Cyrusher Asuka – Step Thru Trekking Electric Bike

The Cyrusher Asuka is a premium step thru trekking electric bike designed for long-distance comfort, efficient commuting, and smooth touring rides. With a high-capacity Samsung battery, reliable Bafang motor, and a precise Shimano 10-speed drivetrain, it delivers the performance and reliability needed for extended journeys. Upright ergonomics, road-optimised tires, and a fully equipped frame make the Asuka ideal for both city travel and long-haul adventures. Available in Black, Orange, and Blue.

Key features

• Step thru 6061 aluminium frame for accessibility and comfort on long rides
• 36 V 250 W Bafang brushless rear hub motor with 50 N·m torque for reliable power delivery
• Torque sensor pedal assist for smooth, natural, and efficient riding
• 36 V 14 Ah Samsung battery with up to 75 miles or 120 km range depending on terrain and assist level
• Shimano 4700 10-speed drivetrain for precise gear changes across varied inclines
• Shimano MT200 hydraulic disc brakes with 160 mm rotors for controlled stopping in all conditions
• Chaoyang 700C x 45C road tires for efficient rolling and minimal resistance on paved surfaces
• Air suspension fork for added comfort on longer rides
• DZ45 embedded OLED display for speed, battery, and distance tracking
• Integrated LED headlight and automatic rear light for safety and visibility
• Equipped with front and rear fenders and a sturdy rear rack for daily commuting or touring needs

Who this bike is for

The Cyrusher Asuka is designed for riders who value endurance, comfort, and versatility. It’s ideal for daily commuters, touring cyclists, and anyone who enjoys longer rides on paved roads. The combination of a step thru frame, upright riding geometry, and a wide gear range makes it a great choice for riders seeking efficient city travel and extended weekend tours.

Size and fit

• Frame size: 15.5 in / 39.5 cm
• Reach: 22.8 in / 58 cm
• Standover height: 42.7 in / 108.5 cm
• Wheelbase: 71.1 in / 180.5 cm
• Total length: 43.3 in / 110 cm
• Minimum saddle height: 31.7 in / 80.5 cm
• Maximum saddle height: 37.4 in / 95 cm
• Recommended rider height: 5 ft 7 in to 6 ft 6 in (170 cm to 200 cm)

Technical specifications

Electrical
• Battery: 36 V 14 Ah Samsung
• Charger: 36 V 3.0 A
• Charging time: 5 to 6 hours
• Battery lifetime: 800 cycles
• Speed class: Up to 25 kph on Level 5 PAS
• Weight without battery: 48.5 lbs / 22 kg
• Battery weight: 6.4 lbs / 2.9 kg
• Range: Up to 75 miles / 120 km
• Motor: 36 V 250 W Bafang brushless rear hub motor, 50 N·m torque
• Payload capacity: 350 lbs

Mechanical
• Tires: Chaoyang 700C x 45C
• Display: DZ45 embedded OLED smart computer
• Brakes: Shimano MT200 hydraulic disc brakes, 160 mm rotors
• Crank set: 44T alloy dual sided aluminium
• Derailleur: Shimano 4700 10 speed
• Front fork: Air suspension
• Frame: 6061 aluminium alloy with internal battery
• Kickstand: 6061 aluminium
• Rims: Aluminium alloy
• Saddle: Breathable ergonomic sport cushion seat
• Sensor: Torque sensor
• Front light: Yes
• Rear light: Yes

Warranty and included items

• Frame: 2 years
• Parts: 1 year
• Battery: 1 year

Warranty terms: Applies only to the original owner. Covers replacement of defective parts. Cyrusher covers replacement cost, buyer covers shipping cost.

Note: Range will vary based on rider weight, terrain, assist level, and weather conditions. Figures are based on typical use.