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The "Cairon S 4.0 Trapez" model from Conway, launched in 2024, is a high-quality e-bike available for 3,999 EUR. The bike’s frame is made of aluminium and features a trapezoidal design, ensuring a comfortable ride. With a maximum load capacity of 130 kg and a kerb weight of 23 kg, the bike provides a solid foundation for a variety of uses.
The braking system comprises TEKTRO “T-390” components, including the brake levers and 180 mm diameter brake discs at the front and rear, ensuring reliable braking performance. The drivetrain is a 12-speed SRAM “SX” system with an “Eagle Trigger” shifter, which enables precise gear changes.
The RST “Blade Air TNL” fork, with 120 mm of travel, provides comfortable suspension on uneven terrain. The drivetrain is powered by the BOSCH Gen.4 “Performance CX” mid-drive motor with 250 W of power and a voltage of 36 V, whilst the BOSCH “Powertube 750” battery, with a capacity of 750 Wh, ensures an impressive range. The BOSCH “Kiox 300” display offers intuitive control with four assistance levels and a push-assist function.
The bike is fitted with a MIRANDA “Classic Gen4” crankset and an SRAM “Gen4 Eagle DM B” chainring, which, together with the SRAM “PG 1210 Eagle” sprockets, ensure efficient power transfer. The handlebars are CONWAY “Riser” with a diameter of 31.8 mm and a width of 720 mm, whilst the stem is also from CONWAY and has a length of 75 mm.
The wheels are fitted with RODI “Ready 30” rims and SCHWALBE “Tough Tom” tyres in size 60-622, which provide good traction and stability. The hubs are by FORMULA, with the front hub being the “DC 511” model and the rear hub the “eHL-148 S” model.
The SELLE ROYAL “Vivo Athletic Ergo” saddle offers comfort on longer rides, whilst the CONWAY Patent seatpost, with a diameter of 31.6 mm and a length of 350 mm, ensures adjustability. Overall, the Cairon S 4.0 Trapez offers a balanced combination of performance, comfort and technology, making it an attractive choice for e-bike enthusiasts.
| Front brakes | TEKTRO "T-390" |
| Brakes | TEKTRO "T-390" |
| Front brake disc | TEKTRO "TR180-17 2.3"", 180 mm |
| Rear brake disc | TEKTRO "TR180-17 2.3"", 180 mm |
| Brake levers | TEKTRO "T-390" |
| Frame | CONWAY Intube Bosch, Aluminium Trapezoid 41 cm |
| Drivetrain | 12-speed SRAM "SX" |
| Shift levers | SRAM "SX Eagle Trigger", single-click |
| Number of gears | 12 |
| Fork | RST "Blade Air TNL", 120 mm |
| Fork travel (mm) | 120 |
| Bottom bracket | BOSCH |
| Crankset | MIRANDA "Classic Gen4", 165 mm |
| Sprocket | SRAM "Gen4 Eagle DM B", 36 t., with SRAM "PG 1210 Eagle" cassette, 11–50 t. |
| Drive | SRAM "SX Eagle" |
| Headset | ZS56 / ZS56, Blocklock |
| Handlebar | CONWAY "Riser", Ø 31.8, 720 mm |
| Grips | CONWAY "Sport" |
| Stem | CONWAY, 31.8 mm, 75 mm |
| Saddle | SELLE ROYAL "Vivo Athletic Ergo", Da |
| Seatpost | CONWAY Patent, 31.6 mm, 350 mm |
| Rims | RODI "Ready 30" |
| Tires | SCHWALBE "Tough Tom", 60-622 |
| Front tire | SCHWALBE "Tough Tom", 60-622 |
| Rear tire | SCHWALBE "Tough Tom", 60-622 |
| Front hub | FORMULA "DC 511", 15 x 110 mm |
| Rear hub | FORMULA "eHL-148 S", 12 x 148 mm |
| Spokes | Niro |
| Pedals | VP "VPE-506" |
| Motor manufacturer / model | BOSCH Gen. 4 "Performance CX" mid-drive motor, 36 V, 250 W |
| Display | BOSCH, "Kiox 300", 4-speed, remote control, push assist |
| Battery | BOSCH "Powertube 750", lithium-ion with BMS, 750 Wh |
| Battery capacity (Wh) | 750 |
| Charger | Bosch 4 Ah |