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Merida eOne-Forty 8000 2020 - Electric Mountain Bike

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Product Description

The brand new Merida eOne-Forty 8000 uses exactly the same frame as the eOne-Sixty but with a shorter shock stroke. It comes to something Merida we describe this as the value for money option, but eBikes have re-calibrated perceptions.

The heart of the eOne-Forty 8000 is the Shimano Steps E8000 70NM motor and new integrated Shimano Steps E8035 504W battery. Modes are controlled by a Shimano Steps E8000 shift lever and key information is displayed on a colour Shimano Steps E8000 display

Key Features:

  • Carbon frame with alloy swing arm and fully integrated battery pack
  • RockShox Pike Select fork offers 140mm of plush suspension travel
  • RockShox Deluxe Select shock controls the 133mm of rear wheel travel
  • Shimano TX 12 speed drivetrain for easy gear shifting
  • Shimano SLX 4-piston hydraulic disc brakes for powerful speed control
  • Sizes: Small, Medium, Large, X Large, XX Large
  • Colours: Ocean Blue/Black
  • The Merida EOne-Forty 8000 is available with 0% APR finance

Drive information:

  • Motor: Shimano Steps E8000 70Nm
  • Battery: Shimano E8035 504Wh internal battery pack
  • User Interface / Display: Shimano Steps E8000 display & remote switch
  • Connectivity: Bluetooth smart phone and PC app

Technology:

Thermo Gate:

Forged aluminium part integrated into the headtube. Works like a chimney so hot air can rise up and escape. When riding, heat build up from the battery is not usually an issue, but if the bike was laid in the sun for a long time heat could build up.

Wheel Size:

Mixed wheel sizes to get the best of both worlds. 29" front wheel for better ‘roll overperformance’ with a 2.5" wide tyre for precise steering. 27.5" rear wheel with 2.6" tyres give maximum traction and comfort. The smaller rear wheel size allows shorter chainstays for a more agile and playful character.

Internal Block:

To prevent the fork crown hitting the down tube we use an ‘Internal Block’ integrated into the frame. A clamp is installed on the fork steerer. If the steering angle is too extreme the clamp hits the rubber protection block inside the frame. Just in case the clamp does rotate on the steere, there's additional rubber protection under the head tube.

Easy Charging:

The internal battery can be accessed easily, pulling a rubber strap, sliding forward the panel and opening, the battery can then be removed by a small turn of an Allen Key (provided). But the battery doesn't need to be removed as a satellite charging port can be used.

Rattle Free:

Two part battery cover, the outer layer reduces noise through its soft material and tight fit, while the hard plastic inner layer gives it the structural shape. Key components i.e. the rubber strap and o-rings, can be replaced. Almost all connection points between battery and frame have a rubber layer between them too.

Bottle Bosses and Cable Routing:

A new clamp system makes it easy to organise and route cables inside the downtube whilst also providing bottle bosses on the outside. Bottle cages can be put in two positions. The upper one must be used when a piggyback shock is mounted. For Gen II a bottle can be mounted to all frame sizes.

Battery Wake-Up:

If the bike has not been used for more than 6 months, or when the battery of the on/off switch is empty (this battery is normally charged by the main battery) it's necessary to wake the battery up again, simply push a 4mm Allen key (on the Merida Expert TR axle) through the hole on the downtube and press the hidden button underneath

Lifeteime Warranty:

Covers the entire ownership of the original purchaser. This applies to manufacturing and material defects and includes bikes used for racing.*A rider and equipment weight limit of 120kg applies.

Occasionally, without notice, manufacturers change product design and/or specifications.

Specification

Frame:Carbon front triangle with easily removable integrated battery, satellite on/off switch, on-bike charging port and “thermo gate”
Fork:Rock Shox Pike Select; Air; 140 mm travel; Tapered steerer; 51mm fork offset
Rear Shock:Rock Shox Deluxe Select+; platform 133mm Travel
Headset:Merida 1901
Stem:Merida Expert eTR; 35 mm diameter; 0 degree rise
Bars:Merida Expert eTR; 780 mm wide; 20 mm rise
Front Brake:Shimano SLX 4 piston hydraulic disc brakes with Shimano RT64 203 mm rotors
Rear Brake:Shimano SLX 4 piston hydraulic disc brakes with Shimano RTEM600 203 mm rotors
Rear Mech:Shimano XT RDM8100 Shadow+
Shifters:Shimano XT 12
Speed:12
Rims:Fulcrum E-Metal 700 wheelset ; 29" front and 27.5" rear
Front Hub:110 x 15mm Centrelock
Rear Hub:148 x 12mm rear with Merida Comp TR rear axle including removeable lever, 6/4mm allen key
Spokes:Part of wheelset
Front Tyre:Maxxis DHF 29" x 2.5 " Kevlar bead - folding 3C EXO TR
Rear Tyre:Maxxis DHR II 27.5" x 2.6 " Kevlar bead - folding 3C EXO TR
Seat Post:Merida Expert TR; 30.9 mm diameter; 0mm layback S: 125 mm travel - M/L: 150 mm travel - XL/XXL: 170 mm travel;
Saddle:Merida Expert CC
Chainset:Shimano CRE80-12-B; 34 teeth with Shimano E8000 crank
Chain:Shimano CN-M7100
Cassette:Shimano M7100; 10-51 teeth; 12 speed
Pedals:VP; VPE-537
Battery (Wh):504
Motor:Shimano Steps E8000; 70Nm motor

Merida eOne-Forty 8000 2020 - Electric Mountain Bike Reviews

Write your own review
Overall Rating:
4.3
out of 5
4.33
Build Quality
5.00
Performance
4.50
Value For Money
3.50

Customer Reviews (1)

4
A new bike
by Anonymous user on 11/09/2020

The bike build appears excellent, and so far, (I have no reason to believe otherwise) the performance is as I expected. The supplier used TNT to deliver the bike. Their service was poor. The web site promoted by them to follow the delivery process didn’t do that and the delivery was six days after it was promised, even after chasing twice! In short the product is great, but the delivery process incompetent. Disappointing.

The bike build appears excellent, and so far, (I have no reason to believe otherwise) the performance is as I expected. The supplier used TNT to deliver the bike. Their service was poor. The web site promoted by them to follow the delivery process didn’t do that and the delivery was six days after it was promised, even after chasing twice! In short the product is great, but the delivery process incompetent. Disappointing.

Close review
4.3 out of 5
Build Quality: 5/5
Performance: 4.5/5
Value For Money: 3.5/5

Eone-Forty Sizing

Merida eOne-Forty Sizing and Geometry

Height

 

 

 

 

5’0” / 152cm

S (16”)

 

 

 

5’1” / 155cm

S (16”)

 

 

 

5’2” / 157cm

S (16”)

 

 

 

5’3” / 160cm

S (16”)

M (17”)

 

 

5’4” / 163cm

S (16”)

M (17”)

 

 

5’5” / 165cm

 

M (17”)

 

 

5’6” / 168cm

 

M (17”)

 

 

5’7” / 170cm

 

M (17”)

L (18.5”)

 

5’8” / 173cm

 

M (17”)

L (18.5”)

 

5’9” / 175cm

 

M (17”)

L (18.5”)

 

5’10” / 178cm

 

M (17”)

L (18.5”)

 

5’11” / 180cm

 

 

L (18.5”)

 

6’0” / 183cm

 

 

L (18.5”)

 

6’1” / 185cm

 

 

L (18.5”)

 

6’2” / 188cm

 

 

L (18.5”)

 

6’3” / 191cm

 

 

L (18.5”)

XL (20”)

6’4” / 193cm

 

 

L (18.5”)

XL (20”)

6’5” / 196cm

 

 

 

XL (20”)

6’6” / 198cm

 

 

 

XL (20”)

6’7” / 200cm

 

 

 

XL (20”)

6’8” / 203cm

 

 

 

XL (20”

 

SizeSMLXLXXL
Seat tube 405 mm 420 mm 440 mm 470 mm 500 mm
Top tube 561 mm 582 mm 603 mm 626 mm 648 mm
Head tube 110 mm 115 mm 120 mm 135 mm 150 mm
Head angle 66.4° 66.4° 66.4° 66.4° 66.4°
Seat angle 76.4° 76.4° 76.4° 76.4° 76.4°
Chainstay 440 mm 440 mm 440 mm 440 mm 440 mm
BB Drop 24.4 mm 24.4 mm 24.4 mm 24.4 mm 24.4 mm
Wheelbase 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

Please note, all size information is provided as a guide - if you're unsure or need any further assistance you can call us on 01792 799508 ... we're happy to help!

Electric MTB Guide

 

Electric Mountain Bike Guide

Is an Electric Mountain Bike Right for Me?

If you’re new to the cycling world, we highly recommend taking a look at our bike buying guide overview or our electric bike buying guide to help you decide what type of e bike is right for you.

When you’re choosing an electric mountain bike, there are a few things to look out for, which can help you to work out the quality and performance to expect from a particular model.


Usage & Suspension travel

Just like a regular full suspension or hardtail mountain bike, the amount of available suspension travel on an eMTB varies with the intended use. Depending on the type of mountain bike riding you’ll be doing, you’ll want a bike with longer or shorter suspension travel as well as components suited to more or less technical terrain.

Type

Travel

Usage

Pros

Cons

Hardtail

Up to 130mm travel fork

Cross-country and trail

Nimble handling more affordable than a full suspension eMTB

Hardtails are less capable on rough and demanding trails with large jumps and drops

Full Suspension – short travel

120mm – 150mm

Trail and cross-country

Well balanced for both climbing and descending

Less capable on challenging descents than a longer travel bike

Full Suspension – long travel

150mm +

Enduro, trail and downhill

More capable on rough, steep and technical descents, including DH and enduro tracks

Heavier and less manoeuvrable on tight trails. More cumbersome on the climbs

 

 

Type / Travel / Usage

Pros

Cons

Hardtail

Up to 130mm travel fork

Cross-country and trail

Nimble handling more affordable than a full suspension eMTB

Hardtails are less capable on rough and demanding trails with large jumps and drops

Full Suspension – short travel

120mm – 150mm

Trail and cross-country

Well balanced for both climbing and descending

Less capable on challenging descents than a longer travel bike

Full Suspension – long travel

150mm +

Enduro, trail and downhill

More capable on rough, steep and technical descents, including DH and enduro tracks

Heavier and less manoeuvrable on tight trails. More cumbersome on the climbs

 

 


Frame Material

Most electric mountain bike frames are made from aluminium alloy, although some are made from carbon fibre composite.

Aluminium

Aluminium alloy is lightweight, stiff, strong. Manufacturers often develop their own aluminium alloys, such as ALUXX by Giant. Aluminium is found on a wide range of e bikes, from entry-level and enthusiast bikes, right the way up to top-spec eMTBs.

Carbon Fibre

Carbon fibre is lighter, stiffer, stronger, and more expensive than aluminium. The main benefit for electric mountain bikes is that carbon frames are stiffer for improved handling.


Drive Tech

Designed to enable you to have more fun on the trails, all of our electric mountain bikes feature powerful crank drive motors with long lasting lithium-ion battery packs and easily accessible control units.

Motor

Crank drive motors boost your natural pedalling power. The cranks are connected to the motor and the motor is connected to the chainring which then powers the bike forward. The bike senses the pressure that you put though the pedals and then adds an appropriate level of power to make pedalling easier. This additional power is delivered seamlessly, and you will feel like your legs have just become much more powerful. Motors all have a nominal 250w output and are usually provided by big component manufacturers like Bosch, Shimano, Yamaha and Brose.

Illustration showing a electric motor on a electric bike

Battery

Easily charged either on or off the bike the lithium-ion battery pack will offer you long lasting assistance. Where and how you ride will make a big difference to the range that you can expect to achieve from a single charge, but most e bikers find the capacity of these batteries to be more than sufficient. Some brands offer innovative ways to integrate the battery within the frame. 400Wh or 500Wh batteries are most common.

Illustration showing a battery mounted to a ebike frame

Control Units

All electric mountain bikes allow you to adjust the amount of power the motor delivers. This helps to help you manage the battery capacity. Control units have some kind of display that, at the very least, shows remaining battery capacity and the current power mode. Some control units feature a handlebar mounted display unit that displays additional information like estimated range and satellite navigation prompts. Many eMTBs offer Bluetooth and ANT+ connectivity with smartphone apps for fine tuning the motor output and accessing more advanced features.

Illustration showing a heads up display mounted to the handlebars

Groupset

An electric mountain bike’s groupset, is where the biggest difference in component quality is seen. A complete groupset comprises of the following parts:

  • Chainset (aka Crankset)
  • Bottom bracket
  • Brakes
  • Brake levers
  • Shifter
  • Derailleur
  • Chain
  • Cassette
 Shimano LogoSRAM Logo
Professional
11
XTR Di2
12
XX1 AXS Eagle
AXS Eagle

12
X01 AXS Eagle
AXS Eagle
 
12
XTR
11
XX1

11
X01
 
11
XT Di2
 
Enthusiast
12
XT
 
11
SLX
10
GX
 
10
Deore
11
NX
Entry
9
Alivio
12
SX Eagle
Eagle
 
9
Acera
9-10
X9
 
9
Altus
9-10
X7
 
7
Tourney
7-10
X5

 

 

Electric mountain bike groupset components are typically supplied by either Shimano or SRAM, sometimes with additional manufacturers like Magura, Tektro and TRP supplying brake systems. You will mostly find one-by drivetrains with a single front chainring and a wide range rear cassette.

Shimano and SRAM both produce a range of groupsets to suit different budgets. The hierarchy table here compares the different Shimano and SRAM groupsets to determine which bikes offer the best performance.


Wheel Size

Just like regular mountain bikes, e MTBs are available with different wheel sizes. 27.5” (650b) and 29” wheels are both available but the most common e MTB size is 27.5”+ (6fattie) that bridges the gap between the two.

MTB wheel sizes

27.5” (650b) wheels strike the ideal balance between fast rolling and nimble handling. They are lighter than 29” wheels so are faster to accelerate. On the other hand, the smaller wheel size rolls less efficiently than the larger size, making the bike more prone to losing speed over rough ground.

29” wheels roll fastest but are less nimble. These wheels are naturally smoother over rough ground but are heavier and slower to accelerate. Larger riders may find a better fit on a 29er, but smaller riders may find 29” wheels a little cumbersome.

27.5+ (6fattie) wheels feature wider 2.8” – 3.0” tyres and offer more cushioning (float) as well as more grip. With the extra size of the high-volume tyres, the overall wheel diameter is similar to a 29er, so these wheels carry speed very well on rough ground. Plus sized wheels are ideal for electric mountain bikes as they deal best with the extra weight of the motor and battery, and are great for riding more challenging terrain.


Suspension components

Electric mountain bike suspension components (i.e. the fork or rear shock absorber) are also a way to identify the quality of a bike. While Fox and RockShox are the most common manufacturers, there are a number of brands producing suspension components for mountain bikes.

Entry Level eMTBs

Entry level electric mountain bikes (up to approximately £2,500) may come supplied with a fork and rear shock supplied by SR Suntour, X-Fusion or RockShox. These components will allow a limited amount of adjustment, including:

  • Coil spring preload / air spring pressure adjustment.
  • Lockout switch.
  • Rebound damping adjustment on models towards the top of the price range.
Mid-range and enthusiast eMTBs

Mid-range and enthusiast eMTBs (up to approximately £5,000) use components from brands including Fox, RockShox and Manitou. At this level, suspension components have features like:

  • Preload adjustment / air spring pressure adjustment
  • Rebound damping adjustment
  • Lockout switch
  • Multi-position ‘mode’ switch
  • Compression damping adjustment
Top of the range eMTBs

Top of the range electric bikes (over £5,000) also use components from Fox, RockShox and Manitou, with a few select models using parts from high-end suspension brands like Ohlins. At this price, suspension components have features including:

  • Coil spring preload adjustment / air spring pressure adjustment
  • High and low speed rebound damping adjustment
  • High and low speed compression damping adjustment
  • Lockout switch
  • Multi-position ‘mode’ switch
  • Advanced low-friction coatings (e.g. Fox’s golden-coloured Kashima coating)

Finance

How do I apply for finance?

Spend £99 or more at Tredz and you can spread the cost. Pay monthly over 6-48 months, interest free (dependent on repayment terms and amount).

1Fill your basket with everything you want from Tredz and go to the checkout.

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Delivery & Guarantee

UK Delivery Information

Please Note: Due to the current circumstances we are experiencing high demand so we may take a little longer than usual to despatch your order. Our Warehouse and Bike Build team are up and running as normal and we are taking active measures to ensure that we are following the government guidance with social distancing and additional health & safety measures have been put in place throughout the business. Please rest assured we will do everything we can to get your order to you as quickly as possible.

We are committed to offering fast and free delivery, whether you're ordering bikes, accessories or clothing. Our standard delivery service is FREE in the UK, regardless of the size and on all orders over £20.

Please note that bulky products and bikes shipped to outlying UK regions are excluded from free shipping.

Please note that Pre-Order dates can sometimes change due to updated stock information.

Click here for more UK and international delivery information.

Returns & Warranty

It's easy to return a product with our 365 day, hassle free returns. 

We will give you a full refund or exchange on any item that is returned to us unused/unfitted, in a resaleable condition and in its original packaging (where possible).

Please note: For hygiene reasons, we cannot accept returns of facemasks, undershorts or underwear if the item has been removed/unsealed from its original packaging.

If your item develops a fault or arrives damaged, please contact us first so we can resolve the issue for you as quickly as possible.

For more information please visit our Returns & Warranty page.

What's In The Box

What's In The Box

As cyclists ourselves, we know you will be keen to get out on your new bike as soon as possible. That's why we provide you with all the essential kit you need to get your shiny new bike rolling for the first time.

Most bikes don't come with pedals as standard so we include a set of basic pedals, free of charge with every bike we send out. We will also provide you with a pedal spanner to fit them and a 9-key trail tool, along with full instructions for setting your bike up out of the box. Each bike is sent out with a 16 point, quality control check sheet so you can be confident that your bike has been fully checked by our qualified mechanics.

What's in the box
  • Basic setup instructions
  • 16 point quality control checklist
  • Free tredz multitool
  • Free tred pedal spanner
  • Free basic pedals
  • Free drawstring kit bag
  • Free bike insurance voucher

All these items are provided at no extra charge and are packed into a Tredz drawstring bag that doubles up as a handy backpack for carrying your ride essentials.

  • Basic bike setup instructions
  • Free ‘basic’ pedals
  • Free Tredz pedal spanner
  • Free Tredz 9-key trail tool
  • Free Tredz drawstring bag
  • Free 8 weeks insurance voucher
  • 16 point, quality control check sheet

Tredz Service:

Tredz bikes are fully built & set up to ride
Read our bike setup guide.

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  • 365 day 'no hassle' returns
  • Free UK delivery, on a date that suits you

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