2019 Gunnar Cycles USA Track Star Base

	430	480	500	520	540	560	580	600	620	640
Stack	458mm	471mm	487mm	512mm	526mm	545mm	565mm	584mm	602mm	621mm
Reach	381mm	384mm	390mm	403mm	409mm	404mm	408mm	413mm	412mm	416mm
Stack to Reach Ratio	1.2:1	1.23:1	1.25:1	1.27:1	1.29:1	1.35:1	1.38:1	1.41:1	1.46:1	1.49:1
Seat Tube Length, C-T	450mm	480mm	515mm	535mm	555mm	575mm	595mm	615mm	635mm	655mm
Top Tube Length, Effective/Horizontal HT Top	495mm	505mm	520mm	535mm	550mm	560mm	570mm	580mm	590mm	600mm
Top Tube Slope	3.8deg	1.9deg	359.9deg	0.2deg	359.8deg	0deg	0deg	0deg	0deg	0deg
Head Tube Angle	73.5deg	74deg	74deg	74deg	74.5deg	74.5deg	74.5deg	74.5deg	74.5deg	74.5deg
Seat Tube Angle	76deg	75.5deg	75deg	75.5deg	75deg	74deg	74deg	74deg	73.5deg	73.5deg
Head Tube Length	95mm	107mm	122mm	98mm	112mm	132mm	152mm	172mm	190mm	210mm
Bottom Bracket Drop	35mm	35mm	35mm	60mm	60mm	60mm	60mm	60mm	60mm	60mm
Bottom Bracket Height	275.5mm	275.5mm	275.5mm	276mm	276mm	276mm	276mm	276mm	276mm	276mm
Chainstay Length	380mm	380mm	380mm	395mm	395mm	395mm	395mm	395mm	400mm	400mm
Chainstay Length Horizontal	378.4mm	378.4mm	378.4mm	390.4mm	390.4mm	390.4mm	390.4mm	390.4mm	395.5mm	395.5mm
Front-Center	543mm	546mm	551mm	566mm	572mm	572mm	582mm	592mm	596mm	605mm
Front-Center Horizontal	542.6mm	544.6mm	549.6mm	562.6mm	568.6mm	568.6mm	578.6mm	588.6mm	592.5mm	602.5mm
Wheelbase	921mm	923mm	928mm	953mm	959mm	959mm	969mm	979mm	988mm	998mm
Fork Offset/Rake	35mm	35mm	30mm	30mm	30mm	30mm	30mm	30mm	30mm	30mm
Fork Length (Axle-To-Crown)	343mm	343mm	343mm	366mm	366mm	366mm	366mm	366mm	366mm	366mm
Trail	55.5mm mid/neutral	52.6mm mid/neutral	57.8mm mid/neutral	65.1mm high	62.1mm mid/neutral	62.1mm mid/neutral	62.1mm mid/neutral	62.1mm mid/neutral	62.1mm mid/neutral	62.1mm mid/neutral
Mechanical Trail	53.2mm	50.6mm	55.6mm	62.6mm	59.8mm	59.8mm	59.8mm	59.8mm	59.8mm	59.8mm
Wheel Flop	15.1mm	13.9mm	15.3mm	17.3mm	16mm	16mm	16mm	16mm	16mm	16mm
Standover Height	708mm	728mm	753mm	774mm	791mm	809mm	828mm	847mm	865mm	884mm
Tire to Pedal Spindle	62.5mm 170 mm cranks	65.5mm 170 mm cranks	70.5mm 170 mm cranks	60mm 170 mm cranks	66mm 170 mm cranks	66mm 170 mm cranks	76mm 170 mm cranks	86mm 170 mm cranks	90mm 170 mm cranks	99mm 170 mm cranks
Pedal Spindle to Ground Clearance	105.5mm 170 mm cranks	105.5mm 170 mm cranks	105.5mm 170 mm cranks	106mm 170 mm cranks	106mm 170 mm cranks	106mm 170 mm cranks	106mm 170 mm cranks	106mm 170 mm cranks	106mm 170 mm cranks	106mm 170 mm cranks

	430	480	500	520	540	560	580	600	620	640
Wheel Size	650C 571 mm BSD	650C 571 mm BSD	650C 571 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	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	25mm	25mm	25mm	25mm	25mm	25mm	25mm	25mm	25mm	25mm
Tire Width Max	25mm	25mm	25mm	25mm	25mm	25mm	25mm	25mm	25mm	25mm
Tire Outer Diameter	621mm	621mm	621mm	672mm	672mm	672mm	672mm	672mm	672mm	672mm
Bike Length with Tires	1542mm	1544mm	1549mm	1625mm	1631mm	1631mm	1641mm	1651mm	1660mm	1670mm

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.

Learn more about the Upright/Aggressive Scale

Category Trend

Track/Fixed-gear

Source:http://gunnarbikes.com/site/track-star/

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2019 Gunnar Cycles USA Track Star Base

Geometry

Base Build

Stack and Reach vs. Category Trend