Roubaix SL4 Expert Ui2 Compact
Part No.  

Roubaix SL4 Expert Ui2 Compact

Part No.  
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The smoother, faster Roubaix SL4 Expert Ui2 features a super light and stiff FACT 10r carbon frame with tapered head tube, Zertz vibration dampers, and full internal cable routing—the same design that Tom Boonen rode to win the 2012 Paris-Roubaix. Equipped with Shimano Ultegra Ui2 components, and DT Axis 4.0 wheels.
  • Shimano Ultegra compact crankset for legendary shifting performance
  • Specialized Expert shallow drop alloy bar for serious performance, wrapped with non-slip Specialized Roubaix tape for vibration-damping
  • Specialized FACT IS 10r carbon SL4 frame with Zertz is the fastest and smoothest endurance bike available, with size specific engineering, tapered headtube, ultra lightweight.
  • All-new Specialized FACT carbon fork with Zertz has size-specific engineering that creates a more balanced and stable ride for riders of different sizes
  • Shimano Ultegra Di2 10-speed electronic shifters for precise, hassle-free shifting, while Shimano Ultegra compact crankset keeps shifting butter smooth and laser accurate
  • Specialized Roubaix Pro 120 TPI tire has 23mm tread handles quick and fast while the 25c casing smooths our ride and keeps you fresh longer
  • Minimalist, high-performance Body Geometry Toupe RBX saddle with hollow Cr-Mo rails, flat profile and generous padding, partnered with FACT carbon Comp seatpost to absorb road vibrations

Technical Specifications

DRIVETRAIN
CHAIN Shimano Tiagra 10-speed
BOTTOM BRACKET OS integrated, sealed bearings
CRANKSET Shimano Ultegra compact
FRONT DERAILLEUR Shimano Ultegra Di2
SHIFT LEVERS Shimano Ultegra Di2
CASSETTE Shimano Tiagra, 10-speed, 11-28
CHAINRINGS 50/34
REAR DERAILLEUR Shimano Ultegra Di2
WHEELS
REAR WHEEL DT Axis 4.0
INNER TUBES Lightweight, presta
FRONT TIRE Specialized Roubaix Pro, BlackBelt, 120TPI, aramid bead, 700x25c
REAR TIRE Specialized Roubaix Pro, BlackBelt, 120TPI, aramid bead, 700x25c
FRONT WHEEL DT Axis 4.0
COCKPIT
SADDLE Body Geometry Toupé RBX Comp, hollow Cr-Mo rails, 143mm
TAPE Specialized Roubaix tape w/ 2.5 gel pads
SEATPOST Specialized Comp, FACT carbon, 27.2mm
STEM Specialized Comp-Set 6061 alloy, cone head bolt, 12-degree, 4-degree shim, 31.8mm
HANDLEBARS Specialized Expert alloy, shallow drop
BRAKES
FRONT BRAKE Shimano Ultegra
REAR BRAKE Shimano Ultegra
ACCESSORIES
PEDALS Nylon flat test ride, loose ball, w/ reflectors
FRAMESET
HEADSET 1-1/8"" upper and size specific lower stainless steel cartridge bearings, 20mm carbon cone spacer and 20mm of carbon spacers
SEAT BINDER Forged bolt and nut, 32.6mm
FORK Roubaix size specific, FACT carbon full monocoque, Zertz
FRAME Specialized FACT 10r carbon, FACT IS construction, tapered/shaped 1-1/8"" to size specific lower HT, compact race design, Zertz, internal cable routing, threaded BB

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