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Specialized Tarmac SL8 2024
Firefly Road 2017 ×
Firefly Road 2016 ×
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
Firefly
Road 2017
51
54
56
58
Firefly
Road 2016
51
54
56
58
Stack
mm
568
568
Reach
mm
392
392
Head tube angle
°
73.2
73.2
Seat tube angle
°
73.5
73.5
Chainstay
mm
408
408
Wheelbase
mm
996
996
BB drop
mm
70
70
BB height
mm
—
—
Standover
mm
—
—
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Relaxed/Aggressiveness
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More aggressive
Reach →
Stack →
Road · 56
Road · 56
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BMC Teammachine SLR 2022
Near Firefly Road · 51 · 530 mm / 378 mm
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BMC Teammachine SLR 2023
Near Firefly Road · 51 · 530 mm / 378 mm
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BMC Teammachine SLR 2024
Near Firefly Road · 51 · 530 mm / 378 mm
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Cockpit for the selected size
Part
Road 56
Road 56
Stem
100 mm
100 mm
Bar
420 mm
420 mm
Crank
172.5 mm
172.5 mm
