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Rider Height
<- Comparison guides

supermoto / default rider 183 cm

Aprilia SX 125 vs KTM 690 Supermoto ergonomics

Aprilia SX 125 and KTM 690 Supermoto land within a few ergonomic points for the default rider, so the better choice comes down to posture preference and bike category.

Fit verdict

Aprilia SX 125

95Comfortable

All contacts reached

KTM 690 Supermoto

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 Aprilia SX 125 has a 880 mm seat; the KTM 690 Supermoto sits at 880 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 88 cm for the Aprilia SX 125 and 88 cm for the KTM 690 Supermoto.

Geometry snapshot

Geometry comparison for Aprilia SX 125 and KTM 690 Supermoto
SpecAprilia SX 125KTM 690 Supermoto
Seat height880 mm880 mm
Wheelbase1,425 mm1,472 mm
Wet weight136 kg-
Displacement124 cc654 cc

Posture metrics

Knee angle

Aprilia SX 125
Sport (58.0 deg)
KTM 690 Supermoto
Sport (58.1 deg)

Hip angle

Aprilia SX 125
Neutral (94.6 deg)
KTM 690 Supermoto
Neutral (93.5 deg)

Elbow angle

Aprilia SX 125
Relaxed (143.3 deg)
KTM 690 Supermoto
Relaxed (143.3 deg)

Torso lean

Aprilia SX 125
Neutral (11.7 deg)
KTM 690 Supermoto
Neutral (12.4 deg)