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Rider Height
<- Comparison guides

motocross / default rider 183 cm

KTM 125 SX vs KTM 250 SX ergonomics

KTM 125 SX and KTM 250 SX 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

KTM 125 SX

Modeled scoreProvisional
95Comfortable

All contacts reached

KTM 250 SX

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 KTM 125 SX lists a 958 mm seat; the KTM 250 SX lists 958 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 KTM 125 SX and KTM 250 SX
SpecKTM 125 SXKTM 250 SX
Seat height958 mm958 mm
Wheelbase1,493 mm1,493 mm
Wet weight--
Displacement125 cc249 cc

Posture metrics

Knee angle

KTM 125 SX
Sport (58.1 deg)
KTM 250 SX
Sport (58.1 deg)

Hip angle

KTM 125 SX
Neutral (93.1 deg)
KTM 250 SX
Neutral (93.1 deg)

Elbow angle

KTM 125 SX
Relaxed (143.3 deg)
KTM 250 SX
Relaxed (143.3 deg)

Torso lean

KTM 125 SX
Neutral (12.7 deg)
KTM 250 SX
Neutral (12.7 deg)