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Rider Height
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scrambler / default rider 183 cm

Brixton Crossfire 500 XC vs BSA Motorcycles A65 Firebird Scrambler ergonomics

Brixton Crossfire 500 XC and BSA Motorcycles A65 Firebird Scrambler have modeled posture scores within three points for the 183 cm default rider. Treat this as a planning estimate; posture preference, data confidence, and a real test sit still matter.

Modeled fit comparison

Brixton Crossfire 500 XC

Modeled scoreProvisional
95Comfortable

All contacts reached

BSA Motorcycles A65 Firebird Scrambler

Modeled scoreProvisional
95Comfortable

All contacts reached

The modeled scores are within three points, so the result does not distinguish a higher-scoring bike. 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 Brixton Crossfire 500 XC lists a 839 mm seat; the BSA Motorcycles A65 Firebird Scrambler lists 838 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 Brixton Crossfire 500 XC and BSA Motorcycles A65 Firebird Scrambler
SpecBrixton Crossfire 500 XCBSA Motorcycles A65 Firebird Scrambler
Seat height839 mm838 mm
Wheelbase1,441 mm1,372 mm
Wet weight195 kg184 kg
Displacement486 cc654 cc

Posture metrics

Knee angle

Brixton Crossfire 500 XC
Sport (58.0 deg)
BSA Motorcycles A65 Firebird Scrambler
Sport (57.9 deg)

Hip angle

Brixton Crossfire 500 XC
Neutral (94.3 deg)
BSA Motorcycles A65 Firebird Scrambler
Neutral (95.7 deg)

Elbow angle

Brixton Crossfire 500 XC
Relaxed (143.3 deg)
BSA Motorcycles A65 Firebird Scrambler
Relaxed (143.3 deg)

Torso lean

Brixton Crossfire 500 XC
Neutral (11.9 deg)
BSA Motorcycles A65 Firebird Scrambler
Neutral (10.9 deg)