	XS	S	M	L
Stack	482mm	510mm	539mm	568mm
Reach	398mm	410mm	417mm	423mm
Stack to Reach Ratio	1.21:1	1.24:1	1.29:1	1.34:1
Top Tube Length, Actual C-C	568mm	580mm	602mm	608mm
Head Tube Angle	73deg	73deg	73deg	73deg
Effective Seat Tube Angle, Seat Tube Top	76.2deg	76.2deg	76.2deg	76.2deg
Head Tube Length	80mm	110mm	140mm	170mm
Bottom Bracket Drop	269mm	269mm	269mm	269mm
Bottom Bracket Height	65mm	65mm	65mm	65mm
Chainstay Length	405mm	405mm	405mm	405mm
Chainstay Length Horizontal	302.8mm	302.8mm	302.8mm	302.8mm
Front-Center	716.6mm	736.2mm	750.1mm	764.2mm
Front-Center Horizontal	664.2mm	685.2mm	700.2mm	715.2mm
Wheelbase	967mm	988mm	1003mm	1018mm
Fork Offset/Rake	61mm	61mm	61mm	61mm
Trail	38.3mm low	38.3mm low	38.3mm low	38.3mm low
Mechanical Trail	36.7mm	36.7mm	36.7mm	36.7mm
Wheel Flop	10.7mm	10.7mm	10.7mm	10.7mm
Standover Height	741.7mm	767.1mm	789.9mm	835.7mm
Tire to Pedal Spindle	212.6mm 170 mm cranks	232.2mm 170 mm cranks	246.1mm 170 mm cranks	260.2mm 170 mm cranks
Pedal Spindle to Ground Clearance	-105mm 170 mm cranks	-105mm 170 mm cranks	-105mm 170 mm cranks	-105mm 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

2016 GIANT Trinity Advanced Pro TT Base

Geometry