da Vinci Symbiosis XC




This bike is destined to become the benchmark cross country offroad tandem!

Dropped top tube for better standover and suspension adjusted geometry. It screams “Take me down that fire road.” The Symbiosis XC comes with a race tested suspension fork and a 100mm (4″) travel Thudbuster seatpost

Component List: da Vinci Designs Symbiosis XC
Frame Material Custom Drawn, Oversize, Heat treated, Chromoly
Optional Frame Materials 7005 Aluminum, 3/2.5 – 6/4 Titanium, or Carbon Fiber
Fork White Brothers Tandem Fork
Rear Deraileur Sram / Grip Shift X.9
Front Deraileur Campagnolo Triple
Shifters SRAM / Grip Shift 9sp X.9
Brakes Avid Juicy or
Avid BB7 with 203mm rotors
Front Bars OS Flat bars w/Bar Ends
Rear Bars Profile Stoker
Front Stem Bontrager Race OS
Rear Stem Control Tech Adjustable Stoker
Cranks da Vinci Designs Billet Machined (wide choice of lengths)
Rear Cogs Shimano/SRAM 11-32
Driving Gears Shimano Hyperglide 12-18-24-30 Equivalent to 22-34-45-57
Eccentrics da Vinci Designs CNC Machined
Front Hub White Industries High Flange Disc Brake
Rear Hub White Industries Disc Brake Tandem 145mm
Rims da Vinci Designs V-23
Tires Your Choice – Kevlar Bead
Front Seatpost Bontrager 31.6mm
Rear Seatpost Thudbuster 3″ Travel
Saddles Sella Italia X2 TransAm and/or Lady TransAm


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