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Upstreet4 | FLYER E-Bikes

The marathon athlet.

The Upstreet4 just keeps on going. With a choice of two batteries and a battery capacity of up to 1125 Wh, the sporty commuter and touring bike is setting new records in terms of range. Equipped with the most powerful Bosch drive of the latest generation and premium features, this high-end bike is designed for frequent riders and discriminating e-bikers. The highest level of comfort is guaranteed over long distances by the comfortable sporty seating position and the frame designed for smooth riding. The Upstreet4 also sets standards in terms of safety: the Bosch e-bike ABS, which is available as an option, allows more controlled and
more stable braking even in difficult conditions. The Upstreet4 is also available as a high-speed version with pedal assist of up to 45 km/h for speedy commuting.

Price: from EUR 3'999.00

Bosch Performance Line CX (25 km/h)

The most powerful drive from Bosch for ambitious riders is particularly lightweight and compact and has minimal pedal resistance. In eMTB Mode, the rider receives the required power at precisely the right moment. The Performance Line CX accelerates extremely powerfully, responds without delay and features convincing agile handling and even more control. With up to 340 % of perfectly delivered support, it pushes the joy of e-biking to the max.

Bosch Performance Line Speed (45 km/h)

The new Bosch Performance Line Speed drive unit speeds up daily routines with even more power and supports e-bikes with a maximum torque of 75 Nm and up to 45 km/h. The powerful motor enables high speeds to be reached quickly and long distances can be covered with ease. Weighing only 2,9 kg, this new compact and lightweight drive unit improves the agility and handling of the e-bike.

Bosch Kiox on-board computer (optional)

The Kiox on-board computer is the perfect training partner for ambitious riders: robust, small and compact, but in a clear, stylish design. You can keep track of the battery charge level, as well as your speed, heart rate and performance. The magnetic holder allows for speedy installation, as well as a firm hold.

Dual Battery (optional)

In addition to the integrated 500 Wh PowerTube battery, a second 500 Wh battery can be added to the Upstreet4. This means double the battery capacity and double the range so that on extremely long tours you don't need to worry about the range and can enjoy your freedom to the full.

Bosch e-bike ABS (optional)

The Bosch e-bike ABS allows more controlled and more stable braking. During difficult braking manoeuvres, front brake pressure is regulated, which stabilises the riding situation. The intelligent combination of front wheel ABS and rear wheel lift control enhances safety and guarantees optimised riding stability and manoeuvrability.

Geometries and instructions