Meet the Cyrusher Asuka Ultimate Trekking Electric Bike Companion
Designed for riders who demand both comfort and performance, the Cyrusher Asuka Electric Bike is a premium trekking Electric bike built to make everyday commutes and extended journeys feel effortless and exhilarating. Whether you're navigating busy city streets or exploring scenic trails, the Asuka is engineered to deliver the perfect balance of power, style, and ergonomics.
Sleek, Step-Thru Frame
The Asuka is step-thru frame allows easy mounting and dismounting, enhancing accessibility for riders of varying flexibility and preferences. Despite its ease of access, the frame packs a robust 6061 aluminum alloy construction, offering durability without unnecessary heft.
Efficient Powertrain Motor
Equipped with a 250 W Bafang brushless hub motor, the Asuka provides dependable, road-legal assistance with up to 50 N·m of torque. A built-in torque sensor ensures intuitive pedal assistance. The bike responds to your own effort, giving you a smooth, natural-feel ride whether you’re climbing, cruising, or accelerating.
Long-Range Battery
The Asuka comes with a 36 V 14 Ah battery, delivering a real-world range of up to 100–120 km (under ideal riding conditions). Charging takes about 5–6 hours, and the battery is rated for around 800 full cycles enough to handle years of consistent use.
Performance & Safety Features
The Asuka e‑bike is designed with a strong focus on performance and safety, ensuring a smooth and secure ride in a variety of conditions. It features hydraulic disc brakes that provide reliable and responsive stopping power, giving riders confidence whether navigating wet streets or steep descents.
The Shimano 10-speed drivetrain offers precise and versatile gearing, allowing you to easily tackle inclines, flats, and varied terrain with efficiency and control. For enhanced visibility and safety, the bike is equipped with a bright front LED headlight and an automatically synced rear light, making early morning or low-light rides safer.
Comfort is a priority as well, with smooth-rolling 700C tires and a front air suspension fork that absorbs bumps and uneven surfaces, creating a more enjoyable riding experience. Additionally, the Asuka comes commuter-ready with a full suite of practical accessories, including front and rear fenders, a sturdy rear rack, a kickstand, and an integrated lighting system, allowing you to ride confidently and conveniently straight out of the box.
Rider Compatibility & Load Capacity
-
Rider Height Range: Designed to comfortably accommodate riders from approximately 170 cm to 200 cm (5’7″ to 6’6″).
-
Weight & Payload: The bike weighs around 22 kg without battery (plus ~2.9 kg for the battery) and supports a maximum payload of 150 kg (≈ 350 lb), making it suitable for riders carrying luggage or cargo.
Comfort Meets Usability
Between the step-thru geometry, suspension fork, and ergonomic design, this bike places rider comfort front and center. Whether you’re hopping on for errands or embarking on weekend adventures, the Asuka makes every ride more inviting.
Smart Assist System
Not all e-bikes feel the same when pedaling. Thanks to the integrated torque sensor and Bafang motor, the Asuka enhances your natural pedaling rather than overpowering it. The result: a ride that feels like a well-matched partner rather than a mechanical push.
Versatility Built-In
The Asuka is primed for both urban commuting and light touring. The included fenders, rack, and lights let you ride straight out of the box, rain or shine. Need to carry gear? The bike’s payload capacity and travel-friendly geometry make it easy. Want to customize? A range of accessory kits (cargo, camping, commuter) lets you adapt the Asuka to your lifestyle.
From commuting through city streets to embarking on multi-day rides, the Asuka is built to listen to what the rider wants and deliver performance in return. With smart assist dynamics, a comfortable ride posture, and a component set built for reliability, this trekking e-bike is ready to be the one you depend on day in, day out.











Specifications
| Brand |
Cyrusher |
| Model Name |
Asuka Trekking E-Bike (Step-Thru) |
| Frame |
6061 Aluminum Alloy with internal battery |
| Frame Style |
Step-Thru |
| Battery |
36 V, 14 Ah (LG) |
| Charger |
36 V, 3.0 A |
| Battery Charge Time |
5–6 hours |
| Battery Lifetime |
~800 charge cycles |
| Motor |
250 W Bafang brushless rear hub (50 N·m torque) |
| Speed Class |
Up to 25 km/h (on level 5 PAS) |
| Range |
Up to 100–120 km |
| Weight (without battery) |
22 kg |
| Battery Weight |
2.9 kg |
| Payload Capacity |
150 kg (≈ 350 lbs) |
| Tires |
Chaoyang 700C × 45C |
| Display |
DZ45 embedded OLED display |
| Brakes |
Hydraulic disc (Shimano MT200 + 160 mm rotors) |
| Drivetrain / Gears |
Shimano 4700, 10-speed |
| Crankset |
44T alloy dual-side aluminum |
| Front Suspension |
Air suspension fork |
| Rear Suspension |
None |
| Kickstand |
6061 aluminum kickstand |
| Rims / Wheels |
Aluminum alloy rims |
| Saddle |
Breathable ergonomic sport cushion seat |
| Sensor |
Torque sensor |
| Lights |
Front LED light; Rear light (integrated) |
| Warranty |
Frame: 2 years; Parts: 1 year; Battery: 1 year |
| Recommended Rider Height |
170 cm – 200 cm (5′7″ – 6′6″) |
| Frame Size / Fit (Step-Thru) |
Reach: 15.5″ / 39.5 cm; Standover: 22.8″ / 58 cm; Wheelbase: 42.7″ / 108.5 cm; Total Length: 71.1″ / 180.5 cm; Min Saddle Height: 31.7″ / 80.5 cm; Max Saddle Height: 37.4″ / 95 cm; Handlebar Height: 43.3″ / 110 cm |