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Ristretto 512 A20: Compact Power, Maximum Control
Lightweight. Powerful. Precision-built.
The Ristretto 512 A20 isn’t just an electric bike; it’s a high-performance machine designed for riders who want nimble, confident handling. Built on a balanced 20″ geometry with a lightweight aluminum chassis, the 512 A20 delivers precise control across technical trails and urban streets alike.
At ~72 kg (159 lb), it maintains a responsive power-to-weight ratio that makes it agile yet stable, perfect for riders who prefer a more compact footprint without sacrificing performance.
Technical Specifications
| Feature | Performance Data |
|---|---|
| Motor | 4,500 W Peak Mid-Drive (Street & Race Modes) |
| Battery | 1550 Wh Samsung 21700 (Integrated AirTag Slot) |
| Top Speed | 40 mph (Race Mode) |
| Range | ~100 Miles (Pedal Assist) / 45+ Miles (Throttle) |
| Braking | Tektro Auriga Hydraulic (203 mm Front / 180 mm Rear) |
| Durability | IP65 Weather-Rated |
| Interface | 3.5″ Full-Color TFT with Bluetooth |
| Charge Time | ~8 Hours |
Why the 512 A20?
The 512 A20 offers the same high-performance Ristretto experience in a more compact, agile package. With a responsive 20″ wheelbase, versatile ride modes, and reliable components, it’s engineered for riders who want speed, control, and efficiency in a smaller footprint—perfect for trails, tight paths, or urban adventures.
The Ristretto 512 A20 delivers serious electric performance with a 48V–60V system and a 4,500 W peak mid-drive motor. Power is strong yet smooth, with high torque for responsive acceleration, controlled throttle delivery, and adjustable pedal-assist modes to match your riding style. Built for efficiency, durability, and precision, the 512 A20 feels confident whether you’re carving tight trails or cruising city streets.
Engineered for agility and strength, the Ristretto 512 A20 features a lightweight, durable aluminum frame built for high performance without extra weight. Combined with front and rear suspension and its 20" wheel geometry, the bike handles technical trails, tight turns, and rough terrain with confidence and precise control.
The Ristretto 512 A20 reaches speeds up to 40 mph in race mode, powered by its high-torque mid-drive motor. Whether you’re navigating tight trails or cruising city streets, the 512 A20 delivers smooth, responsive acceleration with controlled power and precise handling—keeping every ride agile, confident, and fun.
Range matters, and the Ristretto 512 A20 is built for it. Its Catalina 1550 Wh Samsung 21700 battery delivers up to ~100 miles on pedal-assist (~45+ miles throttle-only). The integrated design keeps the bike balanced and efficient—while it’s not hot-swappable, the ~8-hour charge time gets you back on the trail with minimal downtime.
High-Torque Mid-Drive Motor – Powerful motor tuned for strong acceleration and smooth, controlled power delivery.
4,500 W Peak Output – Delivers responsive acceleration and impressive top-end speed.
High Torque – Provides confident mid-range power for quick starts and strong performance on varied terrain.
Advanced Controller – Smooth throttle response, efficient power delivery, and quiet operation.
Precision Sensors – Optimized for durability and accurate motor feedback.
Durable Drivetrain – Sturdy, responsive system built for reliability and a smooth ride.
Catalina 1550 Wh Lithium-Ion Battery – High-capacity battery built for consistent power and extended range.
Samsung 21700 Cells – Reliable, long-lasting cells for efficiency and durability.
Integrated Battery Design – Seamlessly built into the frame for balance and stability (not hot-swappable).
Charging Time – Around ~8 hours with the included charger.
Estimated Range – Up to ~100 miles on pedal-assist (~45+ miles throttle-only), depending on speed, terrain, and rider weight.
Stock Wheelset
Front: Milehigh M20 EV+ 20"
Rear: Milehigh M20 EV+ 20"
Wheel type: sturdy fat-wheel setup
Optional Upgrades
The 512 A20 can accommodate aftermarket wheels or tires for specialized riding, but the stock fat-wheel configuration is optimized for stability, traction, and control across trails, soft surfaces, and mixed terrain.
Hydraulic Disc Brakes – Tektro Auriga hydraulic discs provide strong, reliable stopping power with smooth modulation for control in all conditions.
Brake Rotors – 203 mm front, 180 mm rear, sized for consistent performance on trails and technical terrain.
Suspension Setup –
Front travel: 160 mm (DNM USD‑8FAT fork)
Rear travel: up to 40 mm (dual DNM MK‑AR shocks)
Balanced for stability, traction, and comfort across varied terrain.
Frame & Geometry – Lightweight aluminum frame with 20" wheels and compact geometry for responsive, confident handling.
4 Selectable Regen Levels – Adjustable regenerative braking that recovers energy while providing smooth, predictable deceleration and enhanced control across all riding conditions on the Ristretto 512 A20
Approx. 72 kg (159 lb) Total Weight – Lightweight yet sturdy, easy to handle on trails and varied terrain.
Seat Height: 860 mm (33.9 inches) – Balanced for control and comfort.
Max Rider Weight: 120 kg (265 lb) – Engineered to carry heavier riders confidently.
Available Finishes – Magnetic Silver and other options depending on dealer stock.
Built for Reliability – Crafted with high-quality components and engineering for long-lasting performance on the Ristretto 512 A20.
TFT Display + Ride Modes – 3.5-inch full-color TFT display showing speed, battery level, ride mode, and system info, with Bluetooth connectivity for app-based customization.
Integrated Lighting – Front and rear LED lights for visibility and safety on trails and in low-light conditions.
Master Key System – Uses the secure Ristretto Master Key to lock and unlock the bike and battery.
Speed Limiter – Factory-limited top speed depending on local regulations and selected ride mode.
Off-Road & Street Modes – Street-legal Class 2 mode for on-road use; race mode intended for private property or off-road riding. Riders should follow local laws and regulations for safe use on the Ristretto 512 A20.
MX Wheelset Upgrade – Available for an additional cost, professionally installed for enhanced off-road performance on the Ristretto 512 A20.
Pedal Kit Upgrade – Optional pedal kit lets riders add versatility for mixed riding styles.
Premium Pedals – Carbon fiber or titanium pedals offered as add-ons for reduced weight and increased durability.
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