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Road Framesets

Specialized Tarmac SL7 Frameset

Decades of experience building racing bikes. Countless examples of rider feedback, desires, and impressions. Seemingly endless calculations in Finite Element Analysis (FEA). Every frame, regardless of size getting specific fiber schedules and lay-up. One design that comes in right at the UCI weight limit with zero compromise between light weight and aerodynamics. This is the Specialized Tarmac SL7 frameset design, perhaps the most efficient and perfectly balanced race machine ever developed. The stories and accolades just keep rolling in, as do podiums and stage wins. Yes, the S-Works Tarmac SL7 is the top of the line, and lightest rendition, but the Tarmac SL7, which becomes the platform for the Tarmac Pro and Expert complete bikes, has the same design and engineering, with the difference being the grade of FACT carbon used, how it is applied, and a modest weight gain. The Tarmac SL7 is still fast, efficient and has among the best balance handling characteristics of any frameset made.

Specialized utilized their most advanced technologies and learned knowledge, such as their FreeFoil Shape Library to an all-new Rider-First Engineered™ frame, in delivering a race bike that is truly without compromise. The days of making sacrifices between "aero" and "lightweight" bikes are over. While it ins't really wrong to suggest the Tarmac SL7 is a combination of the Venge and the SL6, it isn't actually true or that simple either. Aero road has been a driving force behind Specialized's recent bike development and their design engineers have developed and tested many shapes and combinations to build their library of in-house resources. In their quest for tube shapes that deliver the fastest frame that the UCI rules allow, they took a page out of the Venge development book and utilized the FreeFoil Shape Library. Armed with a core book of optimized shapes, they turned to the Win Tunnel to plug these shapes into a modular test bike for more testing and validation. The result? A new Tarmac that’s the fastest they've tested- 45 seconds faster over 40km than the Tarmac SL6 (with Aerofly handlebar in test). The added benefit of having the engineering team and wind tunnel in the same place is central to this process, and to Specialized's success in numerous areas.

While aerodynamics were paramount to the Tarmac’s development, and to the development of all of Specialized race bikes, weight was the co-pilot on this optimal race bike journey. Previously “aero bikes” always compromised in the weight department, the more drag you reduced, the more weight you gained. With the new Tarmac, the design philosophy was to keep it at, or below, the UCI weight limit out of the box as a complete build, with no sacrifices to aerodynamics. Tools like isotopic FEA analysis, used in conjunction with the tubes shapes and some engineering wizardry by the best engineers in the industry, enabled Specialized to deliver a frame that weighs a mere 920 grams, consistently across sizes, without giving up a gram of aero, stiffness or ride quality while allowing for 700x32 tires. The primary ingredient in all this has been their FACT 10r Carbon, which was developed in house to provide a more cost effective combination of carbon fiber properties that are the foundation of the lay-up schedule and deliver the tubeset and junctions that make the SL7 design unique.

Continuing the quest to develop the perfect race bike, the internal team used Rider-First Engineered™ philosophy to ensure that the new Tarmac concept is the most balanced, best handling Tarmac yet, no matter the size. With an army of the world’s best test riders from Specialized's three World Tour Teams: Boels-Dolmans, Deceuninck-Quick-Step, and Bora-hansgrohe, they made changes to the Tarmac based on thousands of rider kilometers on the road. In response, a more balanced the ride quality between the front and rear end was targeted and achieved, so even the longest days in the saddle continue to be comfortable, without giving up anything to the Tarmac’s legendary handling and race-winning snappiness.

Finishing off the Tarmac SL7 frameset, the designers drew off their experience and proven systems of the Venge to apply simple integration to create a clean, fast cockpit that’s easy to live with. They've improved the routing for any configuration, mechanical shifting, traditional stems, round bars, etc., all while keeping its aerodynamic attributes. These same traits also make the new Tarmac easy to work on and easy to travel with. A BSC threaded bottom bracket system was integrated and found to test as well or better than other systems for stiffness and power transfer. The frame features a 12/142mm rear thru-axle and flat mount disc standard, which matches the SL7 FACT Carbon Fork, albeit with a 12/142mm set-up. The lightweight and upper-section compliant 2021 S-Works FACT Carbon Tarmac Seatpost is included, as is the Tarmac integrated stem, 6-degree, with detailed spec determined by frame size.

Features

  • Second-tier Tarmac SL7 frameset used as platform for Tarmac Pro and Expert bikes
  • Same design and features of the S-Works, with FACT 10r instead of 12r, with only 120 gram gain weight at much more approachable price point
  • Tarmac SL7 FACT 10r Carbon Frame, Rider First Engineered™, Win Tunnel Engineered
  • Tarmac SL7 FACT Carbon Fork, tapered, specific headset assembly included
  • Rider First Engineering means specific requirements of each size were developed to ensure the same resulting rider experiences and characteristics in a 920 gram frame
  • Proven Tarmac geometry and frameset development ensure incredible handling, control and stability
  • Detailed tube shapes and FEA-calculated carbon lay-up were also integrated into the complete design to provide optimal aero and stiffness characteristics
  • Simple, fully integrated cable/wiring system for electronic/mechanical shift set-ups, hydraulic disc braking
  • Can be built with a 1x drivetrain- removable front derailleur mount
  • Max tire size: 700x32mm, with 4mm on either side
  • Frameset requirements: BSC 68mm threaded bottom bracket, braze-on front derailleur, Flat Mount disc calipers for 140-160mm rotor use , 31.8mm handlebar
  • Frameset includes: Integrated Tarmac stem (-6°), 2021 S-Works Tarmac Carbon proprietary seat post, FACT Carbon, Di2 Compatible, 20mm offset, machined bolt-on 12/100mm, 12/42mm thru-axles
  • Sizes | Included component spec by frame size
    • 44cm | Seatpost length: 300mm | Stem length: 70mm
    • 49cm | Seatpost length: 300mm | Stem length: 80mm
    • 52cm | Seatpost length: 300mm | Stem length: 90mm
    • 54cm | Seatpost length: 380mm | Stem length: 100mm
    • 56cm | Seatpost length: 380mm | Stem length: 100mm
    • 58cm | Seatpost length: 380mm | Stem length: 110mm
    • 61cm | Seatpost length: 380mm | Stem length: 110mm
  • Color: Carbon/White
  • Weight: 920 grams (frame only)
Specialized Tarmac SL7
Size 44cm 49cm 52cm 54cm 56cm 58cm 59cm 61cm
Wheel Size 700 700 700 700 700 700 700 700
Stack 491mm 504mm 517mm 534mm 555mm 581mm 568mm 602mm
Reach 369mm 378mm 383mm 387mm 398mm 405mm 413mm 411mm
Head Angle 70.5° 71.75° 72.5° 73° 73.5° 73.5° 73° 73°
Seat Angle 75.5° 75.5° 74° 74° 73.5° 73.5° 73.5° 73°
Top Tube Length 496mm 509mm 531mm 541mm 563mm 577mm 587mm 595mm
Head Tube Length 93mm 102mm 113mm 131mm 151mm 178mm 163mm 198mm
Standover 723mm 735mm 746mm 768mm 786mm 808mm 809mm 834mm
Fork Trail 71mm 63mm 58mm 58mm 55mm 55mm 55mm 52mm
Fork Offset 47mm 47mm 47mm 44mm 44mm 44mm 44mm 44mm
Bottom Bracket Drop 74mm 74mm 74mm 72mm 72mm 72mm 72mm 72mm
Front Center 572mm 574mm 577mm 579mm 592mm 606mm 610mm 613mm
Wheelbase 970mm 973mm 975mm 978mm 991mm 1006mm 1009mm 1013mm
Chainstay Length 410mm 410mm 410mm 410mm 410mm 410mm 410mm 410mm