S-Works Amira SL4 Compact
Part No.  

S-Works Amira SL4 Compact

Part No.  37738
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Ridden by the most successful professional women's cycling teams in the world, the S-Works Amira SL4 is the lightest, stiffest, and fastest women's bike around, featuring an all-new FACT 11r carbon frame with women's-tuned geometry, tapered head tube, and internal cable routing, plus Pro Tour-proven Shimano Dura-Ace components, and our Roval Rapide CLX 40 carbon clincher wheels.
  • Women's-specific, ergonomic carbon handlebars for superior fit, comfort, stiffness, and strength at minimal weight
  • S-Works FACT IS 11r carbon frame uses women's performance geometry and carbon lay-up, with OSBB, plus integrated, tapered head tube to create a light, stiff and fast ride
  • S-Works FACT monocoque fork with a tapered 1-1/8" to 1-3/8" headset for strength and precision steering
  • Specialized S-Works FACT carbon crankset with OSBB, removable carbon spider, and ceramic bearings has incredible stiffness-to-weight for max power, plus new Shimano Dura-Ace drivetrain for precise and quiet shifting
  • Ultra-light Roval Rapide CLX 40 wheelset for low aerodynamic drag, and low rolling resistance thanks to Ceramic Speed bearings.
  • Women's-specific contoured Body Geometry Oura Pro saddle for optimal power transfer and all-day comfort, with carbon rails
  • New Shimano Dura-Ace front and rear brakes for superior stopping power without sacrificing weight

Technical Specifications

FRAMESET
SEAT BINDER Forged bolt and nut, 32.6mm
HEADSET 1-1/8"" upper and 1-3/8"" lower Cr-Mo cartridge bearings, w/ 20mm carbon cone spacer and 20mm of carbon spacers
FORK S-Works Amira, FACT carbon, full monocoque, 1-1/8"" to 1-3/8"" tapered steerer
FRAME S-Works SL4 FACT 11r, FACT IS Construction, women's tubeset, tapered 1-1/8 to 1-3/8 HT, carbon OSBB
WHEELS
REAR WHEEL Roval Rapide CLX 40 with Ceramic Speed bearings
INNER TUBES Turbo Ultralight, 60mm, presta
FRONT TIRE S-Works Turbo, BlackBelt, 220TPI, aramid bead, 700x23c
REAR TIRE S-Works Turbo, BlackBelt, 220TPI, aramid bead, 700x23c
FRONT WHEEL Roval Rapide CLX 40 with Ceramic Speed bearings
DRIVETRAIN
BOTTOM BRACKET Ceramic Speed, OSBB integrated ceramic, 30x42x7mm
CHAIN New Shimano Dura-Ace 11-speed
CRANKSET S-Works FACT carbon
CASSETTE Shimano Dura Ace, 11-speed, 11-28
SHIFT LEVERS New Shimano Dura-Ace STI
FRONT DERAILLEUR New Shimano Dura-Ace 11-speed
CHAINRINGS 50/34
REAR DERAILLEUR New Shimano Dura-Ace 11-speed
COCKPIT
SADDLE Body Geometry Oura Pro Gel, carbon rails, 155mm
TAPE Specialized S-Wrap
SEATPOST S-Works SL, FACT carbon, 27.2mm
HANDLEBARS Specialized Women's SL carbon, shallow drop
STEM New S-Works SL stem, 7050 3D-forged, CNC head bolts
BRAKES
FRONT BRAKE New Shimano Dura-Ace
REAR BRAKE New Shimano Dura-Ace
ACCESSORIES
PEDALS Nylon flat test ride, loose ball, w/ reflectors

Geometry

Geometry Chart

- Geometry

 
Stem Length 75mm 75mm 90mm 100mm 100mm
Crank Length 167.5mm 167.5mm 170mm 170mm 172.5mm
Handle-Bar Width 360mm 380mm 400mm 400mm 420mm
Reach 365mm 371mm 378mm 378mm 380mm
Wheelbase 970mm 974mm 976mm 982mm 993mm
Stack 503mm 515mm 528mm 547mm 564mm
Seat-Tube Length, B-B Center to Top 390mm 420mm 460mm 490mm 510mm
Head-Tube Length 105mm 115mm 125mm 145mm 165mm
Top-Tube Length, Horizontal 498mm 506mm 518mm 537mm 548mm
Front-Center 576mm 580mm 582mm 588mm 596mm
Head-Tube Angle 70.5° 71.25° 72° 72° 72°
Fork Rake 51mm 51mm 49mm 49mm 49mm
Trail 66mm 62mm 59mm 59mm 59mm
Stand-Over Height 692mm 718mm 735mm 758mm 777mm
Chain-Stay Length 405mm 405mm 405mm 405mm 408mm
Seat-Tube Angle 76° 75.75° 75.5° 74° 73.5°
B-B Drop 73mm 73mm 73mm 73mm 71.5mm
Seat-Post Length 300mm 300mm 300mm 300mm 350mm

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