da Vinci Designs Symbiosis Full Suspension Tandem
New – 27.5″ and 29″ Wheel options
Di2  3 x 11 Electronic Shifting Shift Upgrade Available Now
NEW! Electric Assist Option


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.

Frame Material 7005 aluminum main triangle, Cromoly rear triangle.
Fork MRP (White Brother) Tandem Fork
Shock Fox Float AVA RL
Rear Deraileur Sram / Grip Shift ESP 9.0
Front Deraileur Triple Derailleur (Four Chainrings)
Shifters 9sp Grip Shift ESP 9.0
Brakes Avid Juicy or BB7 front and rear
Front Bars OS Flat bars w/ Bar ends
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 SRAM 11-34
Driving Gears Shimano Hyperglide 12-18-24-30 Equivalent to 22-34-45-57
Eccentrics da Vinci Designs
Front Hub White Industries XMR 15mm thru axle Disc Brake
Rear Hub White Industries XMR Disc Brake Tandem 145mm
Rims da Vinci Designs V-23 (27.5″ and 29″ Velocity Blunt 35)
Tires Your Choice – Kevlar Bead
Seatposts Thomson Elite 31.6mm
Saddles Selle Italia Man Flow and/or Lady Flow
Colors Click here to see the Paint Colors page
Retail Price $7795 7005 Aluminum frame w/Steel rear end

NEW Shimano Di2 electronic shifting  $2500 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.

New 27.5″ or 29″ wheel size options. $100

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.