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Merida EONE-Forty 500 2021

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With the eONE-FORTY, we add a completely new model to the MERIDA performance e-mountain bike family. Due to its less aggressive geometry and the 140mm travel, it is more uphill focused than the eONE-SIXTY. The lower front and the steeper seat angle make the eONE-FORTY a great climber. It is equally at home on long and demanding uphills as well at technical downhills and singletracks. The new geometry and frame design give the bike a very playful character, which is precise and fast. Compared to the non-motorised all-rounder model, which very much inspired the handling and playfulness of the eONE-FORTY, the rider can enjoy the benefits of the hugely capable built-in Shimano motor, which makes even demanding climbs an easy endeavour.

The last few years have shown that long travel e-mountain bikes are also often used as a kind of ‘SUV’ bike. Because of the advantages of more travel, bigger tyres and comfortable geometry, the eONE-FORTY also shines away from the trail and enduro tracks and offers a super fun, comfortable and capable alternative to a ‘normal’ mountain bike. We are convinced that the eONE-FORTY fits perfectly in this category as well and that it will find enthusiastic customers here too.

MERIDA bikes are known for: innovation, quality and outstanding performance, three attributes that also describe the new eONE-FORTY. It is a high-end state of the art e-bike. Material, design and integration are cutting edge.


For 2021, the entire eONE-Forty carbon range will be powered by the new EP8 motor from Shimano. The new power unit brings a long list of upgrades and changes to the table that will elevate our eONE-SIXTY to the next level. The EP8 delivers a maximum power output of 85 Nm, which is an increase of 15 Nm from the E8000 unit. This will improve the performance on extreme terrain as well as lift up the other support levels, making them universally more cable and more fun to use. Paired with the new 630 Wh battery, the new EP8 system delivers a huge range extension, making it easier to cruise for longer or do more runs. 

Further to that, the new power unit has lost approx. 300 g in weight, has further improved its heat-resistance, allowing the rider to go harder for longer, has become quieter and smaller and has managed to achieve a 36% reduction in drag, making cruising about the cut-out speed even easier.  All this helps to deliver smooth, direct power to ensure that the rider is always in complete control while experiencing a natural ride feel.


Geometry, travel and specification make this bike perfect for trail riding but also for long distance rides. It doesn’t matter if it's a playful trail or a multi-day ride across the Alps, the new eONE-FORTY is your faithful companion.

But besides its trail riding and long-distance abilities, the eONE-FORTY is also a hugely capable and enjoyable ‘SUV’ bike. Because of the travel, the comfortable and upright riding position, the eONE-FORTY gives a lot of confidence and offers a real alternative to a ‘normal’ mountain bike. If a 2nd battery or charging device is carried, there is (almost) no limit for all day riding or multi-day excursions.


Full Specs

Modell/Model Merida EONE-Forty 500  2021
Rahmen/Frame Merida EONE-Forty Lite II , Suntour RS Edge
Gabel/Fork Marzzochi Z 2  eMTB+ , 140mm
Antrieb Shimano EP8 , 630 Wh
E-Parts Batterie Shimano E8036 WH 630Wh(S-504Wh),Display E7000
Steuersatz/Headset Merida 8152
Vorbau/Stem Merida Expert E TR II
Lenker/Bar MERIDA EXPERT E TR, Rise 20mm, Breite 780mm, Durchmesser 35mm
Vorderradbremse/Brake f. Shimano M4100 , 4 Kolben , 203mm
Hinterradbremse/Brake r. Shimano M4100, 4 Kolben , 203mm
Bremshebel/Brakelever Shimano M4100
Umwerfer/Front Derailleur -
Schaltwerk/Rear Derailleur Shimano Deore M5100  1x11
Schalthebel/Shifter Shimano Deore M5100 1x11
Kassette/Cassette Shimano M5100
Kette/Chain Shimano  HG 601
Kurbel/Crankset Shimano CRE70-B
Innenlager/BB -
Pedale/Pedals -
Vorderrad/Front Wheel Merida Comp TR /MT 400 29"
Hinterrad/Rear Wheel Merida Comp TR /MT 400 27,5"
Reifen vorne/Front Tyre Maxxis Rekon 29x2,4
Reifen hinten/Rear Tyre Maxxis Rekon 27,5x2,6
Sattelstütze/Seatpost Merida Comp TR, 30.9mm
Sattel/Saddle Merida Comp CC
Extra LEZYNE E-BIKE POWER STVZO E115 Lichtset , Tool






Größe S M L XL XXL
Sattelrohr 405 mm 420 mm 440 mm 470 mm 500 mm
Oberrohr 561 mm 582 mm 603 mm 626 mm 648 mm
Steuerrohr 110 mm 115 mm 120 mm 135 mm 150 mm
Lenkwinkel 66,4° 66,4° 66,4° 66,4° 66,4°
Sitzwinkel 76,4° 76,4° 76,4° 76,4° 76,4°
Kettenstrebe 440 mm 440 mm 440 mm 440 mm 440 mm
BB Drop 24 mm 24 mm 24 mm 24 mm 24 mm
Radstand 1.160 mm 1.182 mm 1.204 mm 1.231 mm 1.257 mm
Reach 410 mm 430 mm 450 mm 470 mm 490 mm
Stack 622 mm 627 mm 631 mm 645 mm 658 mm
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