Specialized Tarmac SL7 Comp

Specialized

TarmacSL7 Comp

FrameTarmac SL7 FACT carbonFACT carbon fork
GroupsetShimano 105 Di2, 12-spe…Shimano 12-speed cassette
WheelsRoval/Specialized alloy…700x25–28c road tire (model…

The Specialized Tarmac SL7 represents a major strategic shift for the brand, effectively merging its lightweight climbing platform and dedicated aero chassis into a single, uncompromising race bike. Launched as the flagship road racing model for the 2021 to 2023 model years, the SL7 was designed to eliminate the need for riders to choose between aerodynamic efficiency and low weight. It adopts the aggressive tube shapes and hidden cable routing of a pure aero bike while maintaining the agile handling and minimal mass of a traditional climber. Specialized also standardized several modern features across the generation, moving exclusively to disc brakes, introducing a reliable threaded bottom bracket, and expanding tire clearance to accommodate up to 32mm rubber. This platform is built specifically for competitive racers and fast-paced enthusiasts who prioritize outright speed and power transfer over relaxed cruising.

Specialized Tarmac
Year
Build
Size
01 / Buy

Where to get it.

3 retailers · size 54.

Size
3 retailers · Size 54
02 / Specifications

Spec sheet.

Every component shipped with this build.

01Frameset
2 components
FrameTarmac SL7 FACT carbon
ForkFACT carbon fork
02Drivetrain & brakes
10 components
CassetteShimano 12-speed cassette
ChainShimano 12-speed chain
CranksetShimano 105 Di2 crankset (compact or mid-compact depending on size)
Bottom bracketProprietary threaded/press-fit bottom bracket (model varies by frame size)
Front rotor160 mm
Rear rotor160 mm
03Wheels & tires
4 components
Front wheelRoval/Specialized alloy or carbon rim (model varies by build); Roval/Specialized hub (model varies); Double-butted spokes (model varies)
Rear wheelRoval/Specialized alloy or carbon rim (model varies by build); Roval/Specialized hub (model varies); Double-butted spokes (model varies)
Front tire700x25–28c road tire (model varies by build)
Rear tire700x25–28c road tire (model varies by build)
04Cockpit & contact
4 components
StemSpecialized/Roval integrated stem (FACT carbon) — length varies by size
HandlebarsSpecialized/Roval aero carbon integrated handlebar (FACT)
SeatpostSpecialized FACT carbon seatpost (aero)
03 / Geometry

Geometry & fit.

7 sizes published.

The Tarmac SL7 utilizes a traditional, aggressive race geometry designed to put the rider in a long and low aerodynamic posture. Across the size range, the frame features a steep head tube angle and a short wheelbase, which work together to deliver the quick, flickable steering response expected in a peloton. The reach is relatively long and the stack is low, encouraging a stretched-out position that favors flexibility and power output over upright comfort.

Specialized integrates the cockpit heavily to hide cables from the wind, utilizing a proprietary stem that routes hoses underneath a cover and directly into the head tube. While this creates a clean aesthetic and reduces drag, it does complicate front-end fit adjustments. Riders cannot easily change stem height without dealing with the specialized spacers, and replacing headset bearings requires disconnecting the hydraulic brake lines. However, because the stem uses a standard clamp, riders retain the freedom to swap the stock aerodynamic handlebars for traditional round bars if they prefer a different grip shape or narrower width.

Reach × Stack · size 54mm

Where the handlebar sits relative to the bottom bracket — the single most important fit pair.

630590550510470STACK ↑345365385405425REACH →ENDURANCERACE / AEROSize 54384 · 544
01Fit geometry6 values
Stack544 mm
Reach384 mm
Top tube541 mm
Headtube length137 mm
Standover height768 mm
Seat tube length473 mm
02Component geometry4 values
Crank length172.5 mm
Handlebar width420 mm
Stem length100 mm
Saddle width143 mm
03Handling geometry9 values
Headtube angle73°
Seat tube angle74°
BB height268 mm
BB drop72 mm
Trail58 mm
Offset44 mm
Front center579 mm
Wheelbase978 mm
Chainstay length410 mm

Which size should I buy?

Slide your height to see the recommended size. GearWise's fit algorithm works from the published stack, reach, and ETT — the brand's own recommendation may differ.

Your height
5'8"173 cm
5'0"5'5"5'10"6'3"6'7"
Recommended size54Based on stack, reach & ETT for your height · score 90/100.

Calculated from GearWise's own stack / reach / ETT algorithm — the brand's size chart may recommend a different size, and a proper bike fit beats any calculator.

04 / Other builds

The lineup.

5 builds, ranging $3,300 – $4,000.

The provided build ladder for the Tarmac SL7 focuses on accessible performance tiers, specifically the Sport and Comp models, which range from roughly $3,300 to $4,000. Both builds utilize Specialized’s FACT carbon layups, though the Sport model specifically uses the FACT 9r carbon frame. The primary differentiator between these tiers is the drivetrain technology.

The entry point is the SL7 Sport, which relies on a traditional Shimano 105 mechanical 12-speed groupset. This build keeps the price lower while still delivering reliable shifting, hydraulic disc brakes, and standard alloy wheels like the DT Swiss R470. Stepping up to the SL7 Comp introduces electronic shifting via Shimano 105 Di2. This upgrade provides faster, more precise gear changes and a cleaner aesthetic with fewer exposed wires.

Both builds feature a race-oriented 52/36t chainring combination paired with an 11-34t cassette, offering a wide enough gear range for steep climbs without sacrificing top-end speed. Value in this lineup sits strongly with the Sport model for riders who want the SL7 chassis on a budget, while the Comp appeals to those willing to pay a premium for the seamless operation of an electronic drivetrain.

05 / Reviews

From the press.

26 reviews from the cycling press.

Reviewers consistently characterize the Tarmac SL7 as a devastatingly fast and highly responsive machine, though they note its ride quality leans heavily toward firm efficiency rather than plush comfort. On the road, the bike is eager to accelerate and holds high speeds with minimal perceived effort. One tester noted that it "mercilessly outruns the other test bikes on flat and undulating terrain" (Granfondo), highlighting the tangible benefits of its aerodynamic tube shapes.

When the road tilts upward or the rider initiates a sprint, the stiff chassis translates power immediately. Testers praised this direct feel, describing it as having "electric-like efficiency and an explosive feel when you increase power to the pedals" (Bicycling). However, this rigid power transfer comes with a tradeoff in compliance. While the frame manages to mute harsh vibrations, it remains a stiff race bike that communicates road feedback clearly to the rider.

Handling is universally praised as a high point, blending agility with high-speed stability. The steering is quick and accurate, allowing riders to carve through descents and navigate tight packs with ease. As one reviewer observed, the chassis "weaves through even the most technically demanding corners, quickly able to change direction while always staying precise" (Granfondo). A minor point of contention among testers was crosswind stability on models equipped with deep-section wheels, which some found required extra attention in gusty conditions.

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