With a SL4 FACT 8r frame and light, efficient 2X10 drivetrain, the Sirrus Pro is up for any challenge and will do it as fast you want, with the added benefit of flat bar convenience for getting around in urban environments.
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Frame:
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Specialized SL4 FACT 8r carbon disc, 1-1/8" head tube, threaded BB
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Fork:
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Specialized FACT carbon full monocoque w/ Zertz inserts
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Front Derailleur:
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Shimano 105
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Rear Derailleur:
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Shimano Ultegra
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Number of Gears:
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20
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Shifters:
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Shimano SL-R780, Rapidfire
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Chainset:
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FSA SL-K, carbon arms, OSBB, alloy rings
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Chainrings:
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50/34T
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Bottom Bracket:
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FSA, sealed bearings
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Cassette:
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Shimano HG-62, 10-speed, 11-32T
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Chain:
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KMC X10
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Pedals:
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Sirrus, 1.5mm Varus angle, nylon body, symmetric alloy cage, low profile bearing system, toe clip capable
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Brakeset:
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Formula C1, hydraulic disc, dual piston, 160mm rotor
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Handlebars:
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Specialized flat bar, double-butted alloy, 10-degree backsweep, 31.8mm
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Stem:
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Specialized Elite-Set, 3D forged alloy, 4-position adjustable, 4-bolt, 31.8mm clamp
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Headset:
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1-1/8" FSA Campy style, integrated cartridge, 15mm alloy cone spacer
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Grips:
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Specialized Body Geometry Targa, lock-on w/ integrated bar end
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Wheelset:
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AXIS 4.0 Disc
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Front Tyre:
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Specialized Espoir Elite, 60TPI, aramid bead, double BlackBelt protection, 700×25c
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Rear Tyre:
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Specialized Espoir Elite, 60TPI, aramid bead, double BlackBelt protection, 700×25c
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Saddle:
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Body Geometry Targa Sport, steel rails, 155mm
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Seatpost:
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Specialized CG-R, FACT carbon, single bolt, 27.2mm
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Seat Binder:
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Alloy, 32.6mm
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Weight:
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Not Specified