Product Details
The S-Works Tarmac SL8 Shimano Dura-Ace Di2 represents the fastest race bike in the world, achieving a combination of aerodynamics, lightweight construction, and ride quality previously thought impossible. After eight generations and over two decades of development, this isn't just the fastest Tarmac ever created; it's the benchmark against which all other race bikes are measured, made even faster with the aerodynamic performance of the all-new Roval Rapide CLX III wheels.
Speed requires an uncompromising combination of aerodynamics, low weight, stiffness, and compliance working together. Through race simulations using real-world data, Specialized's Ride Science team has proven the Tarmac SL8 delivers measurable advantages: 16.6 seconds faster over 40km, 128 seconds faster over Milan-San Remo, and 20 seconds faster over the legendary Tourmalet climb. The revolutionary "Speed Sniffer" nose cone repositions the steer tube backward, allowing a dramatically sharper leading edge that cuts through air more efficiently than any previous Specialized design, including the Venge.
The mind-bending 685-gram frame weight represents a 15% reduction from the SL7 while achieving 33% greater stiffness-to-weight ratio. Lessons learned from the Aethos allow the frame's shape to carry loads so efficiently that extra carbon layers become redundant, creating a bike easily built to UCI minimum weight with full aerodynamic equipment. Despite extreme stiffness at the pedals and precision at the bars, the SL8 delivers 6% more compliance in the saddle, floating over rough roads with supple comfort unique among race bikes.
Built with a complete Shimano Dura-Ace 9200 Di2 groupset featuring dual-sided power meter with integrated Apple Find My technology, Roval Rapide CLX III tubeless-ready wheels, and Roval Rapide cockpit for maximum aerodynamic advantage and weight savings.
Key Features
- Frame - S-Works Tarmac SL8 Carbon (685g) with Roval Rapide Cockpit
- Drivetrain - Shimano Dura-Ace R9200 Di2 12-Speed with Dual-Sided Power Meter
- Wheelset - Roval Rapide CLX III Tubeless-Ready Carbon
| Category | Specification |
|---|---|
| Frame | S-Works Tarmac SL8 FACT 12r Carbon, Rider First Engineered™, Win Tunnel Engineered, Clean Routing, Threaded BB, 12x142mm thru-axle, flat-mount disc |
| Fork | S-Works FACT 12r Carbon, 12x100mm thru-axle, flat-mount disc |
| Front Brake | Shimano Dura-Ace BR-R9270 hydraulic disc |
| Rear Brake | Shimano Dura-Ace BR-R9270 hydraulic disc |
| Crankset | Shimano Dura-Ace R9200, HollowTech II, 12-speed with 4iiii Precision Pro dual-sided powermeter, 52/36t |
| Rear Derailleur | Shimano Dura-Ace R9250, 12-speed |
| Front Derailleur | Shimano Dura-Ace R9250, braze-on |
| Shift Levers | Shimano Dura-Ace R9270, hydraulic disc |
| Cassette | Shimano Dura-Ace, 12-speed, 11-30t |
| Bottom Bracket | Shimano Dura-Ace, BB-R9100 |
| Chain | Shimano XTR M9100, 12-speed w/ quick link |
| Rear Wheel | Roval Rapide CLX III, Tubeless, 21mm internal width carbon rim, 48.5mm depth, Win Tunnel Engineered, Roval LF19-R hub, 24h, ARRIS MTO-255 Straight Pull Spokes (Carbon Fiber reinforced BioNylon, Ti end fittings) |
| Front Wheel | Roval Rapide CLX III, Tubeless, 21mm internal width carbon rim, 51mm depth, Win Tunnel Engineered, Roval LF18-F hub, 18h, ARRIS MTO-255 Straight Pull Spokes (Carbon Fiber reinforced BioNylon, Ti end fittings) |
| Front Tire | S-Works Turbo TLR Race Tire, 700x28c |
| Rear Tire | S-Works Turbo TLR Race Tire, 700x28c |
| Inner Tubes | 700x20/28mm, 80mm Presta valve |
| Handlebars | Roval Rapide Cockpit, Integrated Bar/Stem |
| Saddle | S-Works Power with Mirror |
| SeatPost | S-Works Tarmac SL8 Carbon seat post, FACT Carbon, 15mm offset |
| Tape | Supacaz Super Sticky Kush |
| Seat Binder | Tarmac integrated wedge |
| Accessories | Stem headset spacers kit for SL7 stem & Roval Rapide cockpit use |
| Weight Size 56 | 6.67 kg (14 lb, 11.3 oz) |
| 44 | 49 | 52 | 54 | 56 | 58 | 61 | |
|---|---|---|---|---|---|---|---|
| Crank Length | 165 | 165 | 170 | 172.5 | 172.5 | 175 | 175 |
| Handlebar Width | 380 | 380 | 400 | 400 | 420 | 420 | 440 |
| Stem Length | 75 | 75 | 90 | 100 | 100 | 110 | 110 |
| Saddle Width | 155 | 155 | 155 | 143 | 143 | 143 | 143 |
| Seatpost Length | 300 | 300 | 300 | 380 | 380 | 380 | 380 |
| Frame Stack | 501 | 514 | 527 | 544 | 565 | 591 | 612 |
| Frame Reach | 366 | 375 | 380 | 384 | 395 | 402 | 408 |
| Stack to Stem | 509 | 522 | 535 | 552 | 573 | 599 | 620 |
| Reach to Stem | 363 | 372 | 377 | 381 | 393 | 400 | 406 |
| Head Tube Length | 99 | 109 | 120 | 137 | 157 | 184 | 204 |
| Head Tube Angle | 70.5 | 71.75 | 72.5 | 73 | 73.5 | 73.5 | 74 |
| BB Height | 266 | 266 | 266 | 268 | 268 | 268 | 268 |
| BB Drop | 74 | 74 | 74 | 72 | 72 | 72 | 72 |
| Trail | 71 | 63 | 58 | 58 | 55 | 55 | 52 |
| Fork Length, Full | 370 | 370 | 370 | 370 | 370 | 370 | 370 |
| Fork Rake/Offset | 47 | 47 | 47 | 44 | 44 | 44 | 44 |
| Front Center | 572 | 574 | 577 | 579 | 592 | 606 | 613 |
| Chainstay Length | 410 | 410 | 410 | 410 | 410 | 410 | 410 |
| Wheelbase | 970 | 973 | 975 | 978 | 991 | 1006 | 1013 |
| Top Tube Length, Horizontal | 496 | 509 | 531 | 541 | 563 | 577 | 595 |
| Bike Standover Height | 723 | 735 | 746 | 768 | 786 | 808 | 834 |
| Seat Tube Length | 433 | 445 | 456 | 473 | 494 | 515 | 545 |
| Seat Tube Angle | 75.5 | 75.5 | 74 | 74 | 73.5 | 73.5 | 73 |