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supermoto / default rider 183 cm

Derbi Senda X-Treme 50 SM vs KTM 690 SMC ergonomics

Derbi Senda X-Treme 50 SM and KTM 690 SMC land within a few ergonomic points for the default rider, so the better choice comes down to posture preference and bike category.

Fit verdict

Derbi Senda X-Treme 50 SM

95Comfortable

All contacts reached

KTM 690 SMC

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 Derbi Senda X-Treme 50 SM has a 900 mm seat; the KTM 690 SMC 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 Derbi Senda X-Treme 50 SM and 90 cm for the KTM 690 SMC.

Geometry snapshot

Geometry comparison for Derbi Senda X-Treme 50 SM and KTM 690 SMC
SpecDerbi Senda X-Treme 50 SMKTM 690 SMC
Seat height900 mm900 mm
Wheelbase1,355 mm1,480 mm
Wet weight--
Displacement50 cc654 cc

Posture metrics

Knee angle

Derbi Senda X-Treme 50 SM
Sport (57.8 deg)
KTM 690 SMC
Sport (58.1 deg)

Hip angle

Derbi Senda X-Treme 50 SM
Neutral (96.1 deg)
KTM 690 SMC
Neutral (93.3 deg)

Elbow angle

Derbi Senda X-Treme 50 SM
Relaxed (143.3 deg)
KTM 690 SMC
Relaxed (143.3 deg)

Torso lean

Derbi Senda X-Treme 50 SM
Neutral (10.6 deg)
KTM 690 SMC
Neutral (12.5 deg)