Merida eOne-Forty 400 Electric Mountain Bike - N820

Name: Merida eOne-Forty 400 Electric Mountain Bike - N820
Brand: MERIDA
SKU: l4npm2epqa
Availability: InStock

The eOne-Forty shares the same frame and design features as the eOne-Sixty, but has different ride...

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Merida eOne-Forty 400 Electric Mountain Bike 2022 Anthracite/Black

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Product Information

Full details

The Merida eOne-Forty 400 is an agile, all-day electric mountain bike designed for riders who prioritize playful handling and climbing efficiency over maximum downhill travel. Featuring a refined geometry and a mixed-wheel configuration, it provides excellent traction and precise steering for diverse trail conditions; however, potential buyers should note that the reduced rear travel compared to its 'Sixty' sibling makes it less suited for extreme, high-speed downhill terrain.

All features

Model Part Number	N820
Brand	MERIDA

Extended Product Information

FAQs

What is the main difference between the eOne-Forty and the eOne-Sixty?

The eOne-Forty has 133mm of rear travel and steeper geometry, making it more agile and efficient for climbing, whereas the eOne-Sixty is built for more aggressive downhill terrain.

Can I change the power profiles on the motor?

Yes, you can customize your power assistance modes using the Shimano E-Tube app on your smartphone.

Why does the Small frame have a different battery size?

The smaller frame geometry requires a 504Wh battery to fit within the frame design while maintaining weight distribution and performance characteristics.

Can I replace the wheels with a different size?

The bike is designed for a mullet (mixed) setup. Changing wheel sizes significantly will alter the bike's geometry and handling, so it is recommended to keep the original configuration.

How often should I service the motor?

While the Shimano EP8 motor is low maintenance, you should have your bike serviced by a professional mechanic at least once a year or every 1,500 miles.

Troubleshooting

Motor assistance feels inconsistent

Check your E-Tube app settings and ensure the firmware is up to date; check that the speed sensor magnet is correctly aligned.

Battery will not charge

Verify the charging port is free of debris and that the charger is securely connected to both the wall outlet and the battery port.

Excessive noise from the rear end

Check for loose pivots and ensure the rear tire clearance is not being impacted by debris buildup in the frame.

Pros and Cons

Pros

Highly agile and playful handling characteristics
Excellent climbing performance due to geometry adjustments
Mixed wheel size offers the best of both stability and traction
Powerful 85Nm motor handles technical terrain easily
Highly customizable motor settings via mobile app

Cons

Less rear travel than the eOne-Sixty model
Battery capacity varies by frame size
Not intended for extreme downhill or enduro racing

Setup, Compatibility & Care

To maximize the performance of your eOne-Forty, begin by setting up your suspension sag according to your body weight. Utilize the `Shimano E-Tube` app to calibrate your power assistance modes before your first ride to ensure they match your preferred riding style. For battery care, avoid storing the battery at extreme temperatures and aim to keep it between 20-80% charge if the bike will be idle for an extended period. Ensure the motor housing and chainstay areas are kept clean of excessive trail debris to prevent premature wear. Regularly inspect tire pressures, noting that the 2.6-inch rear tire is designed for higher traction and may require slightly lower pressure than the 2.5-inch front tire to function optimally.