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moped / default rider 183 cm

Honda Supra GTR 150 vs Vespa Primavera RED 50 ergonomics

Honda Supra GTR 150 and Vespa Primavera RED 50 have modeled posture scores within three points for the 183 cm default rider. Treat this as a planning estimate; posture preference, data confidence, and a real test sit still matter.

Modeled fit comparison

Honda Supra GTR 150

Modeled scoreProvisional
95Comfortable

All contacts reached

Vespa Primavera RED 50

Modeled scoreProvisional
95Comfortable

All contacts reached

The modeled scores are within three points, so the result does not distinguish a higher-scoring bike. 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 Honda Supra GTR 150 lists a 786 mm seat; the Vespa Primavera RED 50 lists 785 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 Honda Supra GTR 150 and Vespa Primavera RED 50
SpecHonda Supra GTR 150Vespa Primavera RED 50
Seat height786 mm785 mm
Wheelbase1,276 mm1,330 mm
Wet weight121 kg115 kg
Displacement150 cc50 cc

Posture metrics

Knee angle

Honda Supra GTR 150
Sport (57.7 deg)
Vespa Primavera RED 50
Sport (57.8 deg)

Hip angle

Honda Supra GTR 150
Neutral (97.8 deg)
Vespa Primavera RED 50
Neutral (96.6 deg)

Elbow angle

Honda Supra GTR 150
Relaxed (143.3 deg)
Vespa Primavera RED 50
Relaxed (143.3 deg)

Torso lean

Honda Supra GTR 150
Neutral (9.5 deg)
Vespa Primavera RED 50
Neutral (10.3 deg)