The Specialized Tarmac SL8 Expert is a road bike, built on a carbon frame, listed at $10,200. A drop-bar bike built for sealed roads, speed and distance.
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SizingWhat size Tarmac SL8 Expert do I need?
cm
Enter your height to see the size Specialized recommends.
Specialized Tarmac SL8 Expert size chart
Size
Rider height
In feet
44
142 to 155 cm
4 ft 8 in to 5 ft 1 in
49
155 to 163 cm
5 ft 1 in to 5 ft 4 in
52
163 to 170 cm
5 ft 4 in to 5 ft 7 in
54
170 to 175 cm
5 ft 7 in to 5 ft 9 in
56
175 to 180 cm
5 ft 9 in to 5 ft 11 in
58
180 to 188 cm
5 ft 11 in to 6 ft 2 in
61
188 to 196 cm
6 ft 2 in to 6 ft 5 in
Rider heights from Specialized's size chart. Height is a starting point: arm and leg length, flexibility and riding style all matter, so a test ride beats any chart. How bike sizing works.
Specs and pricing are listed in AUD and sourced from Australian retail listings. Confirm the current details and availability with the seller before purchase.
GeometrySize 56
Specialized Tarmac SL8 Expert, size 56. Published geometry, drawn to scale.
Stack
565 mm
Reach
395 mm
Stack/reach
1.43
Head angle
73.5 deg
Seat angle
73.5 deg
Wheelbase
991 mm
Chainstay
410 mm
BB drop
72 mm
Standover
786 mm
Fork rake
44 mm
GearingRatios
1.06lowest (climbing)
4.80highest (speed)
Endurance gearing
Ratios are derived from the chainrings and cassette. They describe the gearing, not any rider's ability.
Drivetrain & buildFull specification
Groupset
SRAM Force AXS
Shifting
Electronic
Drive
2x
Speeds
12
Crank
SRAM Force E1, 48/35T
Chainrings
48/35
Cassette
10-33
Brakes
SRAM Force AXS E1 hydraulic disc
Rotors
160/160mm
Wheelset
Roval C38 carbon tubeless ready
Stock tyre
700x26c
Max tyre clearance
32 mm
Tubeless
Yes
Fork material
FACT carbon
Cockpit
Tarmac integrated stem, Expert Shallow Drop alloy bar
Bike DNAWhat the numbers say
Position
Stack-to-reach 1.43 gives a long and low, racier riding position.
Steering
A 73.5 deg head angle points to quick, responsive steering.
Climbing
Lowest ratio 1.06 is endurance-friendly gearing.
Derived from the published geometry and gearing above. It describes the numbers, not a ride test.
BikeFinder Data Profile: geometry and specification researched from published sources (Specialized geometry chart + specialized.com + backfill 2026-09-27: specialized.com), verified 2026-09-03. This is a specification analysis, not a physical ride review.