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Rider Height
<- Comparison guides

sport / default rider 183 cm

CFMoto 450SS vs QJ Motor SRK 421 RR ergonomics

CFMoto 450SS and QJ Motor SRK 421 RR land within a few ergonomic points for the default rider, so the better choice comes down to posture preference and bike category.

Fit verdict

CFMoto 450SS

90Comfortable

All contacts reached

QJ Motor SRK 421 RR

90Comfortable

All contacts reached

The two bikes are close enough that posture preference matters more than the overall score.

Rider fit: reaching the ground

The CFMoto 450SS has a 795 mm seat; the QJ Motor SRK 421 RR sits at 795 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 80 cm for the CFMoto 450SS and 80 cm for the QJ Motor SRK 421 RR.

Geometry snapshot

Geometry comparison for CFMoto 450SS and QJ Motor SRK 421 RR
SpecCFMoto 450SSQJ Motor SRK 421 RR
Seat height795 mm795 mm
Wheelbase1,367 mm1,385 mm
Wet weight170 kg185 kg
Displacement449 cc421 cc

Posture metrics

Knee angle

CFMoto 450SS
Sport (60.7 deg)
QJ Motor SRK 421 RR
Sport (60.7 deg)

Hip angle

CFMoto 450SS
Neutral (99.5 deg)
QJ Motor SRK 421 RR
Neutral (99.6 deg)

Elbow angle

CFMoto 450SS
Relaxed (143.3 deg)
QJ Motor SRK 421 RR
Relaxed (143.3 deg)

Torso lean

CFMoto 450SS
Forward (25.3 deg)
QJ Motor SRK 421 RR
Forward (25.3 deg)