2007 Felt Bicycles z80 Base

	50cm	51cm	54cm
Stack	537.9mm	552.1mm	581.3mm
Reach	367.3mm	370.3mm	377.4mm
Stack to Reach Ratio	1.46:1	1.49:1	1.54:1
Seat Tube Length, C-T	460mm	470mm	500mm
Top Tube Length, Effective/Horizontal Center	518mm	525mm	545mm
Top Tube Length, Actual C-C	500.8mm	507.3mm	525.9mm
Top Tube Slope	10.9deg	11.3deg	11deg
Head Tube Angle	72deg	72deg	72.5deg
Seat Tube Angle	74.5deg	74.5deg	74deg
Head Tube Length	140mm	140mm	160mm
Bottom Bracket Drop	70mm	70mm	70mm
Bottom Bracket Height	266mm	266mm	266mm
Chainstay Length	415mm	415mm	415mm
Chainstay Length Horizontal	409.1mm	409.1mm	409.1mm
Front-Center	580.2mm	583.2mm	594.6mm
Front-Center Horizontal	576mm	579mm	590.5mm
Wheelbase	985mm	988mm	999.5mm
Fork Offset/Rake	50mm	50mm	50mm
Trail	56.6mm mid/neutral	56.6mm mid/neutral	53.5mm mid/neutral
Mechanical Trail	53.8mm	53.8mm	51mm
Wheel Flop	16.6mm	16.6mm	15.4mm
Standover Height	—	719mm	738mm
Tire to Pedal Spindle	74.2mm 170 mm cranks	77.2mm 170 mm cranks	88.6mm 170 mm cranks
Pedal Spindle to Ground Clearance	96mm 170 mm cranks	96mm 170 mm cranks	96mm 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.yumpu.com/en/document/read/7071568/08-performance-felt-bicycles

Geometry