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Trek Speed Concept 7.5 - 2015

Trek is well aware that every second counts, so their Speed Concept 7.5 is all about denying the clock. Optimum aerodynamics and serious speed come from the full-carbon frame that uses unique Kammtail shapes that cheat the wind even when it ...(Read More)

Trek Speed Concept 7.5
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Trek is well aware that every second counts, so their Speed Concept 7.5 is all about denying the clock. Optimum aerodynamics and serious speed come from the full-carbon frame that uses unique Kammtail shapes that cheat the wind even when it's coming from the side. Other aero tricks include hidden brakes, cables and a computer sensor that's built into the chainstay. Even the wheel quick releases hide from the wind, while the Bontrager tires do their part optimizing airflow. Beyond just aero, it's also a rocket when hammering on the pedals, providing excellent pedaling efficiency for maximum speed whether you go short or long. And the 7.5 boasts a proven Shimano Ultegra/Dura-Ace parts group for pro-level shifting and light, aero Bontrager wheels for free speed.

Three years in the making, Trek's Speed Concept takes revolutionary design paired with a groundbreaking aero shape to make the cleanest integration of brakes, cables, and electronics ever seen on a bicycle. It's the fastest way to the finish. (Click images to enlarge.)

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Cross winds greatly affect the aerodynamics of a bike. Most TT bikes have low drag when the wind is straight on, but in the real world, it's almost always a cross wind. The Speed Concept's Kammtail shape maintains its full aero benefits at any yaw angle. The result? Your bike is faster in any situation. Look Ma, no cables. You can look for the brake and shift cables, but you won’t see them—and neither will the wind. Cables contribute a massive amount of drag, and routing them internally through the bars and frame eliminates that drag and maximizes speed. The Speed Concept's rear brake is actually built into the fuselage. This innovative setup results in less drag and cleaner lines—a faster, sleeker, better solution.
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Even the quick-release skewers on the Speed Concept increase its speed. Trek integrates them into the shape of the bike for faster aerodynamics. Computer sensors create unwanted dirty air—but not if you build them seamlessly right into the frame. The Speed Concept is the first TT bike to integrate electronics into its aerodynamic shape. Out of sight, out of the wind. The minimal frontal surface area of the Speed Concept, combined with its svelte shape, makes the bike slice through the wind effortlessly, so more of the power you apply to the pedals translates directly into speed.
Trek's Speed Concept features a unique bottom bracket (image, top) that's 90mm wide (traditional ones are 68mm wide). This wide bottom bracket lets Trek build the frame with larger tubes for increased power transfer. Plus, the 90mm bottom bracket is machined so that the bearings can be placed directly into the frame (image) saving weight (due to fewer parts), ensuring additional pedaling efficiency and simplifying maintenance and repair.

Specs

Frame Trek 500 Series OCLV Carbon w/E2 head tube
Fork Bontrager Speed Concept KVF E2 carbon
Rims/Wheels Bontrager Race, tubeless-ready
Hubs See Rims/Wheels
Spokes See Rims/Wheels
Tires Bontrager R3 Hard Case Lite, 700 x 23c
Crankset Shimano Ultegra
Chainrings 52/36
Front Derailleur Shimano Ultegra
Rear Derailleur Shimano Ultegra
Rear Cogs Shimano Ultegra, 10-speed: 11-25
Shifters Shimano Dura-Ace bar-end
Handlebars Bontrager Race XXX Lite MonoExtension, carbon
Tape/Grips Bontrager Gel cork
Stem Bontrager Speed Concept, direct-mount
Brake Levers Bontrager Race Lite aero
Brakes Bontrager Speed Limit integrated
Saddle Bontrager RXL Hilo, Ti rails
Seatpost Bontrager Speed Concept Race Lite

Videos

Introducing Speed Concept

Trek OCLV - The World's Best Carbon

Driven Episode 5: Driven by Time