F9 DURA ACE Di2

It tends to feel lively when you accelerate or surge. When the riding is smooth, speed comes down to resistance and weight, and that's what this rating emphasizes. What pushes it in this direction is a baseline tire-width assumption and a high-end drivetrain that tends to feel crisp under load. On paper, aero efficiency is a major part of the speed feel here (based on typical road assumptions).

Climbing rating: 1.8/10. Within Road bikes, it ranks near the bottom. The easiest gear is on the tall side for proper hills. In numbers, the low gear is roughly 32.4 gear inches. In its peer group, it lands around the easier ~18% for low-gear climbing. We use “gear inches” as a shortcut for climbing gearing. Lower numbers mean you can spin more easily when it gets steep. This is happiest on flatter terrain; steep stuff will feel demanding. Specs can vary by size and build, and some manufacturer details aren’t always published, so treat this as a strong guide rather than a guarantee.

Seen as a race-focused option, with a cleaner-looking front end, at 7.5/10 for aerodynamics, it leans toward speed once pace rises and it’ll feel quicker on open roads. What that means on the road is: it’s built with speed in mind, with choices that reduce wind drag once you’re riding faster. A more integrated front end usually reduces minor drag points around the cockpit. On flatter roads and into headwinds, this kind of setup often feels noticeably quicker than more comfort-first designs.

Sporty fit - a performance-leaning position that encourages speed. You get this posture because handlebar height is roughly 103 mm lower than the saddle (large drop), and how far you'll be stretched forward is about 565 mm (long). You'll likely be near 39 degrees of lean. Front-end spacers are estimated around 8 mm.

So we classify it as Adjustable. This bike's adjustability comes down to cockpit, routing, and seat setup: A modular front-end gives more freedom to change stem length or bar width, and Cable routing is on the simpler side, which helps adjustability.

This scores 2.9/10 for comfort, so it feels firm out on the road. That’s the reason it lands as Firm. The posture is race-leaning (posture 7/10, torso ~39°), which tends to feel more direct, especially over rougher sections.

This bike is built for smooth pavement and fast road riding. Tire size details aren’t available here, so the label follows the overall setup and category cues. Overall, the setup matches this surface range well.