Terra C 2x GRX825 Di2

On the road, small changes in drag and tire resistance add up, and this score captures that effect. It trends this way because of wider mixed-surface tires that add some drag, aerodynamics that help it hold speed once you're rolling, and a solid drivetrain that supports efficient riding. This means it's tuned for reliability and control rather than maximum speed.

On steep roads, it comes in at 4.0/10. Within Road bikes, it lands below average. The low gear should feel friendly on most hills. Your easiest gear lands around 24.6 gear inches. Compared with similar bikes, this low gear is easier than about ~76% of them. Think of “gear inches” like a difficulty score for your easiest gear: lower = more spin-friendly on climbs. A good middle-ground if you want mixed routes that include some hills. Real-world feel depends on setup and size, and some details aren’t always listed, so this is best seen as a well-informed estimate.

From a gravel perspective, sitting at 4.7/10 for aero, it lands in the ‘do-most-things-well’ aero zone so you get some benefit when the wind matters. The short version is: it’s a balanced middle ground: some streamlining, but not an extreme aero setup. Wider tyres like this tend to trade a bit of aero efficiency for comfort and confidence. Details like hidden cables and a cleaner cockpit can add up to small aero gains at speed. That typically means solid everyday speed without forcing an aggressive position or race-only parts.

Comfort fit - comfort-leaning without feeling sluggish. This is an estimate; exact fit varies by spacers and rider setup.

This rating is mainly driven by the parts that affect adjustability: This front-end is not locked into a one-piece system, which helps adjustability. Plus, Hidden cables usually add a little friction when you swap bars or stems. Net result: Moderately Adjustable. Put simply, it describes how practical it is to reconfigure your position later.

Comfort comes out to 6.0/10, which usually translates to a balanced ride. That’s why it’s labeled Balanced. It’s running about 40 mm tires, and wider tires let you drop pressure a touch, which smooths out rough pavement on rough lanes and gravel patches. The posture is neutral (posture 5/10), which keeps things neutral and easy to live with.

This looks like strong value, even if it’s not the absolute cheapest listing. Value is scored 1–10: higher is better value, lower means you’re paying more than similar bikes. Uses MSRP as a baseline; real-world prices can be lower (discounts can change the value). Based on the spec estimate, it comes in about 10% under the typical level for similar builds. In its peer group, it tends to be better-priced than many, beating about 74% of listings. To anchor it: price €3.779 versus an estimated €4.207 for a similar build. Overall, it looks like a strong buy in its category.

This bike is comfortable on gravel roads and unpaved back roads, and it still rides well on tarmac. The tire size is around 40 mm, which gives grip and control on loose gravel. Overall, the setup matches this surface range well.