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Merckx EMX-3/Shimano Ultegra Complete Road Bike - 2012

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Item # EDD0009

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With a nickname that means one that eats the flesh of its own kind, it's safe to say that you're dealing with something that shouldn't be taken lightly. Such is the case with "The Cannibal" himself, Mr. Merckx, who, over the course of his storied cycling career, amassed 525 victories. And so, as with every bicycle that wears the Eddy Merckx signature, the EMX-3/Shimano Ultegra Complete Road Bike - 2012 was built on a competition-consuming, race-oriented platform that blends low weight, stiffness, and speed into a complete package.

Starting with the frame itself, Merckx's EMX-3 was constructed using a full Carbon Laminate + layup. Essentially, this technique involves layering the carbon fiber sheets together in ways that maximize the strength and rigidity of the frame. This layup is combined with Merckx's Optimized Structural Reinforcement (OSR), which, as the name suggests, places high modular (30HM) stiffness fibers in strategic areas for added reinforcement. These fibers are used in conjunction with high-strength fibers at force-load-heavy zones, such as the bottom bracket and head tube junctions. By using these techniques together, Merckx engineers were able to add material where it's needed for increased rigidity, while removing material at less flex-prone areas to keep the overall weight as low as possible. This is the same technique used for all of Merckx's top-end carbon road frames, as it yields the ideal combination of stiffness, low weight, and vertical compliance.

With a slightly relaxed geometry, the EMX-3 provides a comfortable ride, yet it still possesses the race-tuned characteristics necessary that are for competitive road racing. Aside from the frame's optimized layup schedule, the fork has also been designed to deliver maximum stability and speed. The blades flare to a wide shape toward the 1-1/4 to 1-1/8in steerer, which works to both cut aerodynamic drag and to provide precise handling up front. Similarly, at the rear end of the frame, both the seatstays and chainstays were designed with handling and power transfer in mind. Their slender shapes provide the ideal blend of comfort and transmission of power directly to the rear wheel.

For the build of the EMX-3, Merckx complemented its BB86 bottom bracket with a full Shimano Ultegra 10-speed group set. The machine includes Shimano's compact 50/34t crankset and an 11-25t cassette. At the cockpit, the build features a FSA Wing Pro handlebar and FSA SLK stem, with a Prologo Nago Evo Ti saddle perched atop the FSA SLK seatpost. In terms of wheels, the EMX-3 rolls on a pair of Fulcrum Racing 5 clinchers.

The Merckx EMX-3/Shimano Ultegra Complete Road Bike - 2012 is available in sizes 42, 45, 48, 51 and 54cm and in the colors Black/carbon, Orange/black, and White/black/red.

Tech Specs

Frame Material:
carbon fiber
Fork Material:
carbon fiber
Shimano Ultegra
Front Derailleur:
Shimano Ultegra
Rear Derailleur:
Shimano Ultegra
50/34 t Shimano Ultegra
Bottom Bracket:
not included
Shimano Ultegra
Brake Calipers:
Shimano Ultegra
FSA Wing Pro
Prologo Nago Evo Ti
Fulcrum Racing 5
Recommended Use:
cannibalizing the race
Manufacturer Warranty:
limited lifetime on frame

sizing chart

Bike size by rider height


Geometry chart

Eddy Merckx

Geometry Chart



Effective Seat Tube

Effective Top Tube






Stand Over

Head Tube


Head Tube Angle


Seat Tube Angle


Bottom Bracket Drop




42 50.7cm 51.9cm 52.6cm 36.9cm 79.2cm 12.9cm 71.5o 74.2o 7.1cm  41.4cm 97.3cm
45 52.9cm 53.4cm  54.6cm 37.3cm 81.2cm 14.9cm 71.9o 73.7o 7.1cm 41.4cm 98.2cm
48 55.4cm 55.0cm 56.8cm 37.8cm 83.6cm 17.3cm  72.3o 73.2o 6.9cm 41.4cm 99.1cm
51 57.7cm 56.7cm 58.9cm 38.4cm 85.7cm 19.3cm 72.7o 72.7o 6.9cm 41.4cm 99.9cm
54 60.1cm 58.3cm 61.0cm 38.8cm 88.0cm 21.6cm 73.1o 72.2 o 6.7cm 41.4cm 100.6cm

Reviews & Community


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What's the model # on the Ultegra...

What's the model # on the Ultegra gruppo?

For 2012, the Shimano Ultegra 10 speed group is 6700.

In 2013 they moved to 6800 with an 11 speed.

For 2012, the Shimano Ultegra 10 speed group is 6700.
In 2013 they moved to 6800 with an 11 speed.

Good bike, great at this price

  • Familiarity: I've used it once or twice and have initial impressions

The bike is beautiful out of the box and is well spec-ed, especially for under 2K. The frame is very muted and yet not wooden: it jumped when you accelerate uphill and feels light. Descending is a joy even though the head tube on the 51 I bought was far too high even with a -10 stem for someone used to a greater drop (the FSA wing Compact while a great bar doesn't help here as it's drop is 20mm less than my current bar making my torso position that much higher). I was not a fan of the setback with the included (and lovely aesthetically) 20mm set back FSA SLK carbon post but I think that this frame was a touch large for me (6ft with a 34 inch inseam and longish arm).

For all these reasons I sent the bike back and am ordering the 48 as the head tube is 25 mm shorter and the setback a bit less. Still I imagine I will want a 0 mm setback post with this frame. My current bikes are more conventional shaped frames without the sloping top tube, but I still like this bike a lot and if the size is right I think that it could be a great bike. It doesn't feel like a comfort bike like the Synapse or (gasp) Roubaix and the tubes are beautifully shaped. It's only too bad that it's not the Campy version on sale!

Did you measure the stand over on the 51. It appears I am just slightly taller and it could be in the torso which would make the 51 my size, but purchasing like this is scary. I rode one 2 years ago but do not remember the size, just remembers it was a bike I would be happy with.

Unanswered Question

For size 48 bike, can I change the crankset...

For size 48 bike, can I change the crankset to 52/39?

why don't you post the weight on all your...

why don't you post the weight on all your bikes???????

I thinking they wont because its heavy. It is heavier than my old aluminum bike. I was a little disappointed in the weight.

We do try to post weights on all of our products, but that is certainly a challenge that we are still working on as more and more inventory is available on the site. Also, there can be a variation in weight between the sizes. For that build, we would likely be looking at something in the 17-18 lb range,

After too many years with an aluminum...

After too many years with an aluminum frame, I'm shopping for carbon. What is the length of the crank arms for a 48cm?

The 48 size bike uses 172.5mm crank arms. 42cm handlebars and a 110mm stem.

Nice looking bike, great components

  • Familiarity: I've used it once or twice and have initial impressions

This bike looks fast just standing still! Unfortunately, I won't know for another 3 months when the snow has melted. Two things I found that disagree with the written specs;

1) The 2012 frame does not have a BB86 bottom bracket, this has an Italian thread. Good to know if you plan on switching the Ultegra compact crank with some other manufacturers crankset.

2) The cassette is a 12-23, not an 11-25.

I will post a follow-up review after I have ridden this bike a few hundred miles.

Where is the frame made?

Where is the frame made?

I don't know for sure but I'm guessing the frame is manufactured in Asia, just like all the big name, carbon frames are.

For size 51. What size crankset? What stem...

For size 51. What size crankset? What stem size? Can I change the size of the tires to 28 mm?


The 51cm size has the following part specs:

Stem: 120mm

Crankset: 175mm

Handlebar: 44cm

Tires: Vittoria Rubino Pro 23mm

The tires are as spec'd by Merckx and are not swapable. If you had a different set of tires in mind, please feel free to contact our customer service department at 888-276-7130. They would be happy to discuss different tire options for you.

The frame sizes seem to be unusual. I'm...

The frame sizes seem to be unusual. I'm 6'1" and currently ride a 58 cm frame that's probably a little too long, would I be looking at a size 51 in this bike? Thanks.

No answer, but I have the same concerns. The geometry is completely different than what I expected from a 54cm.

A 51 in this bike would be equivalent to roughyl a 58 in some other bikes. No measuring system is exact though.

The safest bet is to compare the stack and reach numbers to your current geometry. If that data isn't available, the estimated top tube is the next best number to compare.

The Merckx EMX-3/Shimano Ultegra Complete...

The Merckx EMX-3/Shimano Ultegra Complete Bike - 2012 looks like a great deal. I realize pedals are not included, but are tires part of the package? I don't see any listed.

Best Answer

Sorry about that Dieter, this bike does indeed come with tires. They are Vittoria Rubino 700x23.

How much assembly is required for a bike...

How much assembly is required for a bike (eg installation of crank, routing of internal cables....etc) ?

Best Answer

Hey Benjamin,

Our bikes are fully assembled prior to shipping. We would then remove the wheels, remove the seat/seatpost, as well as unbolt the handlebars from the stem to ensure safe packing and travel of your bike.