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Rider Height
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cruiser / default rider 183 cm

Suzuki Boulevard C109R vs Triumph Bonneville Speedmaster ergonomics

Triumph Bonneville Speedmaster 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

Suzuki Boulevard C109R

Modeled scoreProvisional
72Usable

All contacts reached

Triumph Bonneville Speedmaster

Modeled scoreProvisional
92Comfortable

All contacts reached

Triumph Bonneville Speedmaster 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 Suzuki Boulevard C109R lists a 706 mm seat; the Triumph Bonneville Speedmaster lists 705 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 Suzuki Boulevard C109R and Triumph Bonneville Speedmaster
SpecSuzuki Boulevard C109RTriumph Bonneville Speedmaster
Seat height706 mm705 mm
Wheelbase1,755 mm1,510 mm
Wet weight380 kg263 kg
Displacement1,783 cc1,200 cc

Posture metrics

Knee angle

Suzuki Boulevard C109R
Stretched (131.6 deg)
Triumph Bonneville Speedmaster
Open (109.1 deg)

Hip angle

Suzuki Boulevard C109R
Sport (82.4 deg)
Triumph Bonneville Speedmaster
Sport (78.5 deg)

Elbow angle

Suzuki Boulevard C109R
Relaxed (143.3 deg)
Triumph Bonneville Speedmaster
Relaxed (143.3 deg)

Torso lean

Suzuki Boulevard C109R
Neutral (11.8 deg)
Triumph Bonneville Speedmaster
Neutral (8.1 deg)