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Rider Height
<- Comparison guides

cafe-racer / default rider 183 cm

BMW R100S vs Kawasaki Z900RS Cafe ergonomics

BMW R100S and Kawasaki Z900RS Cafe 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 R100S

95Comfortable

All contacts reached

Kawasaki Z900RS Cafe

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 R100S has a 820 mm seat; the Kawasaki Z900RS Cafe 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 R100S and 82 cm for the Kawasaki Z900RS Cafe.

Geometry snapshot

Geometry comparison for BMW R100S and Kawasaki Z900RS Cafe
SpecBMW R100SKawasaki Z900RS Cafe
Seat height820 mm820 mm
Wheelbase1,466 mm1,471 mm
Wet weight220 kg216 kg
Displacement980 cc948 cc

Posture metrics

Knee angle

BMW R100S
Sport (58.1 deg)
Kawasaki Z900RS Cafe
Sport (58.1 deg)

Hip angle

BMW R100S
Neutral (93.6 deg)
Kawasaki Z900RS Cafe
Neutral (93.6 deg)

Elbow angle

BMW R100S
Relaxed (143.3 deg)
Kawasaki Z900RS Cafe
Relaxed (143.3 deg)

Torso lean

BMW R100S
Neutral (12.3 deg)
Kawasaki Z900RS Cafe
Neutral (12.3 deg)