2013 Surly Bikes Pugsley Base

	XSmall	Small	Medium	Large	XLarge
Stack	396.8mm	514.8mm	603mm	621mm	637.8mm
Reach	436.8mm	412.7mm	398.7mm	407.4mm	416.8mm
Stack to Reach Ratio	0.91:1	1.25:1	1.51:1	1.52:1	1.53:1
Seat Tube Length, C-T	356.5mm	406.4mm	457.2mm	508mm	558.8mm
Top Tube Length, Effective/Horizontal Center	560mm	580.9mm	595.6mm	610.1mm	625mm
Top Tube Length, Actual C-C	545.8mm	554.3mm	566.5mm	581.9mm	600mm
Top Tube Slope	5.9deg	13.3deg	17.2deg	13.7deg	10.2deg
Head Tube Angle	70deg	70.5deg	70.5deg	70.5deg	70.5deg
Seat Tube Angle	73deg	72deg	72deg	72deg	72deg
Head Tube Length	95mm	102mm	112mm	130mm	150mm
Bottom Bracket Drop	55mm	55mm	55mm	55mm	55mm
Bottom Bracket Height	321mm	321mm	321mm	321mm	321mm
Chainstay Length	448.1mm	448.1mm	448.1mm	448.1mm	448.1mm
Chainstay Length Horizontal	444.7mm	444.7mm	444.7mm	444.7mm	444.7mm
Fork Offset/Rake	43mm	43mm	43mm	43mm	43mm
Fork Length (Axle-To-Crown)	447mm	447mm	447mm	447mm	447mm
Trail	91.1mm very high	87.5mm very high	87.5mm very high	87.5mm very high	87.5mm very high
Mechanical Trail	85.6mm	82.5mm	82.5mm	82.5mm	82.5mm
Wheel Flop	29.3mm	27.6mm	27.6mm	27.6mm	27.6mm
Standover Height	734.9mm	758.7mm	786.5mm	819.6mm	853mm
Pedal Spindle to Ground Clearance	151mm 170 mm cranks	151mm 170 mm cranks	151mm 170 mm cranks	151mm 170 mm cranks	151mm 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/2013_Surly_catalog_web.pdf

Geometry