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With an aerodynamic Ultra High Modulus carbon fiber frame and high-quality, competition-ready components, the AR4 is engineered to minimize drag and maximize performance.  As with the entire AR family, its proprietary wind tunnel developed design offers an aerodynamic advantage of almost 2% over conventional round tube shaped bikes.  If that doesn't seem like much, how does a free minute every hour sound?  It’s equally adept at climbing or sprinting, and Shimano Ultegra drivetrain and Felt Aero R2 wheels offer reliable performance for the long haul.
Frame: Felt Aero Road UHM High Modulus Modular Monocoque carbon fiber frame with 3KP Finish; internal cable routing, carbon fiber dropouts & replaceable derailleur hanger
Fork: Felt 1.3A Bladed Aero UHM High Modulus Fork with aero carbon fiber blades, carbon fiber crown, carbon fiber steerer tube & carbon fiber Dropouts; 450 grams
Drivetrain: Shimano Ultegra STI; Ultegra braze-on front derailleur; Ultegra rear derailleur; Ultegra 53/39T crankset; Ultegra chain, 11-25T cassette
Components: Shimano Ultegra Super SLR dual pivot brakes; Felt 1.3 2014 triple butted aluminum with aerodynamic wing top section handlebar; Felt 1.1 2014 aluminum 3D forged stem; Felt 1.1a UHM carbon fiber standard offset bladed monocoque seatpost; Felt 1.2 road saddle with carbon injected base, embossed cover & hollow Cr-Mo rails
Wheelset: Felt AeroR2 700c 28mm deep aluminum rims with CNC machined braking surface, 20H front/24H rear with Cr-Mo quick release skewer & DT Bladed butted 1.8/0.9 x 2.3/1.8mm with aluminum nipples
Accessories: N/A
Finish: Matte Clear & Pewter
Sizes: 700c x 51, 54, 56, 58, 61cm
Weight: 16.93 pounds (56cm)
MSRP: $3499
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