🚲 Overview & Specs
The TTGO ZZ‑28ST is a city‑focused, step‑through e‑bike with a 250 W mid‑drive Bafang motor, reaching up to 25 km/h, ideal for urban commutes. It’s powered by a 36 V 20 Ah lithium battery, offering an impressive 110–180 km range in pedal‑assist mode.
It rides on 700C × 45C Kenda tires with a front suspension fork, ensuring comfort across varied surfaces. Shifting is handled by a Shimano 9‑speed drivetrain, and braking is via hydraulic disc brakes for strong stopping power. A clear LCD display shows speed, battery level, gear, and trip stats.
🔧 Key Specifications
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Motor: 250W Bafang mid-drive motor
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Battery: 36V 20Ah lithium battery
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Range: Up to 160–180 km per charge
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Top Speed: 25 km/h (EU regulation)
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Tires: 700C x 45C Kenda tires
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Brakes: Hydraulic disc brakes
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Gearing: Shimano 9-speed derailleur
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Display: LCD with 5-level pedal assist
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Weight: Approximately 29 kg
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Frame: Aluminum alloy
⚙️ Performance & Ride Experience
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Smooth and responsive mid‑motor: Delivers around 70 Nm torque, ideal for urban rides and light inclines.
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Exceptional range: Up to 110–180 km in pedal‑assist, making long commutes or weekend trips easy.
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Comfortable ride quality: Suspension fork and wide tires absorb road imperfections; hydraulic brakes ensure reliable stopping.
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User-friendly controls: LCD with 5‑level assist modes; Shimano gears allow efficient hill‑climbing.
👍 Pros & 👎 Cons
✅ Pros
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Long battery life (110–180 km range)
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Smooth, consistent mid‑motor power
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High‑quality components: Shimano, hydraulic discs, suspension
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Comfortable and stable ride
⚠️ Cons
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Heavier build (~29 kg)
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Top speed capped at 25 km/h (EU regs)
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Longer charging time (7–8 hours)
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Higher price point (~€999–€1,399)
🧭 Who It’s For
A versatile choice for urban commuters and weekend riders who want reliability, comfort, and extended range. Especially well-suited for those who prioritize quality components and long-distance performance over lightness or speed.Importantly, the TTGO ZZ-28ST fully complies with European Union e-bike regulations, including power and speed limits, ensuring legal and safe use across EU countries.
✅ Final Verdict
The TTGO ZZ‑28ST (C7) delivers a balanced package of smooth mid-drive power, long-range battery, and premium build quality, making it a standout in the city e-bike category. It's ideal for those seeking reliable daily transport with extra range for weekend adventures.
