1992 Bridgestone Cycle Co. XO-3 Base

	48cm	52cm	57cm	43cm	46cm L
Stack	461.7mm	499mm	545.8mm	—	—
Reach	413mm	418mm	418mm	423mm	—
Stack to Reach Ratio	1.12:1	1.19:1	1.31:1	—	—
Seat Tube Length, C-T	480mm	520mm	570mm	430mm	460mm
Top Tube Length, Effective/Horizontal Center	535mm	545mm	575mm	—	—
Top Tube Length, Actual C-C	535mm	545mm	575mm	530mm	550mm
Top Tube Slope	0deg	0deg	0deg	—	—
Head Tube Angle	72deg	72deg	73deg	72deg	72deg
Seat Tube Angle	74deg	73.5deg	73deg	74deg	74deg
Bottom Bracket Drop	65mm	65mm	65mm	65mm	65mm
Bottom Bracket Height	284mm	284mm	284mm	284mm	284mm
Chainstay Length	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	430.1mm	430.1mm	430.1mm	430.1mm	430.1mm
Front-Center	605mm	606mm	609mm	604mm	603mm
Front-Center Horizontal	601.9mm	602.9mm	605.9mm	601.9mm	600.9mm
Wheelbase	1032mm	1033mm	1036mm	1032mm	1031mm
Fork Offset/Rake	50mm	50mm	45mm	50mm	50mm
Trail	60.8mm mid/neutral	60.8mm mid/neutral	59.6mm mid/neutral	60.8mm mid/neutral	60.8mm mid/neutral
Mechanical Trail	57.9mm	57.9mm	57mm	57.9mm	57.9mm
Wheel Flop	17.9mm	17.9mm	16.7mm	17.9mm	17.9mm
Standover Height	746mm	738mm	815mm	705mm	584mm
Tire to Pedal Spindle	86mm 170 mm cranks	87mm 170 mm cranks	85mm 175 mm cranks	85mm 170 mm cranks	84mm 170 mm cranks
Pedal Spindle to Ground Clearance	114mm 170 mm cranks	114mm 170 mm cranks	109mm 175 mm cranks	114mm 170 mm cranks	114mm 170 mm cranks

Very Upright

Somewhat Upright

Average

Somewhat Aggressive

Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Category Trend

Source:https://www.sheldonbrown.com/bridgestone/1992/1992.pdf

Geometry