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Specialized Tarmac SL8 2024
OPEN U.P. 2026 ×
OPEN U.P. 2025 ×
Overlay
Stack and reach
Bike geometry overlay
Wireframe side views of compared bikes aligned at the bottom bracket. Hover a frame to isolate it, or a measurement to see it drawn from its origin.
Some tubes use estimated defaults where OEM values were missing.
Geometry by size
Measurement
OPEN
U.P. 2026
S
M
L
XL
OPEN
U.P. 2025
S
M
L
XL
Stack
mm
580
580
Reach
mm
400
400
Head tube angle
°
72.5
72.5
Seat tube angle
°
73.0
73.0
Chainstay
mm
420
420
Wheelbase
mm
1047
1047
BB drop
mm
76
76
BB height
mm
—
—
Standover
mm
—
—
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Relaxed/Aggressiveness
More relaxed
More aggressive
Reach →
Stack →
U.P. · L
U.P. · L
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Specialized Crux 2026
Near OPEN U.P. · 52 · 547 mm / 382 mm
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Specialized Crux 2027
Near OPEN U.P. · 52 · 547 mm / 382 mm
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Specialized S-Works Crux 2026
Near OPEN U.P. · 52 · 547 mm / 382 mm
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Cockpit for the selected size
Part
U.P. L
U.P. L
Stem
110 mm
110 mm
Bar
440 mm
440 mm
Crank
175 mm
175 mm
Reviews
OPEN U.P.
Open cycles UP gravel bike check - it's not a review but it's ...
YouTube · 2023
OPEN U.P.
Open cycles UP gravel bike check - it's not a review but it's ...
YouTube · 2023
