Sirrus Limited SL4
Part No.  

Sirrus Limited SL4

Part No.  
load-spinner
Combining the heart of the world's best road bikes with a flat-bar, urban-friendly form, Sirrus Limited redefines the notion of versatility. The super light FACT carbon frame and fork (both with Zertz) is stiff, fast, and highly compliant.
  • FACT IS constructed carbon frame with Endurance Road geometry, Zertz inserts, and tapered head tube delivers the pure speed of a high-end road bike in a flat-bar package
  • FACT carbon fork with Zertz inserts for a quick, responsive road feel and forgiving ride
  • Adjustable 4-position oversized forged alloy stem with 31.8mm bar clamp for strength and versatile positioning
  • Body Geometry Targa gel grips lock on and help alleviate hand pain and tingling fingers, integrated bar ends for changing hand position included
  • Specialized Pro FACT carbon crankset with 50/34 configuration for lightweight, wide-range gearing

Technical Specifications

DRIVETRAIN
CHAIN KMC X-10, 10-speed, reusable Missing Link, Ti
BOTTOM BRACKET OS integrated, sealed bearings
CRANKSET Specialized Pro, FACT carbon
FRONT DERAILLEUR Shimano Ultegra Ui2, 10-Speed
SHIFT LEVERS Custome, K-Edge Ui2 shifters for flat bar
CASSETTE SRAM Apex, 10-speed, 11-32t
CHAINRINGS 50/34, with KMC X-10, 10-speed, reusable Missing Link, Ti chain
REAR DERAILLEUR Shimano Ultegra Ui2, 10-Speed
WHEELS
FRONT HUB Sirrus 460V, forged alloy, double sealed, smooth ground race, 24h
REAR HUB Forged , sealed mechanism, ground races, cassette, custom shape and graphic, 32h
REAR WHEEL Roval Rapide SL35
INNER TUBES Specialized Presta Valve
SPOKES Stainless, 2.0mm (14g)
FRONT TIRE Specialized Espoir Elite, 60 TPI, Aramid folding bead, 25c
REAR TIRE Specialized Espoir Elite, 60 TPI, Aramid folding bead, 25c
FRONT WHEEL Roval Rapide SL35
COCKPIT
SADDLE Specialized Romin Evo, FACT Carbon rails, 143mm
TAPE Specialized Body Geometry Targa lock-on with Integrated Barend
SEATPOST Specialized CG-R, FACT carbon, 27.2
STEM Specialized Elite-Set, 3D forged alloy, 4-position adjustable, 4-bolt 31.8mm clamp
HANDLEBARS Specialized Double Butted Alloy Flatbar, 31.8mm, 6deg back bend
BRAKES
FRONT BRAKE AXIS DC 2.0, Dual Pivot
BRAKE LEVERS Shimano Alloy, flat handlebar road style
REAR BRAKE AXIS DC 2.0, Dual Pivot
ACCESSORIES
PEDALS Sirrus pedal, 1.5mm Varus Angle, nylon body, symmetric alloy cage, low profile bearing system, toe clip capable
FRAMESET
HEADSET 1-1/8"" upper, 1-3/8"" lower Campy style integrated cartridge bearing, with 15mm alloy conical spacer
SEAT BINDER Forged alloy, 32.6mm
FORK Specialized FACT carbon full monocoque w/ Zertz inserts
FRAME Specialized FACT 10r carbon, FACT IS construction, compact race design w/ Zertz inserts, 1-1/8” - 1 3/8” head tube

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