2017 Ritchey Design Break-Away Cross Base

	48	50	52	54	56	58	60
Stack	534mm	539mm	539mm	556mm	576mm	596mm	615mm
Reach	360mm	366mm	374mm	379mm	383mm	392mm	397mm
Stack to Reach Ratio	1.48:1	1.47:1	1.44:1	1.47:1	1.5:1	1.52:1	1.55:1
Seat Tube Length, C-T	480mm	500mm	500mm	500mm	560mm	560mm	560mm
Top Tube Length, Effective/Horizontal Center	515mm	522mm	530mm	540mm	555mm	570mm	580mm
Top Tube Slope	8.4deg	6.6deg	6.5deg	8.3deg	4.1deg	6.1deg	8deg
Head Tube Angle	71.5deg	71.5deg	71.5deg	71.5deg	72deg	72deg	72deg
Seat Tube Angle	74deg	74deg	74deg	74deg	73.5deg	73.5deg	73.5deg
Head Tube Length	95mm	100mm	100mm	118mm	138mm	158mm	178mm
Bottom Bracket Drop	65mm	65mm	65mm	65mm	65mm	65mm	65mm
Bottom Bracket Height	281mm	281mm	281mm	281mm	281mm	281mm	281mm
Chainstay Length	425mm	425mm	425mm	425mm	425mm	425mm	425mm
Chainstay Length Max	425mm	425mm	425mm	425mm	425mm	425mm	425mm
Chainstay Length Horizontal	420mm	420mm	420mm	420mm	420mm	420mm	420mm
Chainstay Length Horizontal Max	420mm	420mm	420mm	420mm	420mm	420mm	420mm
Front-Center	566.7mm	574.7mm	582.6mm	593.6mm	599.5mm	613.5mm	608.5mm
Front-Center Horizontal	563mm	571mm	579mm	590mm	596mm	610mm	605mm
Wheelbase	983mm	991mm	999mm	1010mm	1016mm	1030mm	1025mm
Wheelbase Max	983mm	991mm	999mm	1010mm	1016mm	1030mm	1025mm
Fork Offset/Rake	44mm	44mm	44mm	44mm	44mm	44mm	44mm
Fork Length (Axle-To-Crown)	390mm	390mm	390mm	390mm	390mm	390mm	390mm
Trail	69.4mm high	69.4mm high	69.4mm high	69.4mm high	66.2mm high	66.2mm high	66.2mm high
Mechanical Trail	65.8mm	65.8mm	65.8mm	65.8mm	62.9mm	62.9mm	62.9mm
Wheel Flop	20.9mm	20.9mm	20.9mm	20.9mm	19.4mm	19.4mm	19.4mm
Standover Height	764mm	776mm	776mm	786mm	822mm	833mm	845mm
Tire to Pedal Spindle	50.7mm 170 mm cranks	58.7mm 170 mm cranks	66.6mm 170 mm cranks	77.6mm 170 mm cranks	83.5mm 170 mm cranks	97.5mm 170 mm cranks	92.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	111mm 170 mm cranks	111mm 170 mm cranks	111mm 170 mm cranks	111mm 170 mm cranks	111mm 170 mm cranks	111mm 170 mm cranks	111mm 170 mm cranks

	48	50	52	54	56	58	60
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	700C/29 in 622 mm BSD
Tire Width	35mm	35mm	35mm	35mm	35mm	35mm	35mm
Tire Width Max	35mm	35mm	35mm	35mm	35mm	35mm	35mm
Tire Outer Diameter	692mm	692mm	692mm	692mm	692mm	692mm	692mm
Bike Length with Tires	1675mm	1683mm	1691mm	1702mm	1708mm	1722mm	1717mm

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

Cyclocross

Source:Bike Counterculture Geometry Database

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2017 Ritchey Design Break-Away Cross Base

Geometry

Base Build

Stack and Reach vs. Category Trend