2026 Specialized Tarmac SL8 Comp - Shimano 105 Di2
2026 Specialized Tarmac SL8 Comp - Shimano 105 Di2
2026 Specialized Tarmac SL8 Comp - Shimano 105 Di2
2026 Specialized Tarmac SL8 Comp - Shimano 105 Di2
2026 Specialized Tarmac SL8 Comp - Shimano 105 Di2
2026 Specialized Tarmac SL8 Comp - Shimano 105 Di2
2026 Specialized Tarmac SL8 Comp - Shimano 105 Di2
2026 Specialized Tarmac SL8 Comp - Shimano 105 Di2
2026 Specialized Tarmac SL8 Comp - Shimano 105 Di2
2026 Specialized Tarmac SL8 Comp - Shimano 105 Di2
2026 Specialized Tarmac SL8 Comp - Shimano 105 Di2
2026 Specialized Tarmac SL8 Comp - Shimano 105 Di2
2026 Specialized Tarmac SL8 Comp - Shimano 105 Di2
2026 Specialized Tarmac SL8 Comp - Shimano 105 Di2
2026 Specialized Tarmac SL8 Comp - Shimano 105 Di2
2026 Specialized Tarmac SL8 Comp - Shimano 105 Di2
2026 Specialized Tarmac SL8 Comp - Shimano 105 Di2
2026 Specialized Tarmac SL8 Comp - Shimano 105 Di2
2026 Specialized Tarmac SL8 Comp - Shimano 105 Di2
2026 Specialized Tarmac SL8 Comp - Shimano 105 Di2
Specialized

2026 Specialized Tarmac SL8 Comp - Shimano 105 Di2

$4,700.00
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Tarmac SL8 Comp — Shimano 105 Di2
Tarmac SL8 Comp
Shimano 105 Di2 · FACT 10r Carbon · 7.68kg

Nothing is faster than the Tarmac SL8 thanks to a combination of aerodynamics, lightweight, and ride quality previously thought impossible. After eight generations and over two decades of development, it's more than the fastest Tarmac ever — it's the world's fastest race bike. 16.6 seconds faster over 40km, 128 seconds faster over Milan San Remo, 20 seconds faster over the Tourmalet.

  • FACT 10r Carbon Frame: Same proven platform as S-Works, 33% stiffness-to-weight improvement over SL7.
  • Shimano 105 Di2 R7150: 12-speed electronic shifting, hydraulic disc brakes.
  • Win Tunnel Engineered: Most aerodynamic Tarmac ever — faster than the Venge.
  • DT Swiss R470 Wheels: Tubeless-ready, reliable alloy training wheelset.
  • S-Works Tarmac SL8 Carbon Seatpost: Same as top-tier builds.
  • 32mm Tire Clearance: Proven Tarmac geometry, versatile for higher volume tires.
  • Tarmac Integrated Stem: Clean, integrated cockpit with 6-degree rise.
  • 7.68kg Complete Build: Accessible entry to world-beating performance.

Complete build at 7.68kg (56cm). Seven sizes: 44, 49, 52, 54, 56, 58, 61.

FACT 10r Carbon Frame
Race-proven platform with 33% stiffness-to-weight improvement over SL7. Rider First Engineered™, Win Tunnel Engineered, clean routing, threaded BB, 12x142mm thru-axle, flat-mount disc.
Shimano 105 Di2 Electronic Shifting
12-speed 105 Di2 R7150 with hydraulic disc brakes. R7170 shift levers, 52/36t crankset, 11-34t cassette for wide gearing range. The most accessible electronic shifting groupset.
Speed Sniffer Nose Cone
By moving the steer tube back, the leading edge of the head tube can be much sharper — delivering a much lower drag shape.
Win Tunnel Aerodynamics
Most aerodynamic Tarmac ever — even faster than the Venge. Aero where it matters (the leading edge), not just where it looks good.
DT Swiss R470 Wheelset
Tubeless-ready alloy clinchers, 20mm internal width. Specialized full sealed bearing thru axle hubs, DT Swiss Champion spokes, brass nipples.
Tarmac Integrated Cockpit
Tarmac integrated stem (6-degree), Specialized Shallow Drop alloy handlebars (70x125mm reach). Clean lines, race-proven fit. Headset spacers kit included.
44 49 52 54 56 58 61
Crank Length 165 165 170 172.5 172.5 175 175
Handlebar Width 360 380 400 420 420 440 440
Stem Length 70 80 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°
Frameset
Frame
Tarmac SL8 FACT 10r Carbon, Rider First Engineered™, Win Tunnel Engineered, Clean Routing, Threaded BB, 12x142mm thru-axle, flat-mount disc
Fork
FACT 10r Carbon, 12x100mm thru-axle, flat-mount disc
Seat Binder
Tarmac integrated wedge
Brakes
Front Brake
Shimano 105 Hydraulic Brake
Rear Brake
Shimano 105 Hydraulic Brake
Brake Levers
Shimano 105 Di2 R7170, 12-speed hydraulic disc
Drivetrain
Bottom Bracket
Shimano Threaded BSA BB
Chain
Shimano SLX CN-M7100, 12-speed
Crankset
Shimano 105 R7100, 52/36t
Front Derailleur
Shimano 105 R7170, braze-on
Cassette
Shimano 105 CS-R7100, 12-speed, 11-34t
Rear Derailleur
Shimano 105 Di2 R7150, 12-speed
Wheels & Tires
Front Wheel
DT Swiss R470, 20mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, Centerlock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples
Rear Wheel
DT Swiss R470, 20mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, Centerlock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples
Front Tire
S-Works Turbo, 120 TPI, folding bead, BlackBelt protection, 700x26mm
Rear Tire
S-Works Turbo, 120 TPI, folding bead, BlackBelt protection, 700x26mm
Inner Tubes
Turbo Ultralight, 48mm Presta valve
Cockpit
Handlebars
Specialized Shallow Drop, 6061, 70x125mm reach, 31.8mm clamp
Stem
Tarmac integrated stem, 6-degree
Seatpost
S-Works Tarmac SL8 Carbon seat post, FACT Carbon, 15mm offset
Saddle
Body Geometry Power Sport, steel rails
Tape
Supacaz Super Sticky Kush
Accessories
Headset
Stem headset spacers kit for SL7 stem & Roval Rapide cockpit use

Shipping Policy

Components:

All component items (wheels, drivetrains, suspension, brakes, etc.) ship within 1–4 business days of purchase.

Bicycles:

Complete bikes typically ship within 2–3 weeks due to build, tuning, and inspection times. You will receive tracking information as soon as your order is ready to ship.

Riding Gear & Apparel:

Riding gear and apparel orders (helmets, jerseys, gloves, etc.) ship within 1–3 business days.

Returns & Exchanges:

If you received the wrong size or wish to exchange an item, it must be returned in original condition—unused, uninstalled, and with all packaging intact.

For full details, please see our Refund Policy before initiating a return.

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Technology
🏆
World's Fastest Race Bike
Tour Magazine rated it 1.3 — highest score ever. Same Tarmac SL8 platform as the pros ride on Remco and Demi Vollering's race bikes.
⚡
Shimano 105 Di2
12-speed electronic shifting, hydraulic disc brakes. Precise, reliable, and accessible — the latest 105 Di2 R7170 technology.
✈️
Speed Sniffer Aero
Win Tunnel Engineered. 16.6 seconds faster over 40km than SL7. More aero than the Venge — aero where it matters.
🛞
DT Swiss R470 Wheels
Tubeless ready, 20mm internal width. Full sealed bearing hubs. DT Swiss stainless steel spokes, brass nipples.
⚖️
7.68kg Complete Bike
FACT 10r carbon frame at 685g. 15% lighter than SL7. World Championship proven geometry, 32mm tire clearance.
🏅
S-Works Turbo Tires
700x26mm S-Works Turbo, 120 TPI, folding bead, BlackBelt puncture protection. Turbo Ultralight inner tubes.
Built For
Road Racing
Gran Fondo
Climbing
Race Performance
Performance Numbers
7.68kg
Bike Weight
Size 56 as built
105 Di2
Groupset
12-speed electronic
16.6s
Faster Over 40km
vs Tarmac SL7
32mm
Tire Clearance
26mm as equipped
Gallery
Tarmac SL8 Comp Di2
Tarmac SL8 Comp Di2
Tarmac SL8 Comp Di2
Specifications
Component Detail
FrameTarmac SL8 FACT 10r Carbon, Win Tunnel Engineered
ForkFACT 10r Carbon, 12x100mm thru-axle, flat-mount disc
ShiftersShimano 105 Di2 R7170, 12-speed hydraulic
Front DerailleurShimano 105 R7170, braze-on
Rear DerailleurShimano 105 Di2 R7150, 12-speed
CranksetShimano 105 R7100, 52/36t
CassetteShimano 105 CS-R7100, 12-speed, 11-34t
ChainShimano SLX CN-M7100, 12-speed
BrakesShimano 105 Hydraulic, flat-mount disc
Wheels & Tires
DT Swiss R470 Tubeless Ready, 20mm Int
24H Spoke Count
S-Works Turbo 700x26mm, 120 TPI
BlackBelt Puncture Protection
Specialized Shallow Drop Bars
Body Geometry Power Sport Saddle
Tarmac 6° Integrated Stem

Prepared with intention.

Every product is carefully inspected and handled by our team before it ships. From fit and function to final details, we make sure each piece is ready for the outdoors ahead—so you can focus on the experience, not the gear.

Passion drives us

At SpokeX Bike Co., bikes aren't just our business — they’re our way of life. As a rider-owned and operated shop, every decision we make comes from firsthand experience on the trail, at the race, and on the open road. We know what it’s like to chase a new line, push through the pain cave, and celebrate the ride — because we live it every day.

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