	48cm	50cm	52cm	54cm	56cm	58cm
Stack	497mm	497mm	507mm	526mm	546mm	565mm
Reach	399mm	403mm	404mm	403mm	403mm	408mm
Stack to Reach Ratio	1.25:1	1.23:1	1.25:1	1.31:1	1.35:1	1.38:1
Seat Tube Length, C-T	480mm	500mm	520mm	540mm	560mm	580mm
Top Tube Length, Effective/Horizontal Center	540mm	545mm	550mm	555mm	560mm	570mm
Top Tube Slope	3.8deg	1.7deg	0.8deg	0.7deg	0.8deg	0.8deg
Head Tube Angle	75deg	75deg	75deg	75deg	75deg	75deg
Seat Tube Angle	74deg	74deg	74deg	74deg	74deg	74deg
Head Tube Length	90mm	90mm	100mm	120mm	140mm	160mm
Bottom Bracket Drop	55mm	55mm	55mm	55mm	55mm	55mm
Bottom Bracket Height	279mm	279mm	279mm	279mm	279mm	279mm
Chainstay Length	385mm	385mm	385mm	385mm	385mm	385mm
Chainstay Length Horizontal	381.1mm	381.1mm	381.1mm	381.1mm	381.1mm	381.1mm
Front-Center	572mm	572mm	574mm	578mm	583mm	593mm
Front-Center Horizontal	589mm	589mm	591mm	596mm	600mm	610mm
Wheelbase	970mm	970mm	972mm	977mm	981mm	991mm
Fork Offset/Rake	45mm	45mm	45mm	45mm	45mm	45mm
Trail	42.9mm low	42.9mm low	42.9mm low	42.9mm low	42.9mm low	42.9mm low
Mechanical Trail	41.5mm	41.5mm	41.5mm	41.5mm	41.5mm	41.5mm
Wheel Flop	10.7mm	10.7mm	10.7mm	10.7mm	10.7mm	10.7mm
Tire to Pedal Spindle	73mm 165 mm cranks	73mm 165 mm cranks	75mm 165 mm cranks	79mm 165 mm cranks	84mm 165 mm cranks	94mm 165 mm cranks
Pedal Spindle to Ground Clearance	114mm 165 mm cranks	114mm 165 mm cranks	114mm 165 mm cranks	114mm 165 mm cranks	114mm 165 mm cranks	114mm 165 mm cranks

	48cm	50cm	52cm	54cm	56cm	58cm
Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	23mm	23mm	23mm	23mm	23mm	23mm
Tire Outer Diameter	668mm	668mm	668mm	668mm	668mm	668mm
Bike Length with Tires	1638mm	1638mm	1640mm	1645mm	1649mm	1659mm
Crank Length	165mm	165mm	165mm	165mm	165mm	165mm
Handlebar Width	400mm	400mm	420mm	420mm	440mm	440mm
Stem Length	90mm	90mm	100mm	120mm	140mm	160mm

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

2015 MEKK Bicycles Pista T1 Base

Geometry