Frame: Santana/Eco/Columbus MegaSize CroMoly plus
Fork: Santana/MOZO tandem-specific 1¼" Evolution suspension fork
Standard sizes: S, M, L, XL
Stowaway version: sizes S, M, L
Build to order frames: are produced in 3 weeks
Components: SE componentry plus

Ritchey CompLite alloy bars

Shimano Deore XT V-brake Levers & SRAM twist grip shifters

XTR front derailleur

Reversible-angle front stem with 15° of variable rise

Ritchey Excavader(F) and Elevader(R) 2.1 knobbies