You can build One&Only according to your requirement - straight or bent handlebar, with a front brake or without it, with a permanent drive or a free-wheel. The frame is made with lightweight 7020T6 aluminium double-butted tubes, which guarantee a low weight. Large-diameter tubes, which are typical for Duratec, ensure a high torsion stiffness and give the rider an optimal transfer of force applied on the pedal into acceleration.
Single speed One&Only is available in 2 basic version - CHAIN or BELT.
seat clamp diameter 31.8 mm, internal rear brake cable routing, headset 1–1/8" FSA ORBIT IS
a portable belt - frame element with a separable rear triangle
headset diameter (transition to the fork) 45 mm, seatpost diameter 27.2 mm, steerer tube 1-1/8", BSA bottom bracket thread (68 mm)