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Rider Height
<- Comparison guides

standard / default rider 183 cm

Triumph Speed 400 vs Yamaha SR400 ergonomics

Triumph Speed 400 and Yamaha SR400 land within a few ergonomic points for the default rider, so the better choice comes down to posture preference and bike category.

Fit verdict

Triumph Speed 400

95Comfortable

All contacts reached

Yamaha SR400

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 Triumph Speed 400 has a 790 mm seat; the Yamaha SR400 sits at 790 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 79 cm for the Triumph Speed 400 and 79 cm for the Yamaha SR400.

Geometry snapshot

Geometry comparison for Triumph Speed 400 and Yamaha SR400
SpecTriumph Speed 400Yamaha SR400
Seat height790 mm790 mm
Wheelbase1,377 mm1,410 mm
Wet weight170 kg174 kg
Displacement398 cc399 cc

Posture metrics

Knee angle

Triumph Speed 400
Sport (57.9 deg)
Yamaha SR400
Sport (58.0 deg)

Hip angle

Triumph Speed 400
Neutral (95.7 deg)
Yamaha SR400
Neutral (94.8 deg)

Elbow angle

Triumph Speed 400
Relaxed (143.3 deg)
Yamaha SR400
Relaxed (143.3 deg)

Torso lean

Triumph Speed 400
Neutral (11.0 deg)
Yamaha SR400
Neutral (11.5 deg)