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CANNONDALE SYSTEM SIX ULTEGRA
Less drag, more speed.
The fastest UCI-legal bike in the world. More speed with less effort. Simple as that.
SystemSix outstrips opponents, and not just where you’d expect. It sprints, descends and even climbs most hills faster, conserving watts off the front, in the draft, and in the laughing group.
Highlights
- Ultra low drag BallisTec carbon frameset / Integrated Cannondale App connectivity
- Ultegra hydraulic disc group / HollowGram KNØT SystemBar
- Vision SC55 Carbon wheelset
SystemSix is a holistically designed, six-part system wholly dedicated to the pure pursuit of speed. It generates the least aerodynamic drag of any road bike on the market, which means more speed, in more situations, for more riders. It’s faster everywhere.
The secret of the SystemSix’s spectacular speed lies in, not surprisingly, a system.
A holistically designed six-point system — Frame, Fork, Seatpost, Bar, Stem, Wheels. — engineered to work together to defeat the giant of aerodynamic drag.
Frame & fork
To minimize drag, the frame and fork feature highly truncated airfoil shapes, engineered to maintain flow attachment across important yaw angles. Distinct asymmetry throughout provides instant response to pedaling and braking loads.
64 KNØT Wheels
Conceived as the first component of the SystemSix project, the HollowGram 64 KNØT is one of the absolute fastest wheelsets on the planet. Its unique design combines the speed benefits of an ultra-low drag profile with the real-world rideability benefits of larger volume tires.
- That extra width both makes tires effectively bigger than their marked size for better ride quality (a 23c tire measures a full 26mm on our wheel), and helps air flowing over the tire reattach cleanly to the rim, maximizing flow attachment and minimizing drag.
- The rim shape is optimized for 26mm (23c) tires, but the 64 KNØT design exhibits minimal changes in drag with even larger tires, giving riders the option to go bigger for comfort, grip and reduced rolling resistance without paying an aero penalty. It’s pure speed, without compromise.
HollowGram KNØT SystemBar and Stem
This slick bit of speed wizardry provides the low drag and sleek look of a one-piece combo with the convenience and customizable adjustability of a two-piece system. The carbon bar features a full 8° of pitch adjust and comes in multiple widths for dialling in your position. The rounded airfoil shape maintains consistent airflow throughout the pitch range for low drag in any position and is much comfier on your hands than bars with sharp trailing edges.
- The stem is interchangeable and comes in a variety of lengths and rises.
- It routes the brake and Di2 lines cleanly into the headtube via a channel under a mechanic-friendly cover and features matching gated spacers so you can adjust the stack height without disconnecting cables. Fast meets easy.
KNØT Seatpost
An often overlooked, but vital part of the system. The truncated airfoil shape of the HollowGram KNØT seatpost is designed specifically to reduce drag in the high-speed airflow that is accelerated between the rider’s legs.
- HollowGram, BB30a, OPI SpideRing, 52/36
- Prologo Dimension STN NDR, steel rails
- HollowGram 60 KNOT Carbon, 330mm
- HollowGram KNOT, Alloy w/ cable cover, -17°
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