1998 Gary Fisher Aquila Base

	XS	SM	MD	LG	XL
Stack	520.9mm	519mm	535.8mm	554.7mm	573.6mm
Reach	385.2mm	398.8mm	407.9mm	412.4mm	420.7mm
Stack to Reach Ratio	1.35:1	1.3:1	1.31:1	1.34:1	1.36:1
Top Tube Length, Effective/Horizontal Unknown	537mm	554mm	567.9mm	582.9mm	596.9mm
Head Tube Angle	70.48deg	70.59deg	71.09deg	71.09deg	71.09deg
Seat Tube Angle	73.98deg	73.59deg	73.59deg	73.09deg	73.09deg
Head Tube Length	85mm	85mm	105mm	125mm	145mm
Bottom Bracket Drop	41.2mm	39mm	35mm	35mm	35mm
Bottom Bracket Height	289.1mm	291.4mm	295.4mm	295.4mm	295.4mm
Chainstay Length	420mm	420mm	420mm	420mm	420mm
Chainstay Length Horizontal	418mm	418.2mm	418.5mm	418.5mm	418.5mm
Front-Center	599.1mm	611.6mm	622.8mm	633.7mm	648.4mm
Front-Center Horizontal	597.7mm	610.3mm	621.8mm	632.8mm	647.5mm
Wheelbase	1015.7mm	1028.5mm	1040.3mm	1051.3mm	1066mm
Fork Offset/Rake	40mm	40mm	40mm	40mm	40mm
Fork Length (Axle-To-Crown)	420mm	420mm	420mm	420mm	420mm
Trail	74.7mm high	74mm high	70.9mm high	70.9mm high	70.9mm high
Mechanical Trail	70.4mm	69.8mm	67mm	67mm	67mm
Wheel Flop	23.5mm	23.2mm	21.7mm	21.7mm	21.7mm
Standover Height	656.1mm	730mm	758.4mm	783.8mm	809mm
Tire to Pedal Spindle	98.8mm 170 mm cranks	106.3mm 175 mm cranks	117.5mm 175 mm cranks	128.4mm 175 mm cranks	143.1mm 175 mm cranks
Pedal Spindle to Ground Clearance	119.1mm 170 mm cranks	116.4mm 175 mm cranks	120.4mm 175 mm cranks	120.4mm 175 mm cranks	120.4mm 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.vintage-trek.com/Trek-Fisher-Klein-Lemond/1998fisher.pdf

Geometry