1993 Bridgestone Cycle Co. XO-1 Base

	42cm	48cm	52cm	55cm	59cm
Stack	424.5mm	480.3mm	517.7mm	545.1mm	583.4mm
Reach	389.4mm	386mm	396.3mm	398.4mm	401.7mm
Stack to Reach Ratio	1.09:1	1.24:1	1.31:1	1.37:1	1.45:1
Seat Tube Length, C-C	405mm	465mm	505mm	535mm	575mm
Top Tube Length, Effective/Horizontal Center	505mm	525mm	550mm	565mm	580mm
Top Tube Length, Actual C-C	505mm	525mm	550mm	565mm	580mm
Top Tube Slope	0deg	0deg	0deg	0deg	0deg
Head Tube Angle	72deg	72deg	73deg	73deg	73deg
Seat Tube Angle	75deg	74deg	73.5deg	73deg	73deg
Bottom Bracket Drop	45mm	45mm	45mm	45mm	45mm
Bottom Bracket Height	271mm	271mm	271mm	271mm	266.3mm
Chainstay Length	425mm	425mm	425mm	425mm	425mm
Chainstay Length Horizontal	422.6mm	422.6mm	422.6mm	422.6mm	422.6mm
Front-Center	577mm	577mm	585mm	595mm	610mm
Front-Center Horizontal	575.4mm	575.4mm	582.4mm	593.4mm	608.4mm
Wheelbase	998mm	998mm	1005mm	1016mm	1031mm
Fork Offset/Rake	45mm	45mm	40mm	40mm	40mm
Trail	55.4mm mid/neutral	55.4mm mid/neutral	54.8mm mid/neutral	54.8mm mid/neutral	53.3mm mid/neutral
Mechanical Trail	52.7mm	52.7mm	52.4mm	52.4mm	51mm
Wheel Flop	16.3mm	16.3mm	15.3mm	15.3mm	14.9mm
Standover Height	687mm	731mm	768mm	797mm	835mm
Tire to Pedal Spindle	91mm 170 mm cranks	91mm 170 mm cranks	99mm 170 mm cranks	104mm 175 mm cranks	123.8mm 175 mm cranks
Pedal Spindle to Ground Clearance	101mm 170 mm cranks	101mm 170 mm cranks	101mm 170 mm cranks	96mm 175 mm cranks	91.3mm 175 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/1993/pages/63.htm

Geometry