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Rider Height
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cruiser / default rider 183 cm

BMW R 18 vs Harley-Davidson Nightster Special ergonomics

BMW R 18 and Harley-Davidson Nightster Special 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 18

92Comfortable

All contacts reached

Harley-Davidson Nightster Special

92Comfortable

All contacts reached

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

Geometry snapshot

Geometry comparison for BMW R 18 and Harley-Davidson Nightster Special
SpecBMW R 18Harley-Davidson Nightster Special
Seat height690 mm688 mm
Wheelbase1,731 mm1,545 mm
Wet weight345 kg219 kg
Displacement1,802 cc975 cc

Posture metrics

Knee angle

BMW R 18
Open (128.8 deg)
Harley-Davidson Nightster Special
Open (111.8 deg)

Hip angle

BMW R 18
Sport (81.7 deg)
Harley-Davidson Nightster Special
Sport (78.7 deg)

Elbow angle

BMW R 18
Relaxed (143.3 deg)
Harley-Davidson Nightster Special
Relaxed (143.3 deg)

Torso lean

BMW R 18
Neutral (11.4 deg)
Harley-Davidson Nightster Special
Neutral (8.6 deg)