Specifications
One Bike To Rule Them All
For nearly half a century, Specialized has pursued one goal: helping riders cross the finsh line first. Every generation of Tarmac has been shaped by this belief, refined through racing at the highest level and relentless engineering. With Tarmac SL9, the definition of speed evolves. Rather than chasing individual performance metrics, speed is deliberately defined as an outcome. The only outcome that matters in racing is Time to Finish.
Tarmac SL9 is not defined by a list of features. It is defined by a measurable philosophy. Speed is defined as Time to Finish, and the Equation of Speed is the governing framework that converts rider power into elapsed race time by integrating the variables that determine races.
By treating rider and bike as one system, validating aerodynamics with rider motion, using statistical distributions for slope and wind, and optimizing shapes around a Time to Finish objective, SL9 advances the definition of speed beyond simplified metrics.
Not an aero bike. Not a climbing bike. The fastest race bike by the only metric that decides winners. Fastest Time to Finish wins.
Frame
S-Works Tarmac SL9 FACT 12r Carbon, Rider First Engineered, Win Tunnel Engineered, Ceramic Speed SLT headset bearings, Threaded BB, 12x142mm thru-axle, flat-mount disc, UDH dropout
Fork
S-Works FACT 12r Carbon, 12x100mm thru-axle, flat-mount disc
Front Brake
SRAM RED E1, hydraulic disc
Rear Brake
SRAM RED E1, hydraulic disc
Shift Levers
SRAM RED AXS E1, hydraulic disc
Front Derailleur
SRAM RED AXS E1, braze-on
Rear Derailleur
SRAM RED AXS E1, 12-speed
Cassette
SRAM RED XG-1290 E1, 12-speed, 10-36t
Chain
SRAM RED E1
Crankset
SRAM RED AXS E1 with Quarq Power Meter, 50/37
Bottom Bracket
Ceramic Speed BB Alpha, BSA DUB
Front Tire
Cotton TLR, 700x30
Front Wheel
Roval Rapide CLX III, Tubeless, 21mm internal width carbon rim, 51mm depth, Win Tunnel Engineered, Roval LF18F 18H hub with Sinc Ceramic Bearings, Roval by ARRIS Composite Aero Spoke with Ti end fittings
Rear Tire
Cotton TLR, 700x30
Rear Wheel
Roval Rapide CLX III, Tubeless, 21mm internal width carbon rim, 48.5mm depth, Win Tunnel Engineered, Roval LF19-R 24H hub with Sinc Ceramic Bearings, Roval by ARRIS Composite Aero Spoke with Ti end fittings
Inner Tubes
700x25-35mm, 65mm Presta valve, TPU tube
Handlebars
Roval Rapide Cockpit, Integrated Bar/Stem
Tape
Supacaz Super Sticky Kush
Saddle
S-Works Power with Mirror
Seatpost
S-Works Rapide Post, FACT Carbon, 15mm offset
Seat Binder
Tarmac integrated wedge