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Merida eSilex 600 2022

eSILEX + 600 

When we started riding our first bike and managed to stay upright after countless attempts, we very quickly made our bikes our constant companion on our explorations of the neighbourhood and the local woods. Fast forward to today, and with a long list of other jobs, we expect our bikes to do, we still enjoy the freedom and ability our bikes give us when it comes to exploring. However, sometimes we also look for that little ‘tailwind’ that makes carrying the extra load, climbing the steeper slopes or going the extra mile a little bit easier. Our e-assisted eSILEX could be exactly the bike you are looking for. It combines low overall weight, a sleek silhouette, stylish looks, versatility and perfectly matching e-motor assistance into the perfect package for today’s modern way of travelling...and exploring.


So, if you are often looking for the off-road alternative when you are out on your bike or need a ‘supportive’ companion for your next bike adventure or bikepacking weekend, or perhaps you simply enjoy exploring the path unknown, then the eSILEX might be the perfect assisted bike for you. The rear-hub MAHLE system with integrated battery offers a neutral support level whenever your journey requires some e-motor assistance. Similarly, to the non-assisted SILEX, the eSILEX is available in the more rugged 650B or the more fast-rolling 700c set-up. Both versions come with gravel/off-road tyres for extra grip. A large number of fixing points on the frame, as well as the fork, turn the eSILEX into an adventure rig without any fuss.

Battery integration

The internal battery is perfectly integrated into the downtube and allows for a sleek tube shape. The 250 Wh capacity offers sufficient range in the city and on training rides, with the option of an external range extender with an additional 208 Wh capacity. 

iWOC control unit

To keep the cockpit as clean as possible, we have placed the iWOC on/off switch on the top tube. This location makes it perfect for reaching it in every riding condition. MAHLE's iWOC switch is not just an on/off switch but the rider can also toggle between the different support level by pressing the button. Different colours of the ring indicate at which level the system is running. 

Charging port

To easily charge the internal battery of the eSILEX, we have positioned the charging port at the down tube/seat tube junction, just above the bottom bracket. This position is perfectly protected and easily accessible


For our newly added eSILEX, we are using the trusted MAHLE ebikemotion X35+ motor and battery system that is renowned for its compact size, low weight and an extremely natural riding feeling when delivering assistance as well as when cruising above the 25 km/h maximum support level. 

The rear hub MAHLE motor system X35+ offers 40 Nm of smooth and easy to use support and is powered by a 250 Wh internal battery. While the 250 Wh capacity doesn't sound a lot in the first instance, the weight and the efficiency of the rear hub engine in combination with the riding style of an e-road bike, the battery has enough capacity to have a long day in the saddle. And should the integrated battery prove to be not sufficient for an extra-long outing, then a 208 Wh range extender that can be mounted to the frame like a water bottle will make sure that there is plenty of juice in the tank. 

All these aspects make our MAHLE equipped eSILEX feel almost like a non-assisted bike when going beyond the support level. The rear hub motor has almost no drag when not engaged and keeps the silhouette of the bike as 'non-e-bike' as possible. The intelligent software of the system offers the opportunity to set the support levels at usage-specific levels, allowing, for example, the eSILEX set-up to be distinctively different to a more road or commuting focused configuration - ideal to give our three different e-road bikes the unique set-up their primary 'playgrounds' require. 


Full Specs  
Modell/Model Merida eSilex 600 , 2022
Rahmen/Frame Merida eSilex+  Lite 
Gabel/Fork Silex CF2 FM
Dämpfer/Rear Shock -
Federweg hinten/Travel rear -
Steuersatz/Headset Merida M2331
Vorbau/Stem MERIDA Expert IR
Lenker/Bar MERIDA Expert GR
Vorderradbremse/Brake f. Shimano GRX 600 160mm
Hinterradbremse/Brake r. Shimano GRX 600 160mm
Bremshebel/Brake lever Shimano GRX 600
Umwerfer/Front derailleur -
Schaltwerk/Front derailleur Shimano GRX 812
Schalthebel/Shifter Shimano GRX 600
Kassette/Cassette Shimano  CS HG 5100
Kette/Chain KMC e11x
Kurbel/Crankset Shimano GRX 600
Innenlager/BB Shimano PF
Pedale/Pedals -
Vorderrad/Front wheel Merida Expert CX, 12x100
Hinterrad/Rear wheel Merida Expert CX , 12x142, Mahle X 35
Reifen vorne/Front tyre Continental Terra Trail , 650B 47 
Reifen hinten/Rear Tyre Continental Terra Trail , 650B 47 
Sattelstütze/Seatpost Merida Expert CC 
Sattel/Saddle Merida Comp  CC
Bemerkungen/Note 14 kg


Frame Size XS S M L XL
Tyre Sizes 27.5" 27.5" 27.5" 27.5" 27.5"
Frame Size CM 47 49 51 53 56
ST seat tube [mm] 470 490 510 530 560
TT top tube [mm] 525 540 555 570 585
CS chain stay length [mm] 431 431 431 431 431
HTA head tube angle [°] 69.5 70 70.5 71 71.5
STA seat tube angle [°] 75 75 75 75 75
BD bottom bracked drop [mm] 70 70 70 70 70
HT head tube [mm] 145 160 175 190 205
FL fork length [mm] 400 400 400 400 400
R reach [mm] 374 384 395 406 416
S stack [mm] 565 581 597 613 629
WB wheel base [mm] 1032 1044 1055 1066 1076
SH stand over height [mm] 748 767 785 804 830


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