With an aerodynamic UHC Advanced carbon fiber frame and high-quality, competition-ready components, the AR4 is engineered to minimize drag. Extensive wind-tunnel development has proven it capable of shaving seconds off your time. It’s equally adept at climbing or sprinting, and with Shimano Ultegra drivetrain and Shimano wheels, you’re guaranteed reliable performance for the long haul.

Frame: Felt Aero Road UHC Advanced MMC carbon fiber w/ 3KP weave, InsideOut internal molding process, machined threaded aluminum BB shell, internal mechanical cable routing, carbon fiber dropouts & 6061 forged aluminum replaceable derailleur hanger
Fork: Felt Aero Road UHC Advanced monocoque fork, 100% carbon fiber 1.125"" steerer tube, crown, blades, & dropouts
Drivetrain: Shimano Ultegra shifters & derailleurs, FSA Team Issue Compact 52/36T crankset, Shimano chain & 11-25T cassette
Components: Ultegra Super SLR dual pivot brakes, Felt VS Aero 2014 triple butted aluminum bar, Felt SL 6061 aluminum 3D forged stem, Felt Aero UHC Advanced carbon fiber seatpost, Felt SL saddle w/ hollow Cr-Mo rails
Wheelset: Shimano WH-RS30
Accessories: n/a
Finish: 1) Gloss carbon
Sizes: 700c x 51cm, 54cm, 56cm, 58cm, 61cm
Weight: 17.95lbs/8.14kg

• 1) Gloss carbon
• Sizes: 700c x 47cm, 50cm, 53cm, 55cm, 57cm, 60cm
• Weight:
• Frame: Felt Cyclocross UHC Performance MMC carbon fiber w/ 3KP weave, shoulder friendly top tube, InsideOut internal molding process, BB30 shell, Di2 internal/mechanical external convertible cable routing, 1 piece forged aluminum dropouts & 6061 forged aluminum replaceable derailleur hanger
• Shock: n/a
• Fork: Felt CXR UHC Advanced 3KP weave monocoque fork, carbon fiber Controltaper 1.125"" --> 1.5"" steerer tube, crown, & fork blades w/ cantilever brake pivots, & forged aluminum dropouts
• Headset: FSA NO.42 CX 1.125"" --> 1.5"" integrated, w/ aluminum 15mm conical spacer w/ brake cable hanger, 2 X 10mm aluminum headset spacer, 1 x 5mm aluminum headset spacer, Felt carbon fiber top cap & 7075 anodized aluminum bolt
• Stem: Felt SL 6061 aluminum 3D forged +/-7° rise, Ø31.8mm bar clamp, custom Cr-Mo bolts, 131g; 47cm=80mm, 50cm=90mm, 53cm-55cm=100mm, 57cm=110mm, 60cm=120mm
• Handlebar: Felt VS SL 6061 butted aluminum w/ Felt Variable Shape ergonomic drop, Ø31.8mm, 47cm=380mm, 50cm=400mm, 53cm=420mm, 56cm-60cm=440mm
• Grips: Felt All Weather tape w/ no-slip texture
• Bar Ends: Felt bubble-tech ""F Wing"" icon end plugs
• Shifters: SRAM Red Double Tap
• Front Derailleur: SRAM Force Ø31.8mm clamp
• Rear Derailleur: SRAM Red
• Crankset: SRAM S300 BB30 3D cold forged aluminum cyclocross , 46/38T; 47cm=165mm, 50cm=170mm, 53cm=172.5mm, 55cm-60cm=175mm
• Chainwheel 46/38T
• Chainguide: n/a
• Bottom Bracket: SRAM BB30
• Pedals: n/a
• Chain: SRAM 10 speed w/ PowerLock
• Freewheel: SRAM 11-26T
• Brake Levers: SRAM Red
• Brakes: TRP Euro X cyclocross cantilevers w/ road cartridge brake pads. & straddle cable barrel adjuster
• Cables: SRAM Red by GORE brake & derailleur
• Saddle: Felt SL road saddle w/ carbon fiber injection molded base, polyurethane foam, embossed cover & hollow Cr-Mo rails
• Seat Post: Felt CXR.2 forged 6061 aluminum 1 piece lightweight twin side clamp bolt design, Ø27.2mm, 300mm
• Seat Post Clamp: Ø31.8 6061 forged aluminum, Cr-Mo 5mm x 0.8mm bolt, stainless steel nut-bar w/ rearbrake cable stop
• Rims: Fulcrum Racing 5 CX 24mm deep 6061 aluminum rim, 20H front, 24H rear
• Front Hub: Fulcrum Racing 5 CX aluminum 20H & Fulcrum quick release
• Rear Hub: Fulcrum Racing 5 CX aluminum 24H 2:1 w/ Shimano 10 speed compatible freehub body & Fulcrum quick release
• Spokes: Fulcrum Racing 5 CX straight pull aero Dynamic Balance stainless steel laced radial front, 2:1 Two-to-One™ 2x drive, radial non-drive rear; brass external nipples
• Tires: Vittoria Cross XG 700c x 32c Kevlar foldable