Specialized Tarmac SL8 Expert 2025 - Road Bike
The Tarmac SL8 Expert is built for speed on rolling roads, alpine climbs and high-paced crits alike. Borrowing aerodynamic cues from Specialized’s fastest frames, including the distinctive “Speed Sniffer” head tube, the SL8 slices through the wind more efficiently than the previous-generation Venge. It's 15% lighter than the SL7 and boasts a 33% improvement in stiffness-to-weight, making it agile and responsive when you’re out of the saddle or hammering over the final climb.
Key Features:
- FACT 10r carbon frame, Rider-First Engineered™, aero optimised
- FACT 10r carbon fork, tuned for stiffness and comfort
- SRAM Rival eTap AXS, 12-speed electronic groupset
- SRAM Rival hydraulic disc brakes for confident stopping
- Roval C38 carbon wheels with S-Works Turbo 700x26c tyres
- Power meter included for data-driven training and racing
- Available with 0% APR finance
Constructed using FACT 10r carbon, the frame uses Rider-First Engineering to ensure that handling and ride feel are consistent across all sizes. Compliance has also taken a step forward, with 6% more vertical flex at the saddle, allowing the bike to glide over imperfect tarmac without sacrificing that race-ready edge.
Electronic shifting from SRAM’s Rival eTap AXS system delivers smooth, wireless performance and includes a power meter-equipped chainset ideal for structured training and racing. Wide-range gearing (10-36t cassette) means the Tarmac is just as ready for alpine ascents as it is for fast, flat sprints.
Rolling on Roval C38 carbon wheels wrapped in grippy S-Works Turbo tyres, the SL8 Expert provides a balance of lightweight responsiveness and aero advantage. With 32mm tyre clearance and a race-focused geometry, it’s adaptable and confidence-inspiring on a wide range of roads.
Whether you’re racing, training or tackling big miles for the love of it, the Specialized Tarmac SL8 Expert is a high-performance machine built to deliver on every ride.
Occasionally, without notice, manufacturers change product design and/or specifications.
| Frame | Tarmac SL8 FACT 10r Carbon, Rider First Engineeredâ„¢, Win Tunnel Engineered, Clean Routing, Threaded BB, 12x142mm thru-axle, flat-mount disc |
| Fork | Tarmac SL8 FACT 10r Carbon, 12x100mm thru-axle, flat-mount disc |
| Stem | Tarmac integrated stem, 6-degree |
| Bars | Specialized Expert Shallow Drop, alloy, 125mm drop x 75mm reach |
| Front Brake | SRAM Rival eTAP AXS, hydraulic disc |
| Rear Brake | SRAM Rival eTAP AXS, hydraulic disc |
| Front Mech | SRAM Rival eTAP AXS, braze-on |
| Rear Mech | SRAM Rival eTAP AXS, 12-speed |
| Shifters | SRAM Rival eTap AXS |
| Speed | 24 |
| Rims | Roval C38, 21mm internal width carbon rim |
| Front Tyre | S-Works Turbo, folding bead, 700x26mm |
| Rear Tyre | S-Works Turbo, folding bead, 700x26mm |
| Seat Post | S-Works Tarmac SL8 Carbon seat post, FACT Carbon, 15mm offset |
| Saddle | Body Geometry Power Expert |
| Chainset | SRAM Rival with Power Meter |
| Bottom Bracket | SRAM DUB BSA 68 |
| Chain | SRAM Rival 12-speed |
| Cassette | SRAM Rival, 12-speed, 10-36t |
| Pedals | Resin Platform |
| Weight | 7.77 kg (17 lb, 2.1 oz) |
Specialized Tarmac SL8 2025 Size Chart
|
Size |
Height (cm) |
Height (inches) |
|
44 |
142 - 155 |
4’8 – 5’1” |
|
49 |
155 - 163 |
5’1 – 5’4” |
|
52 |
163 - 170 |
5’4 – 5’7” |
|
54 |
170 - 175 |
5’7 – 5’9” |
|
56 |
175 - 180 |
5’9 – 5’11” |
|
58 |
180 - 188 |
5’11 – 6’2” |
|
61 |
188 - 196 |
6’2 – 6’5” |
What size frame do I need if I am between sizes? - read here
Specialized Tarmac 2025 Geometry Chart
| Frame Size | 44 | 49 | 52 | 54 | 56 | 58 | 61 |
|---|---|---|---|---|---|---|---|
| Stack | 501 | 514 | 527 | 544 | 565 | 591 | 612 |
| Reach | 366 | 375 | 380 | 384 | 395 | 402 | 408 |
| 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 |
| Bottom Bracket Height | 266 | 266 | 266 | 268 | 268 | 268 | 268 |
| Bottom Bracket Drop | 74 | 74 | 74 | 72 | 72 | 72 | 72 |
| Trail | 71 | 63 | 58 | 58 | 55 | 55 | 52 |
| Fork Length | 370 | 370 | 370 | 370 | 370 | 370 | 370 |
| Fork Rake/Offset | 47 | 47 | 47 | 44 | 44 | 44 | 44 |
| Front Centre | 572 | 574 | 577 | 579 | 592 | 606 | 613 |
| Chainstay Length | 410 | 410 | 410 | 410 | 410 | 410 | 410 |
| Wheelbase | 970 | 973 | 975 | 978 | 991 | 1005 | 1012 |
| Top Tube Length (horizontal) | 496 | 508 | 531 | 540 | 562 | 577 | 595 |
| Standover Height | 722 | 734 | 745 | 767 | 785 | 807 | 833 |
| Seat Tube Length | 433 | 445 | 456 | 473 | 494 | 515 | 545 |
| Seat Tube Angle (°) | 75.5 | 75.5 | 74 | 74 | 73.5 | 73.5 | 73 |
| Crank Length | 165 | 165 | 170 | 172.5 | 172.5 | 175 | 175 |
| Saddle Width | 155 | 155 | 155 | 143 | 143 | 143 | 143 |
| Seatpost Length | 300 | 300 | 300 | 380 | 380 | 380 | 380 |
All measurements are in mm unless otherwise stated.
The above table shows the standard geometry for the bicycles as shipped. Other geometry configurations may be available with certain bicycles. Please contact us via Live Chat to find out more.
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Specialized Tarmac SL8 Expert 2025 - Road Bike
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