2019 Transition Bikes Patrol Base

	S	M	L	XL
Stack	596mm	605mm	614mm	623mm
Reach	425mm	450mm	475mm	500mm
Stack to Reach Ratio	1.4:1	1.34:1	1.29:1	1.25:1
Seat Tube Length, Unknown	360mm	400mm	440mm	490mm
Top Tube Length, Effective/Horizontal Unknown	555mm	583mm	611mm	640mm
Head Tube Angle	64deg	64deg	64deg	64deg
Effective Seat Tube Angle, Unknown	77.8deg	77.1deg	76.6deg	76.1deg
Head Tube Length	100mm	110mm	120mm	130mm
Bottom Bracket Drop	15mm	15mm	15mm	15mm
Bottom Bracket Height	340.5mm	340.5mm	340.5mm	340.5mm
Chainstay Length	430mm	430mm	430mm	430mm
Chainstay Length Max	430mm	430mm	430mm	430mm
Chainstay Length Horizontal	429.7mm	429.7mm	429.7mm	429.7mm
Chainstay Length Horizontal Max	429.7mm	429.7mm	429.7mm	429.7mm
Front-Center	749.4mm	779.4mm	808.4mm	838.4mm
Front-Center Horizontal	749.3mm	779.3mm	808.3mm	838.3mm
Wheelbase	1179mm	1209mm	1238mm	1268mm
Wheelbase Max	1179mm	1209mm	1238mm	1268mm
Fork Offset/Rake	37mm	37mm	37mm	37mm
Fork Length (Axle-To-Crown)	562mm	562mm	562mm	562mm
Trail	132.2mm very high	132.2mm very high	132.2mm very high	132.2mm very high
Mechanical Trail	118.8mm	118.8mm	118.8mm	118.8mm
Wheel Flop	52.1mm	52.1mm	52.1mm	52.1mm
Standover Height	680mm	685mm	695mm	710mm
Tire to Pedal Spindle	223.9mm 170 mm cranks	253.9mm 170 mm cranks	282.9mm 170 mm cranks	312.9mm 170 mm cranks
Pedal Spindle to Ground Clearance	170.5mm 170 mm cranks	170.5mm 170 mm cranks	170.5mm 170 mm cranks	170.5mm 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://www.transitionbikes.com/Support_Archive_VersionDetail.cfm?ID=6

Geometry