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Available in strictly limited edition numbers, this S-Works Tarmac SL8 Ltd - Demi Dreaming is a brilliant base from which to create your dream bike. Whether you're chasing road racing glory, simply love the joys of riding with friends or chasing QOMs, this is a frameset that will set you on the path to your cycling goals. Build it with the wheels and components of your choice for the ultimate speed machine.
For riders obsessed with pushing boundaries, the Specialized S-Works Tarmac SL8 Ltd - Demi Dreaming Frameset is more than just a frameset, it’s a revolution in speed. Designed with “Aero in Everything” at its core, it redefines what it means to be aerodynamic. Rather than aesthetics alone, Specialized has laser-focused on aerodynamic performance where it matters most: the front end. With the introduction of the Speed Sniffer nose cone and a dramatically sharpened head tube, airflow is optimised like never before. Coupled with a super-slim seatpost shaped to cut through wind, the SL8 frameset outperforms even the Venge in sheer wind-cheating capability; this is aero without compromise.
What’s more, this SL8 doesn’t just fly, it floats. Weighing in at an astonishing 685 grams (frame only), it’s 15% lighter than the Tarmac SL7 and a featherweight among World Tour frames. Inspired by the ultralight Aethos, the SL8 borrows clever carbon fibre innovations that eliminate excess material without sacrificing performance. The result? A frameset that dances up climbs, responds instantly to every watt, and remains fully compliant with UCI weight restrictions. It’s no wonder the world’s fastest riders, like Demi, trust Specialized engineering when every gram, and every second count.
Yet for all its speed and featherlight build, the Tarmac SL8 Ltd doesn’t forget what matters on the road: feel. With a 33% improvement in stiffness-to-weight ratio over the SL7, it delivers unrivalled precision, explosive power transfer, and buttery-smooth handling. Thanks to Rider-First Engineering, every size delivers a race-ready ride that’s remarkably comfortable, even over rougher roads. With added compliance and generous 32mm tyre clearance, the SL8 is as versatile as it is vicious. For cyclists seeking the ultimate blend of speed, weight, comfort, and elite pedigree, this limited-edition frameset isn’t just a dream; it’s the Demi Dreaming.
In a bold step forward, the Tarmac SL8 moves beyond traditional gender labels. Recognising the unique differences between individual riders, the idea of designing bikes specifically for men or women is left behind. With the Tarmac SL8, every cyclist can experience performance without gender-based limitations, reflecting the brand’s dedication to inclusivity and innovation.
| — | 44 | 48 | 51 | 54 | 56 | 58 |
|---|---|---|---|---|---|---|
| Seat Tube (CTR-TOP) | 363 | 392 | 425 | 462 | 481 | 501 |
| Seat Tube (CTR-CTR) | - | - | - | - | - | - |
| Effective Top Tube | 510 | 517 | 534 | 544 | 564 | 581 |
| Actual Top Tube | - | - | - | - | - | - |
| Seat Angle | 74.5° | 74.5° | 74° | 74° | 74° | 73.5° |
| Head Angle | 70° | 71° | 71.5° | 72° | 72.5° | 72.5° |
| Head Tube Length | 90 | 100 | 120 | 140 | 160 | 190 |
| Fork Rake | 50 | 50 | 50 | 50 | 50 | 50 |
| Chainstay Length | 413 | 413 | 413 | 413 | 413 | 413 |
| Wheelbase | 981 | 981 | 990 | 997 | 1010 | 1028 |
| Rider's Height (Cm) | 143 - 152 | 163 - 170 | 170 - 175 | 175 - 180 | 180 - 188 | 188 - 196 |

* All measurements in mm unless otherwise stated
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Founded in California in 1974, Specialized began with a simple promise: serious riders deserve serious gear. Half a century later, the brand still funds its own wind tunnel, builds its own carbon, and tests every bike with the world's best so that you ride your own best.
The first production mountain bike. The first cycling-specific shoes. FACT carbon, the Win Tunnel, S-Works. Specialized has a habit of building the things the rest of cycling ends up copying.