iAEROLIGHT PRO 1.9

For road-style bikes, the score is a proxy for how fast the build feels on normal pavement. The strongest influences are all-round road tires that balance speed and comfort and a high-end drivetrain that tends to feel crisp under load. It's the combination that matters: weight, rolling resistance, and (for road) aerodynamics. Under the hood, aero efficiency is a major part of the speed feel here.

On steep roads, it comes in at 3.3/10. Within e-road bikes, it ranks below average. The low gear is workable, but not super easy on steep ramps. That lowest gear comes out around 27.0 gear inches. In its peer group, it lands around the easier ~54% for low-gear climbing. Think of “gear inches” like a difficulty score for your easiest gear: lower = more spin-friendly on climbs. The motor support helps you keep rolling when the slope kicks up. Good for keeping cadence steady on climbs without overcooking it. Build kits can differ by size and spec level, and not every detail is published by every brand, so use this as a practical guideline.

On the aero side of things, with tidier routing up front, aero-wise, at 8.8/10, aero is one of the main points of the design with a clear speed-over-everything bias. In everyday language, it’s strongly speed-focused, designed to reduce wind drag when you’re riding fast. The aero category also hints at the intent behind the design. This tyre size generally plays nicely with aero goals compared with very wide all-road tyres. Different brands share different amounts of detail, so this uses the most consistent cues that are available. The faster you ride, the more this aero focus tends to show up in how it holds speed.

Balanced fit - a middle ground between comfort and speed. Some measurements were missing, so part of this is estimated.

Net result: Moderately Adjustable. 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, With headset routing, adjustments often require more disassembly - System terms found in the spec text include: ACR.

Ride comfort is 3.1/10 — on a real ride it feels quite direct. So it’s tagged Firm overall. It’s running about 28 mm tires on 700c wheels, and you feel more of the road texture with narrow tires on chipseal and broken pavement. The posture is race-leaning (posture 7/10), which puts more weight forward, so you notice more feedback through the hands and saddle.

You’re paying a big premium here versus similar builds. 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 comparison, it sits roughly 36% above what similar builds typically cost. Compared with similar bikes, it trends a little expensive (cheaper than about 33% of listings). Quick reference: €13.731 listed versus about €10.103 for a comparable build. Put simply: it’s priced more like a premium pick than a value buy.

This bike is built for smooth pavement and fast road riding. The tire size is around 28 mm, which is typical for fast road setups. Overall, the setup matches this surface range well.