2003-2004 Surly Bikes Karate Monkey Legacy

	Small	Medium	Large	X-Large
Stack	589.2mm	600.6mm	607.3mm	616.8mm
Reach	394.4mm	414.9mm	430.1mm	428.9mm
Stack to Reach Ratio	1.49:1	1.45:1	1.41:1	1.44:1
Seat Tube Length, C-TTT	406.4mm	457.2mm	508mm	558.8mm
Top Tube Length, Effective/Horizontal Center	576.6mm	600.6mm	617.5mm	633.6mm
Top Tube Length, Actual C-C	552mm	574.5mm	594.5mm	614.3mm
Head Tube Angle	71deg	71.5deg	72deg	72deg
Effective Seat Tube Angle, Seat Tube Top	73deg	73deg	73deg	73deg
Head Tube Length	80mm	90mm	95mm	105mm
Bottom Bracket Drop	68mm	68mm	68mm	68mm
Bottom Bracket Height	300.5mm	300.5mm	300.5mm	300.5mm
Chainstay Length	426mm	426mm	426mm	426mm
Chainstay Length Horizontal	420.5mm	420.5mm	420.5mm	420.5mm
Front-Center	623mm	642mm	654mm	670mm
Front-Center Horizontal	619.4mm	638.5mm	650.6mm	652.5mm
Wheelbase	1039.9mm	1059mm	1071.1mm	1073mm
Fork Offset/Rake	43mm	43mm	43mm	43mm
Fork Length (Axle-To-Crown)	468mm	468mm	468mm	468mm
Trail	81.4mm very high	78mm high	74.5mm high	74.5mm high
Mechanical Trail	77mm	73.9mm	70.9mm	70.9mm
Wheel Flop	25.1mm	23.5mm	21.9mm	21.9mm
Standover Height	781.6mm	551.1mm	838.2mm	566.8mm
Tire to Pedal Spindle	84.5mm 170 mm cranks	103.5mm 170 mm cranks	115.5mm 170 mm cranks	131.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	130.5mm 170 mm cranks	130.5mm 170 mm cranks	130.5mm 170 mm cranks	130.5mm 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://surlybikes.com/uploads/downloads/Surly_2003_Catalog.pdf https://surlybikes.com/uploads/downloads/Surly2004.pdf

Geometry