Specialized Tarmac SL7 Sport Shimano 105

by Nehal Shah November 19, 2025 1 min read

The Specialized Tarmac SL7 Sport with Shimano 105 is a high-performance road bike that brings pro-level aerodynamics and racing pedigree into a more accessible segment. It’s designed for riders who want real race-bred performance — but without going for the top-tier (and very expensive) builds. “This isn’t just a race bike; it’s an aero machine built for speed, efficiency, and long days on the road.” In this review, I’ll cover frame & design, drivetrain & performance, comfort, braking & steering, wheels & saddle, and my verdict.

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Nehal Shah

: A UCI (United Cycling Internationale) approved FACT 10R carbon frame, designed only for speed. Super aggressive and yet comfortable enough for a long distance ride also.
This frame has a special internal reflectivity meant for safety, “SEE and Be Seen”

The Tarmac SL7 Sport’s frame is built using FACT 9r carbon, keeping weight low and stiffness high for responsive performance.
: Front Derailuer: Shimano 105
Rear Derailuer: Shimano 105, 12 speed .
Shifters: Shimano 12 speed mechanical.
Cassette: Shimano 12 speed
Chain: Shimano SLX 12 speed
Crankset: Shimano 12 speed
Bottom Bracket: Shimano Threaded

The drivetrain is Shimano 105, 12-speed mechanical. The crank is 52/36T, and the cassette is 11–34T, giving a solid range of gears for both flat out sprints and modest climbs.
: The carbon frame and fork absorb enough vibration so that on longer rides or rough patches, it doesn’t feel bone-shaking.

The Shallow Drop handlebars give a good balance — aerodynamic enough for speed, but not so aggressive as to be uncomfortable for many hours.

Despite being an aerodynamic race bike, the SL7 Sport balances stiffness with surprising comfort.
: Steering is sharp and precise. The integrated stem + handlebar and carbon fork contribute to very responsive handling. Because this is a high-performance frame, it’s not “relaxed” like some endurance bikes — the SL7 Sport is made for speed

The Shimano 105 hydraulic disc brakes (160 mm front, 140 mm rear) offer strong, consistent braking in a variety of conditions.
: The Turbo Pro 700×26 mm tyres strike a good balance: fast rolling, but still comfortable enough for long rides.

The saddle is the Body Geometry Power Sport (steel rails) — supportive, and tuned for sporty riding without being overly aggressive. The seatpost is a FACT carbon post with 20 mm offset, helping with comfort and position.

The bike comes with DT R470 Disc wheels, which are reliable and reasonably lightweight for a performance build.

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Overall, the Tarmac SL7 Sport (Shimano 105) is a top-tier performance bike positioned at a more accessible level. It’s ideal for:

Cyclists who want aero speed + race-level performance, without paying for premium builds
Riders who value a lightweight, balanced frame that works for both training and racing
Enthusiasts who want a reliable, maintainable 12-speed mechanical groupset