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The 2023 i:SY Speed N3.8 ZR is a high-quality e-bike which, at a price of 5,799 EUR, is positioned in the upper price bracket. It impresses with its well-thought-out design and the use of top-class components. The frame features the original i:SY compact design with a height of 47 cm and is designed as a unisex model. With a maximum load capacity of 150 kg, it is robust enough to carry even heavier loads.
The Speed N3.8 ZR’s braking system comprises MAGURA MT4N hydraulic 2-piston disc brakes, fitted with 3-finger brake levers. The brake discs measure 180 mm at the front and 160 mm at the rear, ensuring reliable and powerful braking performance. Gear changes are controlled via the continuously variable Enviolo HD hub gear system, operated using the ENVIOLO Twist Display Pro gear lever. This allows for smooth and precise adjustment of the gear ratio whilst riding.
The fork is an original i:SY compact rigid fork, which ensures stability and control. For lighting, the bike is fitted with a SUPERNOVA M99 Mini Pro-45 front light with high beam and a SUPERNOVA M99 tail light, ensuring optimum visibility in road traffic. The i:SY anti-slip folding pedals and the i:SY e-bike 160 mm crankset with a 22T sprocket contribute to the efficiency of the drivetrain, which is powered by a Gates CDX Centretrack toothed belt.
The handlebars are i:SY handlebars with a 30° angle, complemented by ergonomic ERGON GC10 grips for a high level of comfort. The stem measures 70 mm and the headset is also from i:SY. The RYDE Andra 40 Disc rims with SHIMANO Deore HB-M6000 hubs and 32 Niro spokes ensure a stable and durable wheel construction. The SCHWALBE Pick Up tyres, with their Super Defence technology and size 60-406, offer excellent grip and puncture protection.
The ZECURE Trekking saddle with Hydro Foam in size L and the i:SY seatpost, measuring 415 mm in length and 34.9 mm in diameter, provide additional comfort on longer rides. SKS Bluemels mudguards, 65 mm wide, protect against splashing water, whilst the HORN Catena chain guard protects the toothed belt from dirt. The PLETSCHER Kickstand Comp40 Flex ensures the bike stands securely.
An ABUS 4750L NR frame lock provides protection against theft, whilst the i:SY Carrier MonkeyLoad ready luggage rack opens up versatile transport options. The Speed N3.8 ZR is powered by a BOSCH Performance Line Speed motor with an output of 250 W at 36 V. The accompanying BOSCH PowerPack battery has a capacity of 725 Wh (20.2 Ah) and is charged using a BOSCH Standard Charger 4 A. The BOSCH Kiox 300 display provides all key riding information at a glance. In summary, the i:SY Speed N3.8 ZR offers a combination of performance, comfort and safety that makes it an excellent choice for discerning e-bike riders.
| Brakes | MAGURA MT4N, hydraulic 2-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 HD 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 | ERGON GC10 ergonomic handles |
| Stem | i:SY stem 70mm |
| Saddle | ZECURE Trekking, Hydro Foam size L |
| Seatpost | i:SY seatpost, 415 mm, ⌀ 34.9mm |
| Rims | RYDE Andra 40 Disc, 32 H |
| Tires | SCHWALBE Pick Up, Super Defence, 60-406 |
| Spokes | 32x stainless steel 2.0 mm |
| Pedals | i:SY anti-slip folding pedal |
| Front light | SUPERNOVA M99 Mini Pro-45, with high beam |
| Rear light | SUPERNOVA M99 Tail 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 Speed, 36V / 250 W |
| Display | BOSCH Kiox 300 |
| Battery | BOSCH PowerPack 725, 36V, 20.2 Ah |
| Battery capacity (Wh) | 725 |
| Charger | BOSCH Standard Charger 4 A |