Technical parameters of Yamaha drive unit:
Features
- Integrated forming
- Simple stable construction
- Reliable
- Big comfort feeling
- Great range
- Ensuring big assist torque

The battery, the electric motor & the motor controller as well the torque sensor is located in the centre around the bottom bracket which creates a low centre of gravity and compact design.

- Voltage of the electric system 25.9V
- Power of sensored motor in charge for assisting driving. 250W
- Degree of electric assist is controlled by the torque sensor
- Power supply is ensured by Li-ion battery with big energy density
- Battery capacity 8.2Ah
- Battery weight 1900g
- Power level of the battery is showed on the display on it
- Battery Recharge 2-3 hours
- BMS (battery management system)
- The battery is secured to the frame by a locking system that uses a key
- Battery Replacement £265

Shown on the display on the handlebar
- Main switch
- Actual power level of the battery
- Button selected manually for assist level to actual land features
- The system does it by itself in Auto Eco Mode increasing our feeling of comfort and making the range 30 – 50% higher
- Electric system turns off automatically after 5 minutes of inactivity
- Maximum range with an average rider of 80Kg is 50 – 80km
- Electronic assist turns off over 25km/h

Other bike specs:
Derailleur system: 8 speed in-hub SHIMANO INTER with twist-grip slector
Forks: RST Mara T8 telescopic front fork with 170mm travel
Tyre: Schwalbe 28” Terra cruiser 42-622 HS 329 with reflective wall
Saddle: Gel-filled Selle ROYAL FREETIME
Seat post: Sprung and dampened
Carrier: Mass load alloy carrier with straps & pump
Grip: Vello comfort agronomical
Kickstand: Mass load adjustable alloy for chain stay
Dynamo: Shimano ADH3R30DN 3W/6V integrated into front hub
Stem: Gepida alloy, manually adjustable
Handlebars: Aluminium alloy NR-AL14 595MM, with tool-less quick release mechanism
Brake leaver: Gepida alloy
Brake set: Low maintenance SHIMANO KBRIM41 roller brakes front and rear
Weight: 24.50Kg
Security Step 1 Mechanical: DEFENDER rear wheel lock