1995 Trek Bikes 7900 Carbon

	16.5	18	20	22
Stack	515mm	513.8mm	535.6mm	581.8mm
Reach	404.7mm	421.5mm	415.1mm	401.3mm
Stack to Reach Ratio	1.27:1	1.22:1	1.29:1	1.45:1
Seat Tube Length, C-T	419.1mm	457.2mm	508mm	558.8mm
Top Tube Length, Effective/Horizontal Center	564mm	574mm	574mm	585mm
Top Tube Length, Actual C-C	541.4mm	557.4mm	563.4mm	582mm
Top Tube Slope	12deg	7deg	4deg	1deg
Head Tube Angle	70.5deg	71deg	71deg	71deg
Seat Tube Angle	73deg	73deg	73deg	73deg
Head Tube Length	93mm	93mm	116mm	167mm
Bottom Bracket Drop	41mm	38mm	38mm	36mm
Bottom Bracket Height	308mm	311mm	311mm	313mm
Chainstay Length	430mm	430mm	430mm	430mm
Chainstay Length Horizontal	428mm	428.3mm	428.3mm	428.5mm
Front-Center	616.3mm	628.8mm	629.8mm	632.5mm
Front-Center Horizontal	615mm	627.7mm	628.7mm	631.5mm
Wheelbase	1043mm	1056mm	1057mm	1060mm
Fork Offset/Rake	40mm	40mm	40mm	40mm
Fork Length (Axle-To-Crown)	406mm	406mm	406mm	406mm
Trail	81.2mm very high	77.9mm high	77.9mm high	77.9mm high
Mechanical Trail	76.5mm	73.6mm	73.6mm	73.6mm
Wheel Flop	25.5mm	24mm	24mm	24mm
Standover Height	743mm	764mm	794mm	836mm
Tire to Pedal Spindle	92.3mm 175 mm cranks	104.8mm 175 mm cranks	105.8mm 175 mm cranks	108.5mm 175 mm cranks
Pedal Spindle to Ground Clearance	133mm 175 mm cranks	136mm 175 mm cranks	136mm 175 mm cranks	138mm 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/TrekBrochures.htm

Geometry