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A mountain e-bike with 29" wheels, a BROSE S-mag mid-drive motor (90 Nm), a BMZ 820 Wh battery, a Shimano Deore 1x12 rear derailleur, and a Suntour XCR34 Air 120 mm fork.
Detailed Description
The 4EVER brand is a Czech bicycle manufacturer with a long-standing tradition, combining precise workmanship, modern technology, and excellent value for money. 4EVER bikes are designed and…
More about the brand 4everA mountain e-bike with 29" wheels, a BROSE S-mag mid-drive motor (90 Nm), a BMZ 820 Wh battery, a Shimano Deore 1x12 rear derailleur, and a Suntour XCR34 Air 120 mm fork.
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Some parts of this page are translated automatically, so please excuse any imperfections.
4Ever Exstream Elite 820 is a mountain e-bike, a hardtail designed for trail and marathon riding on 29" wheels. It’s built around a Brose mid-drive motor and an integrated high-capacity battery. Its spec targets the mid to upper performance class for technically proficient riders.
The frame is made from ALU E7005 aluminum alloy with Boost axles and an integrated battery in the down tube. The geometry is stable for off-road riding, with a 68° head angle and a 74° seat angle. Chainstay length is 470 mm, and the wheelbase grows up to 1231 mm depending on size.
Drivetrain: Shifting is handled by Shimano SL-M6100 1x12 with a Shimano Deore RD-M6100 rear derailleur. A Shimano CS-M6100 10–51 cassette and FSA E-bike 36T cranks provide a wide gear range.
Brakes: Shimano BR-MT201 hydraulic disc brakes use a 180 mm rotor up front and a 160 mm rotor at the rear. Control is via Shimano BL-MT201 levers.
Wheels and tires: The wheelset is built on MACH1 CROSS-R 27 rims for 29" diameter. Shimano HB-MT410 Boost 15 mm and Shimano FH-MT410 Boost 12 mm hubs contribute to wheel stiffness.
Cockpit: 4EX sand blasted handlebars are 740 mm wide, paired with a 4EX sand blasted stem. A Selle Italia X3 saddle is matched with a 4EX sand blasted seatpost.
The SUNTOUR XCR34 AIR fork with 120 mm travel improves front-wheel control on rough ground. Downhill stability is supported by the 68° head angle and longer wheelbase. On steeper climbs, the 74° seat angle and 10–51 cassette range help out. The BROSE Drive unit S-mag mid-drive motor with 90 Nm delivers strong traction at low cadence.
This bike is designed for riders who want a hardtail for trails, forest roads, and longer climbs with a high level of assistance. It’s well suited to sporty riding in hilly terrain, where range and stable geometry make the difference. Within the 29" e-bike category, it stands out with the combination of a Brose motor and an 820 Wh battery.
EAN: 8592025481152
E-bike range calculator
The stated range is approximate. The actual total range is influenced by several factors, such as the selected assistance mode, the technical condition of the e-bike, battery age, ambient temperature, headwind, and riding technique.
This product complies with the requirements of Regulation (EU) 2023/988 on general product safety.
Manufacturer: 4EVER, s.r.o., Moravská 842, 742 13 Studénka, CZECH REPUBLIC, +420 556 402 639, bike@4ever.cz, www.4ever.cz
ALU E7005 BOOST + battery integrated
SUNTOUR XCR34 AIR 29BOOST 15 120 RLO
BROSE Drive unit S-mag (90 Nm)
BMZ V10 Integrated 36 V / 820 Wh / 22,8 Ah
42 V / 4 A
BROSE Allround, BT
Front hub: SHIMANO HB-MT410 BOOST 15mm, Rear hub: SHIMANO FH-MT410 BOOST 12mm
SCHWALBE Smart Sam 29x2,35
MACH1 CROSS-R 27 29"
SHIMANO HB-MT410 BOOST 15mm / SHIMANO FH-MT410 BOOST 12mm
SHIMANO SL-M6100 1x12SPD
SHIMANO DEORE RD-M6100, 12SPD
FSA E-bike 36T
SHIMANO CS-M6100 12SPD 10-51SPD
SHIMANO CN-M6100 12SPD
MARWI SP-170
SHIMANO BR-MT201 (180/160)
SHIMANO BL-MT201
4EX sand blasted 740mm
4EX sand blasted
SELLE ITALIA X3
4EX sand blasted
23.5
Matt Foggy/Silver
S (15,5 - 16,5)
Mountain Biking, Electric Bicycles
Mens / UNI
Aluminum Alloy
FSA
820 Wh
Mid-Mount
29"
2025
Grey
The wheel manufacturer reserves the right to change the wheel specifications without providing reasons. In exceptional cases, the delivered product may differ from the specified specifications and images due to improved availability or functionality of the wheel.
The 4EVER brand is a Czech bicycle manufacturer with a long-standing tradition, combining precise workmanship, modern technology, and excellent value for money. 4EVER bikes are designed and…
More about the brand 4everDo you need help choosing the right product?
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Für Versand nach Deutschland, besuchen Sie bitte 4Ever Exstream Elite 820 Mountain-E-Bike Matt Foggy/Silver
Für Versand nach Österreich, besuchen Sie bitte 4Ever Exstream Elite 820 Mountain-E-Bike Matt Foggy/Silver
Chcesz dostarczyć towar do Polski? Sprawdź 4Ever Exstream Elite 820 górski rower elektryczny Matt Foggy/Silver
Chcete doručit zboží do České republiky? Prohlédněte si 4Ever Exstream Elite 820 horské elektrokolo Matt Foggy/Silver
Chcete doručiť tovar na Slovensko? Pozrite si 4Ever Exstream Elite 820 horský elektrobicykel Matt Foggy/Silver
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