1991 Miyata Sportcross Base

	46cm	50cm	54cm	58cm	63cm
Stack	473mm	511.3mm	549.5mm	587.9mm	635.8mm
Reach	383.1mm	389.9mm	395.7mm	394.6mm	389mm
Stack to Reach Ratio	1.23:1	1.31:1	1.39:1	1.49:1	1.63:1
Seat Tube Length, C-C	460mm	500mm	540mm	580mm	630mm
Top Tube Length, Effective/Horizontal Center	529mm	547.5mm	565mm	575mm	584mm
Top Tube Length, Actual C-C	529mm	547.5mm	565mm	575mm	584mm
Top Tube Slope	0deg	0deg	0deg	0deg	0deg
Head Tube Angle	71deg	71deg	71deg	72deg	72deg
Seat Tube Angle	73deg	73deg	73deg	73deg	73deg
Bottom Bracket Drop	55mm	55mm	55mm	55mm	55mm
Bottom Bracket Height	291mm	291mm	291mm	291mm	291mm
Chainstay Length	443mm	443mm	443mm	443mm	443mm
Chainstay Length Horizontal	439.6mm	439.6mm	439.6mm	439.6mm	439.6mm
Front-Center	610mm	615mm	630mm	633mm	644mm
Front-Center Horizontal	607.4mm	612.4mm	622.4mm	628.4mm	641.4mm
Wheelbase	1047mm	1052mm	1062mm	1068mm	1081mm
Fork Offset/Rake	60mm	60mm	60mm	60mm	60mm
Trail	55.7mm mid/neutral	55.7mm mid/neutral	55.7mm mid/neutral	49.3mm mid/neutral	49.3mm mid/neutral
Mechanical Trail	52.7mm	52.7mm	52.7mm	46.9mm	46.9mm
Wheel Flop	17.1mm	17.1mm	17.1mm	14.5mm	14.5mm
Tire to Pedal Spindle	94mm 170 mm cranks	99mm 170 mm cranks	114mm 170 mm cranks	117mm 170 mm cranks	128mm 170 mm cranks
Pedal Spindle to Ground Clearance	121mm 170 mm cranks	121mm 170 mm cranks	121mm 170 mm cranks	121mm 170 mm cranks	121mm 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.ragandbone.ca/PDFs/Miyata%20Catalogue%20PDFs/MIyata%20Catalogue%2091.pdf

Geometry