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The "Cairon S 2.0 625 Diamant" model from Conway, released in 2024, is a high-quality e-bike designed for a wide range of uses. The frame is made of aluminium and features a diamond shape with a seat tube length of 45 cm. With a maximum load capacity of 130 kg and a kerb weight of 24 kg, the bike provides a solid foundation for both everyday use and sporty rides.
At the heart of the drive system is the fourth-generation BOSCH mid-drive motor, the “Performance CX”, which operates at a voltage of 36 V and a power output of 250 W. The accompanying BOSCH “Powertube 625” battery, with a capacity of 625 Wh, ensures long-lasting assistance and is controlled via the BOSCH “Intuvia 100” display, which offers four assistance levels and a push-assist function.
Safety and control are ensured by the TEKTRO “HD-M280” hydraulic disc brakes, which are fitted with 180 mm brake discs at both the front and rear. The drivetrain features a 9-speed TEKTRO “M350”, which, in combination with the MIRANDA “Gen4” chainring (36 teeth at the front) and the TEKTRO “CS-M350” 11–46 teeth at the rear, enables precise gear selection.
The RST “Blaze ML” fork, with 120 mm of travel, ensures comfort on uneven terrain. The CONWAY “Riser” handlebars, with a diameter of 31.8 mm and a width of 720 mm, offer a comfortable riding position, whilst the SELLE ROYAL “Vivo Athletic Ergo” saddle provides additional comfort.
The wheels are fitted with robust CONWAY “X18” hollow-section rims and SCHWALBE “Tough Tom” tyres in size 60-622, which provide good traction at both the front and rear. The SHIMANO “HB-TX505” front and “FH-TX505” rear hubs offer reliable performance and durability.
Priced at 3299 EUR, the Cairon S 2.0 625 Diamant represents an attractive proposition, impressing with its well-thought-out specification and tried-and-tested Bosch technology. This model is suitable for both everyday use and longer tours, offering a balanced blend of performance, comfort and reliability.
| Front brakes | TEKTRO "HD-M280" |
| Brakes | TEKTRO "HD-M280" |
| Front brake disc | TEKTRO "TR180-35", 180 mm |
| Rear brake disc | TEKTRO "TR180-35", 180 mm |
| Brake levers | TEKTRO "HD-M280" |
| Frame | CONWAY Intube Bosch, Aluminium Diamond 45 cm |
| Drivetrain | 9-speed TEKTRO "M350" |
| Shift levers | TEKTRO "RD-M350R" |
| Number of gears | 9 |
| Fork | RST "Blaze ML", 120 mm |
| Fork travel (mm) | 120 |
| Bottom bracket | BOSCH |
| Crankset | MIRANDA "Classic Gen4", 165 mm |
| Sprocket | MIRANDA "Gen4", 36 teeth, with CG TEKTRO "CS-M350", 11–46 teeth |
| Drive | SHIMANO "HG53" |
| 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", He |
| Seatpost | CONWAY Patent, 31.6 mm, 350 mm |
| Rims | CONWAY "X18" hollow-chamber disc |
| Tires | SCHWALBE "Tough Tom" |
| Front tire | SCHWALBE "Tough Tom", 60-622 |
| Rear tire | SCHWALBE "Tough Tom", 60-622 |
| Front hub | SHIMANO "HB-TX505" QR |
| Rear hub | SHIMANO "FH-TX505" QR |
| Spokes | Niro |
| Pedals | VP "VPE-506" |
| Motor manufacturer / model | BOSCH Gen. 4 "Performance CX" mid-drive motor, 36 V, 250 W |
| Display | BOSCH, "Intuvia 100", 4-speed, push-assist |
| Battery | BOSCH "Powertube 625", lithium-ion with BMS, 625 Wh |
| Battery capacity (Wh) | 625 |
| Charger | Bosch 4 Ah |