CUBE Natural Fit means more comfort, more fun and fewer problems. These innovative products were developed with ergonomic and medical expertise with the goal of reducing or eliminating comfort issues. All components and parts of our Natural Fit series are designed to deliver the best possible comfort and perfect functionality. Hightech materials and distinctive design are a trademark of CUBE Natural Fit products.
Aethos: Billions of calculations in the pursuit of one thing—the perfect ride. It’s more than just a motto it’s a philosophy. The Aethos has been designed to straddle the line between a perfected ride quality extreme light weight and undeniable style and this Expert model is no exception. With quick-shifting low-maintenance Ultegra Di2 electronic shifting and hydraulic disc brakes paired with bomb-proof Roval C38 Disc carbon wheels you have the perfect steed to get you out on the road. The Aethos frame has been designed with the perfect combination of ultimate ride feel light weight and style—from accelerating up steep pitches and descending technical descents to all-day saddle comfort on even the longest coffee rides the Aethos hits the mark. But how you ask? By reinventing the traditional road shape found on bikes of the past we’ve subtly altered these shapes to deliver massive gains in stiffness and balance all without affecting weight or durability. Pair that with an entirely new layup and process that we’ve perfected over multiple decades and you have the lightest frame out there (585 grams S-Works size 56cm). The Aethos is more than just a new bike it’s the first of a new breed. A featherweight frame is useless without confidence-inspiring ride characteristics which is why we’ve developed the Aethos to have the perfect balance of front and rear stiffness combined with exceptional ride quality. By studying the flexing and breathing of carbon fiber we were able to discover groundbreaking findings about how forces flow through frames. Just a few pedal strokes and you’ll realize this sublime ride sets a new standard. Every detail from the derailleur hangers to the fork expander plug have been designed with style weight and durability in mind. We’ve also spec’d it with Roval’s all-new Alpinist carbon seatpost further saving weight and improving ride characteristics. Everything in pursuit for the perfect ride. Frame Aethos FACT 10R Carbon Rider First Engineered™ Threaded BB 12x142mm thru-axle flat-mount disc Fork FACT Carbon 12x100mm thru-axle flat-mount disc Handlebars Specialized Expert Shallow Drop alloy 125mm drop x 75mm reach Stem Specialized Pro SL alloy 4-bolt Tape Supacaz Super Sticky Kush SeatPost Roval Alpinist Carbon Seatpost Front Brake Shimano Ultegra R8170 hydraulic disc Seat Binder Specialized Alloy 30mm Rear Brake Shimano Ultegra R8170 hydraulic disc Shift Levers Shimano Ultegra R8170 hydraulic disc Front Derailleur Shimano Ultegra R8150 braze-on Rear Derailleur Shimano Ultegra R8150 12-speed Cassette Shimano Ultegra 12-speed 11-30t Crankset Shimano Ultegra R8100 Chainrings 52/36T Bottom Bracket Shimano Threaded BSA BB Chain Shimano Ultegra 12-speed Front Wheel Roval C38 21mm internal width carbon rim Rear Wheel Roval C38 21mm internal width carbon rim Front Tire S-Works Turbo 120 TPI folding bead BlackBelt protection 700x26mm Rear Tire S-Works Turbo 120 TPI folding bead BlackBelt protection 700x26mm Saddle Body Geometry Power Expert titanium rails Inner Tubes Turbo Ultralight 48mm Presta valve