da Vinci Designs Joint Venture Tandem

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	$6,295 Reynolds Chrome-moly Steel $8,795 Chrome-moly with S&S Couplers* $6,575 Reynolds 7005 Aluminum $10,295 Titanium $14,395 Titanium with S&S Couplers* $11,295 Carbon Fiber w/7005 bottom tube $14,995 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 airline approved travel case. Also includes w/S&S Couplers: Easy-Split cable separators, spanner wrench, coupler grease, and self extracting crank bolts. Pre-cut and labeled reusable frame pads sold separately. *Carbon fiber with S&S Couplers is built w/steel bottom tube.
Shifters	Shimano Ultregra STI 2×11 – Optional Upgrade Di2 3×11, or 2×11 Click here for more info
Rear Derailleur	Shimano GRX – Optional Upgrade XT Di2
Front Derailleur	Shimano GRX – Optional Upgrade XTR Di2
Brakes	Avid BB7 Front and Rear Disc Brake with 203mm rotors – Optional Upgrade Hydraulic w/203mm Icetech rotors
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 (QR or 15mm Thru-axle, depending on fork choice.)
Rear Hub	White Industries XMR Tandem Disc – 145mm
Rims	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 – $795

Carbon Fiber Fork
White Industries Freewheels for ICS
Cane Creek 110 Headset
House of Kolor Kandy or Two color fade Paint job

Package B – $1495

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 $1900 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 $2500 upgrade
Same as above with GRX or Ultegra shifters, hydraulic brakes and 203mm IceTech rotors

Other Upgrades, Options & Additions

Wound Up Carbon Fiber Fork	Great comfort and performance upgrade	$500
HT Carbon Fiber Fork	Light, strong and more “traditional” looking carbon fiber. Tapered steerer, 15mm thru-axle, room for 700x40mm tires	$475
Zinn Duro Carbon Fiber Fork	Strong, tapered x-long steerer, 15mm axle, “everything rack” mounts, lowrider mounts, and rack eyelets. Taller than other forks. Room for 700×45 with fender or 48mm without. Price includes brake adaptor for 203mm rotor.	$550
TRP Hy/Rd	Cable actuated, hydraulic disc brake.	$75/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.	$50
Rolf Tandem Wheels	Through exclusive arrangements with Rolf, now available for 26″ road tandems as well as the standard 700c	$795
Spinergy Tandem Wheels	Light, durable, and very comfortable. Available in 700c and 27.5″ (650b)	$795
Cirrus Kinekt 2.1 shockpost	This is an even more comfortable and tunable suspension seatpost for the stoker. Available for different weight ranges	$50

Other Options

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.