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supermoto / default rider 183 cm

Gilera Nordwest 600 vs Rieju MRT 125 SM AC ergonomics

Gilera Nordwest 600 and Rieju MRT 125 SM AC 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

Gilera Nordwest 600

Modeled scoreProvisional
95Comfortable

All contacts reached

Rieju MRT 125 SM AC

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 Gilera Nordwest 600 lists a 870 mm seat; the Rieju MRT 125 SM AC lists 870 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 Gilera Nordwest 600 and Rieju MRT 125 SM AC
SpecGilera Nordwest 600Rieju MRT 125 SM AC
Seat height870 mm870 mm
Wheelbase1,415 mm1,380 mm
Wet weight--
Displacement558 cc125 cc

Posture metrics

Knee angle

Gilera Nordwest 600
Sport (58.0 deg)
Rieju MRT 125 SM AC
Sport (57.9 deg)

Hip angle

Gilera Nordwest 600
Neutral (94.9 deg)
Rieju MRT 125 SM AC
Neutral (95.5 deg)

Elbow angle

Gilera Nordwest 600
Relaxed (143.3 deg)
Rieju MRT 125 SM AC
Relaxed (143.3 deg)

Torso lean

Gilera Nordwest 600
Neutral (11.5 deg)
Rieju MRT 125 SM AC
Neutral (11.0 deg)