Jareen SHIMANO GRX 1x12S

This road-speed measure focuses on efficient pace on asphalt, where drag and rolling resistance matter most. As a result, it's better suited to relaxed riding than pushing fast splits. The score is largely shaped by a heavier build, an aero-leaning setup that reduces drag at higher speeds, wider mixed-surface tires that add some drag, and a solid drivetrain that supports efficient riding.

Climb score: 6.2/10. Within Road bikes, this comes out around the middle. The low gear should feel friendly on most hills. The easiest gear works out to about 25.7 gear inches. Compared with similar bikes, this low gear is easier than about ~70% of them. Think of “gear inches” like a difficulty score for your easiest gear: lower = more spin-friendly on climbs. With roughly 10.8 kg to move uphill, you’ll feel it more as climbs get longer. It can climb, but you’ll likely prefer smoother pacing on longer hills. 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.

As a gravel bike, that 4.7/10 aero rating suggests that with geometry that’s fairly neutral, it’s an all-round aero level so it won’t hold you back on normal fast riding. What that means on the road is: it’s a balanced middle ground: some streamlining, but not an extreme aero setup. Its gravel label helps explain the balance between speed, comfort, and versatility. Tyres around 40mm are clearly aimed at comfort and control, and that usually adds some drag in the wind. Not every brand publishes the same detail, so this leans on the clearest available specs. That typically means solid everyday speed without forcing an aggressive position or race-only parts.

Balanced fit - a middle ground between comfort and speed. This is mainly because bars are around 78 mm lower than the saddle, which is a moderate drop, and the forward stretch measures around 552 mm (long). Expect a lean angle around 35 degrees.

In Road / Gravel, Here is the simple reasoning behind the fit flexibility rating: This front-end is not locked into a one-piece system, which helps adjustability. Another point: Cable routing is on the simpler side, which helps adjustability. So we classify it as Adjustable.

Comfort comes out to 5.9/10, which usually translates to a fairly neutral ride. That’s why it’s labeled Balanced. It’s running about 40 mm tires on 700c wheels, 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 6/10, torso ~35°), which balances comfort and responsiveness pretty well.

This looks like strong value without any tricky caveats. 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). Based on the parts list, it’s roughly 25% cheaper than what similar builds typically cost. Against similar bikes of the same type and age, it’s usually on the cheaper side, beating about 88% of listings. Quick reference: €2.205 listed versus about €2.959 for a comparable build. Overall, it looks like a great-value pick 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. Wheel choice (700c) fits the kind of surfaces this bike targets.