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The 2023 i:SY S8 K model is a compact e-bike renowned for its versatility and robust construction. The frame is an original i:SY Kompakt 47 cm unisex model, which supports a maximum load of up to 150 kg. This stability is complemented by the high-quality components fitted to this bike.
Braking performance is provided by TEKTRO HD-T280 hydraulic 2-piston disc brakes with a 3-finger brake lever. The brake discs measure 180 mm at the front and 160 mm at the rear, ensuring reliable braking power. The gear system consists of a SHIMANO Claris 8-speed groupset with Rapidfire Plus shifters, which allow for precise and easy gear selection.
The i:SY S8 K is fitted with an original i:SY rigid compact fork and features powerful lighting with the FUXON FF-100HB front light, which provides 100 lux and has a high-beam function. The rear light is a FUXON R-Glow S LED model, which ensures good visibility.
The pedals are i:SY anti-slip folding pedals, which, together with the 160 mm i:SY e-bike crankset and the KMC e8 Sport EPT drive, ensure efficient power transfer. The sprocket set has a gear ratio of 11–34T, allowing for flexible adaptation to different riding conditions.
In addition, the bike features ergonomic ERGON GP10 grips and an i:SY handlebar with a 30° angle, which enhances comfort on longer rides. 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 SCHWALBE Pick Up tyres offer stability and reliability on a variety of surfaces.
The saddle is a ZECURE Trekking model with Hydro Foam in size L, mounted on an i:SY seatpost measuring 415 mm in length and 34.9 mm in diameter. SKS Bluemels mudguards, 20 inches wide, ensure the rider stays clean even in bad weather. A HORN Catena chain guard protects clothing from getting dirty from the chain.
The bike is fitted with a PLETSCHER Comp40 Flex kickstand, which ensures it stands securely. An ABUS 4750L NR frame lock provides additional protection against theft. The i:SY Carrier is MonkeyLoad-ready, meaning it is designed to accommodate luggage rack accessories.
The bike is powered by a BOSCH Performance Line motor with an output of 250 W at 36 V. The accompanying BOSCH PowerPack battery has a capacity of 545 Wh (15.2 Ah) and is controlled via the BOSCH Intuvia 100 display. The charger is a BOSCH Compact Charger with a charging current of 2 A.
The price of the i:SY S8 K model is 3,999 EUR, making it a high-quality choice for anyone looking for a reliable and well-equipped e-bike.
| Brakes | TEKTRO HD-T280, 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 | SHIMANO Claris 8-speed, |
| Shift levers | SHIMANO Claris Rapidfire Plus |
| Number of gears | 8 |
| Fork | Original i:SY compact rigid fork |
| Crankset | i:SY e-bike crank 160mm |
| Sprocket | 11–34T |
| Drive | KMC e8 Sport EPT |
| Headset | i:SY headset |
| Handlebar | i:SY handlebars 30° |
| Grips | ERGON GP10 ergonomic grips |
| 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 | 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 Compact Charger 2 A |