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The "N3.8 ZR B" model from i:SY from 2023 is a compact and versatile e-bike that is characterised by its high-quality equipment and well thought-out design. The frame consists of the original i:SY compact 47 cm unisex design, which enables a permissible total weight of 150 kg. It is equipped with a powerful BOSCH Performance Line motor, which operates at a voltage of 36V and an output of 250W. The associated BOSCH PowerPack battery has a capacity of 545 Wh and ensures long-lasting support over longer distances. It is charged using the BOSCH Standard Charger 4 A charger.
The braking system of the N3.8 ZR B consists of TEKTRO HD-T532 hydraulic 4-piston disc brakes, which are operated with a 3-finger brake lever. The front brake disc has a diameter of 180 mm, while the rear brake disc measures 160 mm, ensuring reliable braking performance. Shifting is provided by the continuously variable Enviolo TR hub gears, which can be operated via the ENVIOLO Twist Display Pro shift lever. The drive is provided by a durable Gates CDX Centertrack toothed belt, which is combined with a 22T sprocket.
The e-bike has an original i:SY Kompakt rigid fork and is equipped with an i:SY handlebar with a 30° angle. The Velo leather grips in classic brown and the ZECURE Urban leather saddle complete the stylish design. The wheels are fitted with RYDE Andra 40 disc rims and SCHWALBE Super MotoX tyres with brown sidewalls, which ensure a comfortable ride.
Lighting is provided by the FUXON FF-100HB front light with 100 lux LED and high beam and the FUXON R-Glow S LED rear light. Other features include i:SY anti-slip folding pedals, an i:SY stem with a length of 70 mm and an ABUS frame lock 4750L NR for increased security. The i:SY Carrier rack is MonkeyLoad ready and offers practical transport options.
The e-bike is equipped with SKS Bluemels mudguards, which are 65 mm wide and provide protection in bad weather. The HORN Catena chain guard protects the drive unit, while the PLETSCHER Kickstand Comp40 Flex stand ensures stability. The price of the i:SY N3.8 ZR B is EUR 4699, which is an attractive offer considering the high-quality components and well thought-out equipment.
| Brakes | TEKTRO HD-T532, hydraulic 4-piston disc brake |
| Front brake disc | 180mm |
| Rear brake disc | 160mm |
| Brake levers | 3-finger brake lever |
| Frame | Original i:SY Compact 47 cm Unisex |
| Drivetrain | Enviolo TR continuously variable hub gears |
| Shift levers | ENVIOLO Twist Display Pro |
| Fork | Original i:SY compact rigid fork |
| Crankset | i:SY e-bike crank 160mm |
| Sprocket | 22T |
| Drive | Gates CDX Centertrack timing belt |
| Headset | i:SY headset |
| Handlebar | i:SY handlebars 30° |
| Grips | Velo leather grips, classic brown |
| Stem | i:SY stem 70mm |
| Saddle | ZECURE Urban, leather saddle, classc-brown |
| Seatpost | i:SY seatpost, 415 mm, ⌀ 34.9mm |
| Rims | RYDE Andra 40 Disc, 32 H |
| Tires | SCHWALBE Super MotoX, brown sidewall, 62-406 |
| Spokes | 32x stainless steel 2.0 mm |
| Pedals | i:SY anti-slip folding pedal |
| Front light | FUXON FF-100HB, 100 lux LED with high beam |
| Rear light | FUXON R-Glow S LED rear light |
| Mudguards | SKS Bluemels 20 inch, width 65mm |
| Kickstand | PLETSCHER Kickstand Comp40 Flex |
| Rack | i:SY Carrier MonkeyLoad ready |
| Motor manufacturer / model | BOSCH Performance Line, 36V / 250 W |
| Display | BOSCH Intuvia 100 |
| Battery | BOSCH PowerPack 545, 36V, 15.2 Ah |
| Battery capacity (Wh) | 545 |
| Charger | BOSCH Standard Charger 4 A |