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4EVER Marianne AL Cross

Discount for purchasing 2 or more e-bikes: 5%
Unfortunately, this product is no longer in production. Please, choose another model from that category


  • The Central motor Bafang Max Drive is one of the most used on the market.

  • Long range thanks to Samsung lithium-ion battery with capacity of 630 Wh. The battery is fully integrated into the frame.

  • The 4EVER Mercury AL Cross e-bike features a lightweight yet sturdy and durable frame.

  • Air suspension fork SUNTOUR makes ride smooth and comfortable.

  • Nine-speed Shimano shifting for perfect ride on any terrain.

Click to display the e-bike range calculator

E-bike range calculator

Total weight of rider (incl. equipment)
Predominant route profile
Battery capacity
For 80 kg riders, with a battery capacity of Wh when driving with maximum assistance after a predominantly , the range on this e-bike will be approximately
(Setting specific assistant mode, electro-technical state, battery age, ambient temperature, aerodynamics and driving technique could affect the overall range)

The Czech Republic's traditional manufacturer 4EVER offers off-road and trekking e-bikes with a German drive (Brose) and a Bafang drive. E-bikes from 4EVER are excellent machines with above-standard battery capacity and an appealing design. offers a complete range of 4EVER e-bikes and a branded repair shop.

Centre drive system

Bafang M400


Center motor BAFANG Max Drive M400 has a very high torque - up to 80 Nm.

The motor has a pedalling sensor and torque sensor of pedalling force. The higher effort you put into pedalling the more powerful assistance you get, thanks to the intelligent drive unit, which is integrated into the motor body.


Drive unit Center
Rated power 250 W
Max. torque 80 Nm
Voltage 36/43/48 (DCV)
Motor efficiency ≥ 80%
Pedalling Sensor cadence sensor
Max. support Speed 25 km/h
Weight 3.6 kg
Operating temperature -20 - 45 ℃
Noise < 55 dB



Trekking or cross e-bike is the right choice for your long and enjoyable bike trips. On you will find only touring and trekking e-bikes with a high range at an attractive price. Cross e-bikes are specifically designed for light terrain.




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Drive type BAFANG MaxDrive M420 (36V)
Capacity and battery type Li-Ion DLG I1 630 Wh (36 V / 17,4 Ah) integrated
Control LCD display DP C18.UART
Frame type and material ALU 6061 (aluminium alloy)
Number of gears 9
Shifters SHIMANO ALIVIO SL-M4000 (9 gears)
Derailleur SHIMANO DEORE RD-M591 (9 gears)
Front brakes Disc brakes SHIMANO MT201 (180 mm)
Rear brakes Disc brakes SHIMANO MT201 (160 mm)
Cassette SHIMANO CS-HG400 (11-34) - 9 gears
The stem 4EX sand blasted
Handlebars 4EX sand blasted
Saddle Selle Royal
Seat post 4EX sand blasted
Rims 28“ MACH1 210 DISC
Tyres IMPAC TourPac
Pedály UNION SP-600
Load capacity 120 kg
Weight including battery 23,2 kg