27.5 Inch Electric Mountain Bike E-ST 520

For MTB speed, tire choice and rolling resistance matter a lot, and that's baked into the score. Key drivers include typical trail-width tires, wheel momentum that helps it carry speed between pedal strokes, mid-size wheels that balance agility and momentum, and a capable drivetrain that supports steady speed. Overall, those details affect how quickly it accelerates and how easily it maintains pace.

Climbing rating: 8.2/10. Within e-mountain bikes, it lands above average. On climbs, the lowest gear feels very easy. That lowest gear comes out around 17.3 gear inches. Compared with similar bikes, this low gear is easier than about ~81% of them. Gear inches is basically “how easy is the easiest gear”. Lower numbers help you keep your legs spinning on steep bits. Being an e-bike helps on climbs because the assist adds steady push when you need it. You’ll be able to keep a steady spin even when it gets steep. Different builds can shift the feel a bit, and some manufacturer specs aren’t always publicly listed, so consider this a helpful direction.

Suspension setup comes out at 6/10 — “Confident trail control”. That typically means noticeably better bump absorption and more consistent tracking on rougher sections. It’s a hardtail setup: the fork manages impacts up front, while the rear stays rigid and direct. It should feel noticeably calmer through repeated bumps and rough patches. Expect steadier tracking on rougher sections without feeling like a long-travel downhill setup.

Balanced fit - a versatile position for long rides and faster efforts. Based on full geometry data.

What drives the fit flexibility here: Standard cockpit parts make it simpler to fine-tune your position over time, The front-end is easier to work on, supporting fit tweaks over time, and From the seatpost text provided, there are no strong constraints or bonuses. So we classify it as Adjustable.

This scores 6.3/10 for comfort, so it feels easygoing over rough patches out on the road. That’s why it’s labeled Race-Stiff. The posture is neutral (posture 5/10), which keeps it balanced — not overly aggressive, not overly relaxed.

This is the kind of deal people usually notice quickly. 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 parts list, it’s roughly 43% 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 100% of listings. Quick reference: €2.121 listed versus about €3.728 for a comparable build. A few manufacturer details aren’t clearly published, so treat this as a best-effort estimate, not a precise verdict. Bottom line: you’re getting a lot of bike for the money compared with typical options.

This bike is best for smoother trails where speed and efficiency matter. It has about 120 mm of suspension travel (how much it absorbs bumps), which suits smoother trails. The Hardtail setup supports this riding style.