800.627.6664
*Free shipping on orders over $99
X

Free Shipping Policy

Free Shipping applies to all orders placed for $99 and above
(pre-tax value). Some restrictions apply:

  • Offer valid in the Lower 48 States only
  • Excludes Complete Bicycles, Framesets, and some other oversize items
  • Excludes certain sale items

Filters

Bicycles > Road > Complete

Description

Race bike development has narrowed to marginal gains—a few watts here, a handful of grams there—yet the Tarmac SL8 Pro represents more than incremental refinement over the platform it replaces. Drawing on lessons from the featherweight Aethos, Specialized built the SL8 to reach the UCI minimum weight with a full aero setup, with the range-topping S-Works frame claimed at 685 grams in a size 56. This Pro build uses the FACT 10r carbon layup rather than the S-Works 12r, a construction that trims material where loading allows while holding the stiffness needed to translate power into forward motion without flex-induced losses.

The geometry follows Specialized's Rider-First Engineered philosophy, tuning tube diameters, carbon layup, and wall thickness across the size range so smaller frames ride with a stiffness-to-compliance balance comparable to larger ones. The result is a bike that Specialized positions as stiffer at the pedals and more precise at the bars, paired with a compliant ride in the saddle. In the saddle the SL8 delivers 6% more compliance than the SL7, and its geometry and 32mm tire clearance are identical to the SL7, allowing higher-volume tires when the road roughens.

Aerodynamics received equal attention. Specialized calls the SL8 its most aerodynamic road bike, claiming it is faster than the Venge. A reshaped nose cone Specialized calls the Speed Sniffer optimizes clean air at the leading edge, and moving the steer tube back sharpens the head tube's leading edge for a lower-drag shape. A narrow seatpost, made possible by revised UCI rules, helps air move more cleanly around the legs. The clean internal routing keeps the front end free of exposed housing at speed.... Read More

Features

  • Tarmac SL8 FACT 10r carbon frame with Rider-First Engineered construction
  • SRAM Force eTap AXS 12-speed wireless electronic shifting
  • SRAM Force DUB power meter crankset, 48/35T chainrings
  • 10-33T 12-speed cassette
  • SRAM Force hydraulic disc brakes with 160mm rotors
  • Roval Rapide CL II wheels, 51mm front / 60mm rear depth, 21mm internal width
  • DT Swiss 350 hubs with DT Swiss Revolution spokes
  • Tubeless-ready, 32mm tire clearance
  • Roval Rapide carbon handlebar with alloy SL7 stem
  • Body Geometry Power saddle
  • Threaded bottom bracket, 12x142mm rear thru-axle, flat-mount disc
Geometry
Size 44cm 49cm 52cm 54cm 56cm 58cm 59cm 61cm
Wheel Size 700 700 700 700 700 700 700 700
Stack 491mm 504mm 517mm 534mm 555mm 581mm 568mm 602mm
Reach 369mm 378mm 383mm 387mm 398mm 405mm 413mm 411mm
Head Angle 70.5° 71.75° 72.5° 73° 73.5° 73.5° 73° 73°
Seat Angle 75.5° 75.5° 74° 74° 73.5° 73.5° 73.5° 73°
Top Tube Length 496mm 509mm 531mm 541mm 563mm 577mm 587mm 595mm
Head Tube Length 93mm 102mm 113mm 131mm 151mm 178mm 163mm 198mm
Standover 723mm 735mm 746mm 768mm 786mm 808mm 809mm 834mm
Fork Trail 71mm 63mm 58mm 58mm 55mm 55mm 55mm 52mm
Fork Offset 47mm 47mm 47mm 44mm 44mm 44mm 44mm 44mm
Bottom Bracket Drop 74mm 74mm 74mm 72mm 72mm 72mm 72mm 72mm
Front Center 572mm 574mm 577mm 579mm 592mm 606mm 610mm 613mm
Wheelbase 970mm 973mm 975mm 978mm 991mm 1006mm 1009mm 1013mm
Chainstay Length 410mm 410mm 410mm 410mm 410mm 410mm 410mm 410mm