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Rider Height
<- Comparison guides

sport-touring / default rider 183 cm

BMW R 1250 RS vs Ducati ST4 ergonomics

BMW R 1250 RS and Ducati ST4 land within a few ergonomic points for the default rider, so the better choice comes down to posture preference and bike category.

Fit verdict

BMW R 1250 RS

95Comfortable

All contacts reached

Ducati ST4

95Comfortable

All contacts reached

The two bikes are close enough that posture preference matters more than the overall score.

Rider fit: reaching the ground

The BMW R 1250 RS has a 820 mm seat; the Ducati ST4 sits at 820 mm, within a few millimetres of each other. As a rule of thumb you flat-foot a bike when your inseam roughly matches its seat height: about 82 cm for the BMW R 1250 RS and 82 cm for the Ducati ST4.

Geometry snapshot

Geometry comparison for BMW R 1250 RS and Ducati ST4
SpecBMW R 1250 RSDucati ST4
Seat height820 mm820 mm
Wheelbase1,530 mm1,430 mm
Wet weight243 kg-
Displacement1,254 cc916 cc

Posture metrics

Knee angle

BMW R 1250 RS
Sport (58.1 deg)
Ducati ST4
Sport (57.8 deg)

Hip angle

BMW R 1250 RS
Neutral (89.0 deg)
Ducati ST4
Neutral (90.9 deg)

Elbow angle

BMW R 1250 RS
Relaxed (143.3 deg)
Ducati ST4
Relaxed (143.3 deg)

Torso lean

BMW R 1250 RS
Neutral (14.0 deg)
Ducati ST4
Neutral (12.9 deg)