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Merckx EMX-5 Road Bike Frameset

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Item # EDD000D

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When a guy holds a nickname as fierce as "The Cannibal," you know that you're dealing with something serious. Mr. Merckx's line of EMX bicycles are equally as bold, carrying over the best race-tuned characteristics from the previous year's EMX collection, and adding several key technological updates along the way. The result is the new 2011 EMX-5 Road Bike Frame, which blends low weight, stiffness, and speed into a complete package — a secret weapon the Quick-Step team riders used to their full advantage for all of the season's top races.

Starting with the frame itself, Merckx's EMX-5 was constructed using a full Carbon Laminate + layup. Essentially, this technique involves layering the carbon fiber sheets together in ways that maximize both 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 (50HM/HS) 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 BB86 bottom bracket and head tube junctions. By using these methods together, Merckx engineers were able to add material where it's needed for increased rigidity, while removing material at less flex-prone areas, thus keeping 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.

The EMX-5 provides a comfortable ride, yet it still possesses the race-tuned characteristics that are necessary 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 carbon blades, made from OSR 50 1K carbon, flare to a wide shape toward the 1-1/2 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.

The Merckx EMX-5 Road Bike Frame - 2011 includes an FSA K-Force seatpost and features internal cable routing. It's available in the sizes 50, 52, and 58cm and in the Quick-Step colorway.

Tech Specs

Frame Material:
Carbon OSR 50HM1K
Fork Material:
carbon fiber
Head Tube Diameter:
1-1/2 to 1-1/8in tapered
Headset Included:
Bottom Bracket Type:
Cable Routing:
Front Derailleur Mount:
Derailleur Pull:
Seatpost Diameter:
31.6 mm
Seat Collar:
FSA K-Force seat post
Recommended Use:
road race
Manufacturer Warranty:
limited lifetime

sizing chart

Bike size by rider height


Geometry chart

Eddy Merckx

Geometry Chart


EMX-5 2011, 2013

Seat Tube


Effective Top Tube






Stand Over

Head Tube


Head Tube Angle


Seat Tube Angle


Bottom Bracket Drop




50 50.7cm 53.3cm 51.1cm 38.3cm 77.7cm 11.4cm 71.3 73.8 7.1cm 40.8cm 98.0cm
52 52.5cm 54.5cm 52.7cm 38.7cm 79.3cm 12.9cm 71.7 73.4 7.1cm 40.8cm 98.5cm
54 54.0cm 55.7cm 54.1cm 39.2cm 80.9cm 14.5cm 72.0 73.1 6.9cm 41.0cm 99.5cm
56 55.8cm 56.9cm 55.6cm 39.6cm 82.4cm 16.0cm 72.4 72.7 6.9cm 41.0cm 100.0cm
58 57.9cm 58.2cm 57.1cm 40.1cm 83.9cm 17.4cm 72.7 72.4 6.9cm 41.2cm 100.9cm
60 59.7cm 59.5cm 58.6cm 40.5cm 85.7cm 19.1cm 73.1 72.0 6.7cm 41.2cm 101.4cm

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Unanswered Question
Avg. ride time: 53m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Will Ultegra Di2 work on this frame?