higher crank location. Price includes
BB Spindle and length of chain. This works great with our Three Hole Cranks
$175
Extra Stoker Boom Long stoker stem boom to switch between an adult and child stoker,
and the adjustment of the stoker stem is not enough.
$45

 

Stoker Seatposts
Thudbuster Short Travel Lightest shockpost we stock., 440g.
Includes different elastomers to tune spring rate.
Thudbuster Long Travel Longest Travel, requires 144mm from saddle rails to top of seat tube, 565g.
Includes different elastomers to tune spring rate.
Cirrus Kinekt Seatpost 2.1 Advanced suspension design. Adjustable, active, comfortable.       Add $100  529g
Available in three weight ranges: 100-150lbs, 150-200lbs, 200-250lbs. 

 

Saddles
Sella Italia Man Flow (TransAm) and/or Lady Flow (TransAm)
Velo Pronto and Serina Men’s and/or Women’s
We have other saddles. Call to inquire.

 

Other Upgrades, Options & Additions

Wound Up Carbon Fiber Fork, available for 26″, 700c and front disc brake Great comfort and performance upgrade $425
HT Carbon Fiber Fork Light, strong and more “traditional” looking carbon fiber. Tapered steerer, 15mm thru-axle, room for 700x40mm tires $425
Co-Lab CX Carbon Fiber Fork Strong, tapered steerer, 15mm axle, “everything rack” mounts, Lowrider mounts, dyno hub wire routing. Taller than other forks. Room for 700×45 with fender or 50mm without. $425
TRP Hy/Rd Cable actuated, hydraulic disc brake. $70/ea
White Industries Freewheels These are the highest quality freewheels made and have been adapted to our Independent Coasting Drivetrain. Durable, precision, and sealed. 17, 18, or 19 tooth. $185
Titanium Bottom Brackets Same design as stock (See Components page) Save 55g each or 110g per tandem $75/ea
Cane Creek 110 Headset The best headsets money can buy. Cane Creek has a 110 year Warrantee. $75
Black Hubs and Spokes This option is for bikes with White Industry Hubs and V-23 rims. $40
Rolf Tandem Wheels Through exclusive arrangements with Rolf, now available for 26″ road tandems as well as the standard 700c $600
Spinergy Tandem Wheels Light, durable, and very comfortable. $600