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: BMC Roadmachine 2024 · 47	B: BMC Roadmachine 2024 · 51
Stack	526 mm	544 mm+18
Reach	368 mm	375 mm+7
Head tube angle	71.0°	71.7°+0.7°
Seat tube angle (eff.)	74.5°	74.0°-0.5°
Head tube length	115 mm	133 mm+18
Chainstay	410 mm	410 mm0
Wheelbase	988 mm	992 mm+4
BB drop	72 mm	72 mm0
Fork offset	47 mm	47 mm0
Front centre	590 mm	594 mm+4
Standover	722 mm	742 mm+20
Max tyre width	33 mm	33 mm0
Stock crank	173 mm	173 mm0