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Rider Height
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cruiser / default rider 183 cm

Harley-Davidson Nightster vs Suzuki Boulevard C109R ergonomics

Harley-Davidson Nightster has the higher modeled posture score (92 vs 72) for the 183 cm default rider compared with Suzuki Boulevard C109R. Treat this as a planning estimate, not a comfort or purchase verdict; compare the source confidence and confirm both bikes in person.

Modeled fit comparison

Harley-Davidson Nightster

Modeled scoreProvisional
92Comfortable

All contacts reached

Suzuki Boulevard C109R

Modeled scoreProvisional
72Usable

All contacts reached

Harley-Davidson Nightster scores higher for the 183 cm default rider in this model. Treat the result as a planning estimate and compare each bike's geometry confidence before a real test sit.

Rider fit: reaching the ground

The Harley-Davidson Nightster lists a 705 mm seat; the Suzuki Boulevard C109R lists 706 mm, within a few millimetres of each other. Seat height is only a first-pass ground-reach input. It does not establish safety or actual foot contact. Seat width, suspension sag, boots, mobility, load, and individual proportions can materially change the result.

Geometry snapshot

Geometry comparison for Harley-Davidson Nightster and Suzuki Boulevard C109R
SpecHarley-Davidson NightsterSuzuki Boulevard C109R
Seat height705 mm706 mm
Wheelbase1,545 mm1,755 mm
Wet weight221 kg380 kg
Displacement975 cc1,783 cc

Posture metrics

Knee angle

Harley-Davidson Nightster
Open (111.8 deg)
Suzuki Boulevard C109R
Stretched (131.6 deg)

Hip angle

Harley-Davidson Nightster
Sport (78.7 deg)
Suzuki Boulevard C109R
Sport (82.4 deg)

Elbow angle

Harley-Davidson Nightster
Relaxed (143.3 deg)
Suzuki Boulevard C109R
Relaxed (143.3 deg)

Torso lean

Harley-Davidson Nightster
Neutral (8.6 deg)
Suzuki Boulevard C109R
Neutral (11.8 deg)