Symbiosis Full Suspension Tandem

27.5″ and 29″ Wheel options
Di2  3 x 11 Electronic Shifting Shift Upgrade

This full suspension mountain tandem is the best handling and has the best travel yet.
Whether you value a more comfortable ride when you cruise down your favorite fire road or are looking for a bump-eating downhill racer, the Symbiosis is ready for anything you can dish out. This only-the-best-will-do dream machine has front and rear hydraulic disc brakes, the best suspension forks to be found, and all the other high zoot goodies you have grown to expect on a da Vinci.

da Vinci Symbiosis Tandem Components

Frame Material Retail Price $8295 – 7005 Aluminum frame w/Steel rear end
Fork MRP Stoke Tandem Fork 80mm, 100mm, or 120mm
Rear Shock DVO Topaz
Shifters Shimano XT 3×11 –   –  Option XT Di2
Rear Deraileur Shimano XT –    –  Option XT Di2
Front Deraileur Triple –               –  Option  XTR  Di2
Brakes Avid BB7 Front and Rear Disc with 203mm rotors
– Option XT Four piston Hydraulic with 203mm Icetech rotors
Front Bars Flat or riser mountain bars
Rear Bars Profile Stoker 26 – 47cm
Front Stem Thomson Elite X2
Rear Stem Control Tech Adjustable Stoker
Cranks da Vinci Designs Billet Machined (wide choice of lengths)
Rear Cogs 11-36 or 11-40
Driving Gears Shimano Hyperglide 13-21-28
Equivalent to 24-39-53 or even lower gear options
Eccentrics da Vinci Designs
Front Hub White Industries XMR Boost 110 x 15
Rear Hub White Industries Tandem Disc – 145mm
Rims 26″, 27.5″ or 29″ Velocity Blunt 35
Tires Picked for your application.
Saddles Selle Italia Man Flow and/or Lady Flow
Colors Click here to see the Paint Colors page

Options & Upgrades

Shimano Di2 electronic shifting  $1900 upgrade
XTR 11×3 with Handlebar Display unit so you can see what gear (front and rear) you are in as well as battery level and easy charging port.

Electric Assist with Shimano STEPS E8000 motor $3700 upgrade
See Tailwind model for motor details

Symbiosis Sizing

Dimensions Small Medium Large Large/Small
Front Seat Tube C/T
16.2″(41.1cm) 18.2″(46.2cm) 20.2″(51.3cm)
Rear Seat Tube C/T
15″(38.1cm) 17″(43.2cm) 19″(48.2cm) 15″(38.1cm)
Front Top Tube (E1) 22.25″(56.5cm) 23″(58.4cm) 23.75″(60.3cm) 23.75″(60.3cm)
Rear Seat Tube C/C
Front Standover*
Rear Standover*
Rear Top Tube
 28.4″(72.1cm)  28.4″(72.1cm)  28.4″(72.1cm)  28.4″(72.1cm)
Head / Seat Tube
BB Height *
(See drawing “R”)
(See drawing “S”)



*These dimensions are accurate with 1.1″ tires (28mm). Add .5″ (1.3cm) for 1.5″ tires.