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Specialized Tarmac SL8 2024
Curve GMX+ 2020 ×
Curve GMX+ 2019 ×
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
Curve
GMX+ 2020
S
M
L
XL
Curve
GMX+ 2019
S
M
L
XL
Stack
mm
606
606
Reach
mm
386
386
Head tube angle
°
70.5
70.5
Seat tube angle
°
72.5
72.5
Chainstay
mm
455
455
Wheelbase
mm
1108
1108
BB drop
mm
68
68
BB height
mm
—
—
Standover
mm
—
—
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Relaxed/Aggressiveness
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More aggressive
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Stack →
GMX+ · L
GMX+ · L
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Waterford 1900 2022
Near Curve GMX+ · 50 · 566 mm / 364 mm
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Waterford 1900 2023
Near Curve GMX+ · 50 · 566 mm / 364 mm
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Cockpit for the selected size
Part
GMX+ L
GMX+ L
Stem
110 mm
110 mm
Bar
440 mm
440 mm
Crank
175 mm
175 mm
