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The 2021 Cairon C 427 from Conway is a versatile and robust e-bike designed for a range of uses. Priced at 2,999 euros, it offers a solid specification and modern technology. The frame is made from high-quality aluminium and elegantly integrates the Bosch Intube battery, which not only ensures an attractive appearance but also optimises weight distribution. The maximum permissible weight is 130 kg, which is indicative of its sturdy construction.
Safety and control when braking are ensured by the TEKTRO “HD-T390” brakes and brake levers, complemented by 180 mm brake discs at both the front and rear. The drivetrain is fitted with the SHIMANO “Deore RD-M5120 Shadow Plus” 10-speed system, which enables precise and reliable gear selection. The SHIMANO “Deore SL-M4100” shift lever ensures easy operation.
The SUNTOUR “XCR34 Air LOR” fork, with 120 mm of travel, ensures comfort and control on uneven terrain. The lighting comprises a CONTEC “LED Aurora 100 E+ 40” front light and an AXA “Blueline” LED rear light, which ensure visibility and safety on the road.
The drive unit is powered by a 4th-generation BOSCH “Performance CX” mid-drive motor with 36 V and 250 W output, which, in combination with a BOSCH PT lithium-ion battery with a capacity of 625 Wh, provides powerful assistance. The BOSCH “Intuvia” display with 4 levels and remote control offers intuitive operation and a push-assist function.
Other components, such as the FSA crankset, SHIMANO sprockets, and the LEVEL 9 handlebars and stem, contribute to the bike’s high-quality specification. The MACH1 “MAXX” rims and IMPAC “Ridgepac” tyres offer stability and grip on a variety of surfaces. The SELLE ROYAL “Vivo Athletic Ergo” saddle ensures comfort on longer rides.
In addition, the Cairon C 427 is equipped with practical features such as an ATRAN “Cummute Pro” luggage rack with a spring-loaded flap, SKS plastic mudguards and an URSUS aluminium kickstand, all of which make everyday use easier. Overall, the Conway Cairon C 427 is a well-designed e-bike that is suitable for both daily commuting and trips into the countryside.
| Brakes | TEKTRO "HD-T390" |
| Brake levers | TEKTRO "HD-T390" |
| Frame | CONWAY Intube Bosch, aluminium |
| Drivetrain | SHIMANO "Deore RD-M5120 Shadow Plus", 10-speed |
| Shift levers | SHIMANO "Deore SL-M4100" |
| Fork | SUNTOUR "XCR34 Air LOR", 120 mm |
| Fork travel (mm) | 120 |
| Bottom bracket | BOSCH |
| Crankset | FSA "CK-745", 170 mm FSA "W0147 WB460 W1155", 38 t. |
| Sprocket | SHIMANO "CS-M4100", 11–46 t. |
| Drive | SHIMANO "CN-E6090" |
| Headset | ZS44 / ZS56 |
| Handlebar | LEVEL 9 "Low Riser", Ø 31.8, 720 mm |
| Grips | CONWAY "Sport fix" |
| Stem | LEVEL 9 "Adjustable" |
| Saddle | SELLE ROYAL "Vivo Athletic Ergo", He |
| Seatpost | CONWAY Patent, 31.6 mm |
| Rims | MACH1 "MAXX" |
| Tires | VR: IMPAC "Ridgepac", 57-584, Reflex; HR: IMPAC "Ridgepac", 57-584, Reflex |
| Spokes | Niro |
| Pedals | VP "VPE-506" |
| Front light | CONTEC "LED Aurora 100 E+ 40" |
| Rear light | AXA "Blueline", LED |
| Mudguards | SKS, plastic |
| Kickstand | URSUS, aluminium |
| Rack | ATRAN "Cummute Pro", including spring-loaded flap |
| Motor manufacturer / model | BOSCH Gen. 4 "Performance CX" mid-drive motor, 36 V, 250 W |
| Display | BOSCH, "Intuvia " 4-stage, remote control, pushing aid |
| Battery | BOSCH PT lithium-ion with BMS, 36 V, 16.66 Ah, 625 Wh |
| Battery capacity (Wh) | 625 |