Compare

Compare geometry

Two or three sizes side by side, drawn to scale and aligned at the bottom bracket.

Bike C

Brand

Model

Year

Size

Aligned at the bottom bracket. Head tube, seat tube line, chainstay and axles from published numbers; other tubes approximated.

Geometry

Geometry comparison
Field	A: Specialized Tarmac SL8 2025 · 49	B: Specialized Tarmac SL8 2025 · 52
Stack	501 mm	517 mm+16
Reach	373 mm	380 mm+7
Head tube angle	71.8°	72.5°+0.8°
Seat tube angle (eff.)	75.5°	74.0°-1.5°
Head tube length	100 mm	117 mm+17
Chainstay	410 mm	410 mm0
Wheelbase	970 mm	975 mm+5
BB drop	72 mm	72 mm0
Fork offset	44 mm	44 mm0
Front centre	574 mm	578 mm+4
Standover	730 mm	750 mm+20
Max tyre width	32 mm	32 mm0
Stock crank	173 mm	173 mm0
Stock seatpost setback	20 mm	20 mm0