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Rider Height
<- Comparison guides

naked / default rider 183 cm

KTM 390 Duke vs Triumph Street Triple R 675 ergonomics

KTM 390 Duke has the higher modeled posture score (100 vs 95) for the 183 cm default rider compared with Triumph Street Triple R 675. Treat this as a planning estimate, not a comfort or purchase verdict; compare the source confidence and confirm both bikes in person.

Modeled fit comparison

KTM 390 Duke

Modeled scorePartially verified
100Comfortable

All contacts reached

Triumph Street Triple R 675

Modeled scoreProvisional
95Comfortable

All contacts reached

KTM 390 Duke scores higher for the 183 cm default rider in this model. 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 390 Duke lists a 820 mm seat; the Triumph Street Triple R 675 lists 820 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 390 Duke and Triumph Street Triple R 675
SpecKTM 390 DukeTriumph Street Triple R 675
Seat height820 mm820 mm
Wheelbase1,357 mm1,410 mm
Wet weight-183 kg
Displacement399 cc675 cc

Posture metrics

Knee angle

KTM 390 Duke
Neutral (78.4 deg)
Triumph Street Triple R 675
Sport (61.6 deg)

Hip angle

KTM 390 Duke
Neutral (123.2 deg)
Triumph Street Triple R 675
Neutral (92.4 deg)

Elbow angle

KTM 390 Duke
Relaxed (143.3 deg)
Triumph Street Triple R 675
Relaxed (143.3 deg)

Torso lean

KTM 390 Duke
Neutral (18.7 deg)
Triumph Street Triple R 675
Neutral (12.3 deg)