Merida eScultura 400 2021 - Electric Road Bike

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Product Description

Brand new for MY21 we are using the proven Mahle eBikemotion hub motor system to create a range of 5 new models. Mahle's eBikemotion system uses a 40Nm rear hub motor powered by a fully integrated 250Wh battery hidden in the downtube. The system has an iWoc button for controlling support levels and a Sophisticated app with the opportunity to adjust the riding feel as well as post-ride analysis features.

Five models all based on the same versatile geometry frame. Each model has a specific fork and componentry to match its application. The frame has mounts for mudguards and rack and a neat hidden kickstand mount, generous tyre clearance means you can run up to a 40mm tyre and mudguards. Cable routing is through a specific headset cap to keep the cockpit nice and neat.

The eScultura 400 is targetted at road riding and uses the Mission CX carbon (CF3) fork, a Shimano 105 2 x 11 drivetrain and Shimano 105 hydraulic disc brakes.

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


Frame:Lite - Hydroformed 6066 series triple butted aluminium with integrated battery chamber, mounts for mudguards, rack and kickstand. Generous tyre clearance gives the ability to run up to a 40mm tyre and mudgaurds.
Fork:Mission CX CF3; carbon
Headset:FSA No. 69/SRS
Stem:Merida Expert CC; aluminium; 31.8mm diameter; 5 degree rise - Length : 80 mm-XXS/XS, 90 mm-S, 100 mm-SM/ML, 110 mm-L/XL
Bars:Merida Expert CW
Front Brake:Shimano 105; 2 piston hydraulic disc brake with Shimano RT64; 160mm rotor
Rear Brake:Shimano 105; 2 piston hydraulic disc brake with Shimano RT66; 160mm rotor
Brake Lever:Shimano 105
Front Mech:Shimano 105
Rear Mech:Shimano 105; GS
Shifters:Shimano 105
Rims:Merida Expert SL; 17mm inner rim width; 22mm profile
Front Hub:VP CLK170F; 100x12mm; 28 spokes; Centerlock
Rear Hub:Mahle X35+ Hub motor
Spokes:Black stainless
Front Tyre:Maxxis Pursuer; 700 x 32C; Kevlar bead; folding
Rear Tyre:Maxxis Pursuer; 700 x 32C; Kevlar bead; folding
Seat Post:Merida Expert CC; Material: carbon; 30.9mm diameter; in-line
Saddle:Merida Comp SL; V-mount
Chainset:Shimano 105; 50-34 teeth chainwheel with 170mm - XS/S/SM/ML, 175mm - L/XL length crank
Bottom Bracket:Shimano BSA
Chain:KMC e 11 Speed
Cassette:Shimano 105; 11-32 teeth; 11 speed
Pedals:VP Components, VPE-891
Battery (Wh):250 Wh
Motor:Mahle X35+ Hub motor with Mahle B1-C 250Wh battery

Scultura Sizing & Geometry

Specialized Logo


Merida Scultura 2021 Sizing


XXS 153 - 162 cm
XS 158 - 167 cm
S 163 - 172 cm
S/M 168 - 177 cm
M/L 173 - 182 cm
L 178 - 187 cm
XL > 183 cm


Merida Scultura rim brake 2021 Geometry


TIRE SIZES 28" 28" 28" 28" 28" 28" 28"
FRAME SIZE CM 44 47 50 52 54 56 59
ST SEAT TUBE [MM] 440 470 500 520 540 560 590
TT TOP TUBE [MM] 515 520 530 545 560 575 590
CS CHAIN STAY LENGTH [MM] 408 408 408 408 408 408 408
HTA HEAD TUBE ANGLE [°] 71 71 72 73 73 73 73.5
STA SEAT TUBE ANGLE [°] 75 74.5 74 74 73.5 73 73
BD BOTTOM BRACKED DROP [MM] 66 66 66 66 66 66 66
HT HEAD TUBE [MM] 120 130 140 150 170 190 215
FL FORK LENGTH [MM] 375 375 375 375 375 375 375
R REACH [MM] 376 373 375 386 390 394 401
S STACK [MM] 519 529 542 555 574 593 619
WB WHEEL BASE [MM] 982 983 979 985 995 1005 1014
SH STAND OVER HEIGHT [MM] 697 715 745 764 783 802 830


Merida Scultura Disc 2021 Geometry

TIRE SIZES 28" 28" 28" 28" 28" 28" 28"
FRAME SIZE CM 44 47 50 52 54 56 59
ST SEAT TUBE [MM] 440 470 500 520 540 560 590
TT TOP TUBE [MM] 510 520 535 545 560 575 590
CS CHAIN STAY LENGTH [MM] 408 408 408 408 408 408 408
HTA HEAD TUBE ANGLE [°] 71 71.5 72.5 73.5 73.5 73.5 74
STA SEAT TUBE ANGLE [°] 74.5 74.5 74 74 73.5 73 73
BD BOTTOM BRACKED DROP [MM] 66 66 66 66 66 66 66
HT HEAD TUBE [MM] 105 115 125 140 155 170 190
FL FORK LENGTH [MM] 371 371 371 371 371 371 371
R REACH [MM] 371 377 383 388 394 399 408
S STACK [MM] 500 512 524 543 557 571 592
WB WHEEL BASE [MM] 974 980 982 983 993 1003 1012
SH STAND OVER HEIGHT [MM] 688 715 740 760 777 794 822


What size frame do I need if I am between sizes? - read here

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 Road Bike Guide


Electric Road Bike Guide

Is an Electric Road Bike Right for Me?

If you are new to the world of cycling and ebikes, our electric bike buyers guide will give you a good overview of the different types of e bikes. This will help you decide if an electric road bike is right for you.

The best electric bikes for road cycling combine a powerful motor with good road bike platform. When choosing a road e bike, there are a few things that can help you decide which performance characteristics you can expect from a particular model.

How do E Bikes Work?

All our ebikes are pedal assist models. This means that the electric motor adds to your natural pedalling power, making it easier to ride. The effect is seamless, and you will feel the extra boost from the first pedal stroke. The harder you pedal the more the power the motor gives you. When you stop pedalling the motor stops too.

You can vary the amount of power that the drive unit delivers when you pedal. All you need to do is select one of the different power modes using the display unit or power button. Some e bikes allow you to customize these modes through a smart phone app that connects to the bike through Bluetooth.

Road cyclist on an electric road bike

By law all pedal assist ebike are limited to only offer assistance up to 15.5mph. This means that you can ride an ebike everywhere that you can ride a regular bike. You can of course ride faster, but you will have to rely solely on your own natural pedalling power at speeds over 15.5mph.

Are the motors different?

Hub drive motors

Hub drive motors sit inside the wheel hub. These motors are lighter weight than crank drive units but are less powerful, and the power is applied more subtly. You still get enough power to climb the hills and accelerate from a standing start easily, and once up to speed these bikes are easier to pedal. Because they produce less power, hub drive ebikes tend to have smaller battery packs that can be hidden in the frame more easily.

Electric Road Bike Guide

Crank drive motors

Crank drives use a more powerful motor that sits in the bottom bracket area of the bike. The power is added directly to the drivetrain through the cranks. The added power is much more noticeable on a crank drive bike and you will be able to power up the climbs like a Pro athlete. Of course, you can always turn down the amount of power that the motor delivers. This means that you can extend the range and take advantage of the larger battery packs that these bikes are equipped with. Specialist road bike crank drive motors like the Specialized Turbo SL are designed to offer just the right amount of power. These are smaller and lighter than crank drives that are designed for multiple platforms.

Electric Road Bike Guide


Most e bikes use a lithium Ion battery pack. These hold plenty of charge, offer long lasting performance and are quick to charge. The capacity of the battery varies depending on the model. Battery capacity starts at 250Wh for hub drive bikes and goes up to 500Wh or more on high-end crank drive bikes. The batteries can usually be charged both on and off the bike. A 500Wh battery pack will usually take about 4 hours to fully charge.

See how far you can ride an electric bike

Display and Connectivity

All ebikes have some type of display that allows you to swap between the different power modes. On some bikes the display is minimal with LED lights to show the remaining battery capacity and power modes. Others have screen that show additional ride data as well. The very best displays act like a high-end cycling computer.

Bosch Kiox display on an electric MTB

As well as the display unit many ebikes can also connect to a compatible smartphone app via Bluetooth. This opens up other options which may include GPS route planning and fine tuning of the power modes.

Which type of electric road bike is best for me?

Compared to mountain bikes road bikes have high cruising speeds. This means that the 15mph power assist limit needs more consideration with road e bikes. While a very powerful motor is great for getting up to speed and flying up the climbs you may find that the extra weight of a big motor and battery pack hold you back on the flat.

Hub drive road e bikes and lightweight crank drives like the Specialized Turbo SL are the best choice if you want the bike to feel similar to a regular road bike once you exceed the 15mph limit. These motors won’t get you up the climbs quite as fast as on a more powerful e bike, so if superfast climbing is your goal an e road bike with a more powerful crank drive motor might be best for you.


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

International Deliveries – Temporarily Suspended 11/11/20

Note: We are still offering deliveries to the Isle of Man, Scottish Highlands, Scottish Islands, Channel Islands, Isle of Wight, Jersey and Guernsey. 

Courier Delivery update: Due to the COVID19 situation, we are currently experiencing some delays with deliveries. Our couriers are working around the clock to get your order to you as soon as possible but there is a potential delay of up to 48 hours . Please check your tracking on track your order here.

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Please keep checking the TNT tracking for further updates. On behalf of TNT we apologise for any delay and inconvenience this may cause. 

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Returns & Warranty

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

We will give you a full refund 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

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