2020 Gunnar Cycles USA Rock Tour II Base

	13.5	15.0	16.5	17.5	19.0	19.0	20.5	20.5	23.0	23.0	25.0
Stack	523mm	527mm	553mm	574mm	585mm	588mm	611mm	623mm	647mm	683mm	675mm
Reach	380mm	384mm	376mm	375mm	387mm	386mm	393mm	389mm	396mm	388mm	402mm
Stack to Reach Ratio	1.38:1	1.37:1	1.47:1	1.53:1	1.51:1	1.52:1	1.55:1	1.6:1	1.63:1	1.76:1	1.68:1
Seat Tube Length, C-T	343mm	381mm	420mm	445mm	483mm	483mm	522mm	520mm	584mm	520mm	625mm
Top Tube Length, Unknown	520mm	530mm	530mm	540mm	560mm	560mm	580mm	580mm	600mm	600mm	615mm
Top Tube Slope	22.7deg	18deg	17.1deg	16.1deg	11.9deg	12.1deg	10.4deg	11.9deg	8.6deg	18deg	6.3deg
Head Tube Angle	70.5deg	70.5deg	70deg	70.5deg	70.5deg	70.5deg	70.5deg	70.5deg	70.5deg	70.5deg	70.5deg
Seat Tube Angle	75deg	74.5deg	74.5deg	74deg	73.5deg	73.5deg	73deg	73deg	72.5deg	73deg	72.5deg
Head Tube Length	110mm	115mm	110mm	129mm	125mm	143mm	151mm	181mm	189mm	244mm	219mm
Bottom Bracket Drop	50mm	50mm	65mm	65mm	75mm	65mm	75mm	65mm	75mm	65mm	75mm
Bottom Bracket Height	287.9mm	287.9mm	285.4mm	285.4mm	294.4mm	285.4mm	294.4mm	285.4mm	294.4mm	285.4mm	294.4mm
Chainstay Length	440mm	440mm	450mm	450mm	460mm	450mm	460mm	450mm	460mm	450mm	460mm
Chainstay Length Horizontal	437.2mm	437.2mm	445.3mm	445.3mm	453.8mm	445.3mm	453.8mm	445.3mm	453.8mm	445.3mm	453.8mm
Front-Center	602mm	607mm	615mm	611mm	632mm	627mm	647mm	643mm	663mm	663mm	679mm
Front-Center Horizontal	599.9mm	605.9mm	611.7mm	607.7mm	627.2mm	623.7mm	643.2mm	639.7mm	658.2mm	659.7mm	675.2mm
Wheelbase	1037mm	1043mm	1057mm	1053mm	1081mm	1069mm	1097mm	1085mm	1112mm	1105mm	1129mm
Fork Offset/Rake	50mm	50mm	55mm	50mm	57mm	50mm	57mm	50mm	57mm	50mm	57mm
Fork Length, Unknown	395mm	395mm	415mm	415mm	424mm	415mm	424mm	415mm	424mm	415mm	424mm
Trail	66.6mm high	66.6mm high	69mm high	71.1mm high	70.4mm high	71.1mm high	70.4mm high	71.1mm high	70.4mm high	71.1mm high	70.4mm high
Mechanical Trail	62.8mm	62.8mm	64.9mm	67mm	66.3mm	67mm	66.3mm	67mm	66.3mm	67mm	66.3mm
Wheel Flop	21mm	21mm	22.2mm	22.4mm	22.1mm	22.4mm	22.1mm	22.4mm	22.1mm	22.4mm	22.1mm
Standover Height	688mm	706mm	735mm	755mm	796mm	776mm	827mm	811mm	877mm	841mm	906mm
Tire to Pedal Spindle	94.1mm 170 mm cranks	99.1mm 170 mm cranks	94.6mm 170 mm cranks	90.6mm 170 mm cranks	92.6mm 170 mm cranks	106.6mm 170 mm cranks	107.6mm 170 mm cranks	122.6mm 170 mm cranks	123.6mm 170 mm cranks	142.6mm 170 mm cranks	139.6mm 170 mm cranks
Pedal Spindle to Ground Clearance	117.9mm 170 mm cranks	117.9mm 170 mm cranks	115.4mm 170 mm cranks	115.4mm 170 mm cranks	124.4mm 170 mm cranks	115.4mm 170 mm cranks	124.4mm 170 mm cranks	115.4mm 170 mm cranks	124.4mm 170 mm cranks	115.4mm 170 mm cranks	124.4mm 170 mm cranks

	13.5	15.0	16.5	17.5	19.0	19.0	20.5	20.5	23.0	23.0	25.0
Wheel Size	26 in 559 mm BSD	26 in 559 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	700C/29 in 622 mm BSD	650B/27.5 in 584 mm BSD	700C/29 in 622 mm BSD	650B/27.5 in 584 mm BSD	700C/29 in 622 mm BSD	650B/27.5 in 584 mm BSD	700C/29 in 622 mm BSD
Tire Width	2.3in	2.3in	2.3in	2.3in	2.3in	2.3in	2.3in	2.3in	2.3in	2.3in	2.3in
Tire Outer Diameter	675.8mm	675.8mm	700.8mm	700.8mm	738.8mm	700.8mm	738.8mm	700.8mm	738.8mm	700.8mm	738.8mm
Bike Length with Tires	1712.8mm	1718.8mm	1757.8mm	1753.8mm	1819.8mm	1769.8mm	1835.8mm	1785.8mm	1850.8mm	1805.8mm	1867.8mm

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

Off-road Touring

Source:http://gunnarbikes.com/site/rocktourii/

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2020 Gunnar Cycles USA Rock Tour II Base

Geometry

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Stack and Reach vs. Category Trend