Ultimate CF SLX 8 Di2

This road-speed measure focuses on efficient pace on asphalt, where drag and rolling resistance matter most. Compared with comfort-biased setups, this build is shaped by a light setup, a lighter-feeling mass profile that helps on accelerations and tempo climbs, all-round road tires that balance speed and comfort, and a solid drivetrain that supports efficient riding.

Climb score: 6.0/10. Within Road bikes, it sits around the middle. On longer climbs, the gearing lands on the tall side. In numbers, the low gear is roughly 32.4 gear inches. Compared with similar bikes, this low gear is easier than about ~18% of them. We use “gear inches” as a shortcut for climbing gearing. Lower numbers mean you can spin more easily when it gets steep. With about 7.3 kg under you, it has a nice advantage when gravity is the main enemy. This is happiest on flatter terrain; steep stuff will feel demanding. Different builds can shift the feel a bit, and some manufacturer specs aren’t always publicly listed, so consider this a helpful direction.

As a race-focused bike, with a 8.3/10 aero score, it’s designed to feel efficient at higher speeds where wind resistance dominates. Put simply, it’s built with speed in mind, with choices that reduce wind drag once you’re riding faster. This tyre size generally plays nicely with aero goals compared with very wide all-road tyres. Not every brand publishes the same detail, so this leans on the clearest available specs. When you’re riding quickly, this kind of design can feel easier to keep rolling at the same speed.

Sporty fit - more tuck for efficiency, but still manageable for many riders. That's driven by bars are around 125 mm lower than the saddle, which is a very large drop, and the forward stretch measures around 572 mm (long). Expect a lean angle around 43 degrees. Race-focused geometry usually rewards a more tucked posture. Estimated spacers: ~9 mm.

Why this fit flexibility rating: This front-end is not locked into a one-piece system, which helps adjustability, Less routing complexity makes swaps and adjustments more practical. At the same time, A proprietary or aero-shaped seatpost can limit compatibility and reduce easy swapping. That is why it is in the Adjustable bucket. Put simply, it describes how practical it is to reconfigure your position later.

Ride comfort is 2.7/10 — on a real ride it feels more responsive than cushy. So it’s tagged Firm overall. It’s running about 27 mm tires on 700c wheels, and narrow tires usually mean higher pressure, so more buzz comes through on chipseal and broken pavement. The posture is race-leaning (posture 7/10, torso ~43°), which puts more weight forward, so you notice more feedback through the hands and saddle.

This looks like strong value, even if it’s not the absolute cheapest listing. The value score is 1–10. Higher means better value for money; lower means the price is high for what you get. Uses MSRP as a baseline; real-world prices can be lower (discounts can change the value). On the spec estimate, the price is close to what we’d expect for a comparable build. In its peer group, it tends to be better-priced than many, beating about 69% of listings. To anchor it: price €6.299 versus an estimated €6.353 for a similar build. Overall, it looks like a strong buy in its category.

This bike is best when your rides stay on clean tarmac. Tires around 28 mm usually mean it’s tuned for smooth-road speed. Wheel choice (700c) fits the kind of surfaces this bike targets.