Skip to content
Rider Height
<- Comparison guides

standard / default rider 183 cm

Triumph Bonneville T120 vs Triumph Speed 400 ergonomics

Triumph Bonneville T120 scores 100 vs 95 for the default rider, making it the stronger ergonomic fit than Triumph Speed 400 in this comparison.

Fit verdict

Triumph Bonneville T120

100Comfortable

All contacts reached

Triumph Speed 400

95Comfortable

All contacts reached

Triumph Bonneville T120 has the stronger default-rider fit in this generated comparison.

Rider fit: reaching the ground

The Triumph Bonneville T120 has a 790 mm seat; the Triumph Speed 400 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 Bonneville T120 and 79 cm for the Triumph Speed 400.

Geometry snapshot

Geometry comparison for Triumph Bonneville T120 and Triumph Speed 400
SpecTriumph Bonneville T120Triumph Speed 400
Seat height790 mm790 mm
Wheelbase1,450 mm1,377 mm
Wet weight236 kg170 kg
Displacement1,200 cc398 cc

Posture metrics

Knee angle

Triumph Bonneville T120
Neutral (83.6 deg)
Triumph Speed 400
Sport (57.9 deg)

Hip angle

Triumph Bonneville T120
Neutral (113.6 deg)
Triumph Speed 400
Neutral (95.7 deg)

Elbow angle

Triumph Bonneville T120
Relaxed (143.3 deg)
Triumph Speed 400
Relaxed (143.3 deg)

Torso lean

Triumph Bonneville T120
Neutral (14.9 deg)
Triumph Speed 400
Neutral (11.0 deg)