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Rider Height
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supermoto / default rider 183 cm

KTM 450 SMR vs KTM 640 Duke II ergonomics

KTM 450 SMR and KTM 640 Duke II land within a few ergonomic points for the default rider, so the better choice comes down to posture preference and bike category.

Fit verdict

KTM 450 SMR

95Comfortable

All contacts reached

KTM 640 Duke II

95Comfortable

All contacts reached

The two bikes are close enough that posture preference matters more than the overall score.

Rider fit: reaching the ground

The KTM 450 SMR has a 899 mm seat; the KTM 640 Duke II sits at 900 mm, within a few millimetres of each other. As a rule of thumb you flat-foot a bike when your inseam roughly matches its seat height: about 90 cm for the KTM 450 SMR and 90 cm for the KTM 640 Duke II.

Geometry snapshot

Geometry comparison for KTM 450 SMR and KTM 640 Duke II
SpecKTM 450 SMRKTM 640 Duke II
Seat height899 mm900 mm
Wheelbase1,473 mm1,460 mm
Wet weight--
Displacement450 cc625 cc

Posture metrics

Knee angle

KTM 450 SMR
Sport (58.1 deg)
KTM 640 Duke II
Sport (58.1 deg)

Hip angle

KTM 450 SMR
Neutral (93.6 deg)
KTM 640 Duke II
Neutral (93.7 deg)

Elbow angle

KTM 450 SMR
Relaxed (143.3 deg)
KTM 640 Duke II
Relaxed (143.3 deg)

Torso lean

KTM 450 SMR
Neutral (12.3 deg)
KTM 640 Duke II
Neutral (12.2 deg)