Description
Specialized Tarmac SL8 Comp Ultegra Di2 - Carbon Race Road
The race-winning Tarmac SL8 platform in the most price-accessible Ultegra Di2 build. FACT 10R carbon, ‘Speed Sniffer’ aero nose cone, slim rear triangle inspired by the S-Works Aethos.
Key features
- Specialized FACT 10R carbon frame - 780g claimed (size 56cm)
- Updated ‘Speed Sniffer’ aero nose cone extending head tube
- Slimmed rear end for compliance and aerodynamics
- Stiffened bottom bracket and head tube for power transfer and steering
- Threaded BSA bottom bracket
- Shimano Ultegra Di2 R8170 12-speed (or SRAM Force AXS depending on build)
- Roval Rapide CL II wheelset - 51mm/60mm progressively-deep carbon rims
- Specialized S-Works Turbo 2BR tubeless tyres (26c)
- Specialized Power Pro short-nose saddle
Specifications
| Frame | Specialized Tarmac SL8 FACT 10R carbon |
| Fork | Specialized Tarmac SL8 FACT 10R carbon |
| Groupset | Shimano Ultegra Di2 R8170 or SRAM Force AXS, 12-speed |
| Wheels | Roval Rapide CL II, 51/60mm carbon, DT Swiss 350 hubs |
| Tyres | Specialized S-Works Turbo 2BR, 700x26c, tubeless-ready |
| Brakes | Hydraulic disc, 160mm rotors |
| Cockpit | Roval Rapide carbon handlebar (42cm on size 56) + 100mm -6° stem |
| Seatpost | Specialized S-Works Tarmac SL8 Carbon, FACT carbon, 15mm offset |
| Saddle | Specialized Power Pro short-nose |
| Power meter | Spider-based on Force build |
| Weight | 7.46kg (56cm tested) |
Geometry
Race geo. 56cm: 73.5° seat angle, 73.5° head angle, 395mm reach, 565mm stack, 991mm wheelbase, 55mm trail.
Ride notes
Lively, engaging handling without being twitchy. Slim rear triangle delivers notable compliance even with 26c tyres. Frame clearance for 32mm tyres - easy upgrade for British roads. World Tour DNA at a more accessible price than the S-Works build.
Available sizes
44, 49, 52, 54, 56, 58, 61cm
Specification subject to change. Please confirm exact build, colour and availability before ordering.












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