2020 Specialized Bicycles Ruby Base

	44	48	51	54	56
Stack	541mm	554mm	575mm	596mm	616mm
Reach	353mm	358mm	365mm	370mm	370mm
Stack to Reach Ratio	1.53:1	1.55:1	1.58:1	1.61:1	1.66:1
Seat Tube Length, C-T	363mm	392mm	425mm	462mm	481mm
Top Tube Length, Effective/Horizontal HT Top	510mm	517mm	534mm	544mm	550mm
Top Tube Slope	23deg	20.9deg	19.1deg	17deg	17deg
Head Tube Angle	70deg	71deg	71.5deg	72deg	72.5deg
Seat Tube Angle	74.5deg	74.5deg	74deg	74deg	74deg
Head Tube Length	90mm	100mm	120mm	140mm	160mm
Bottom Bracket Drop	77.5mm	77.5mm	77.5mm	77.5mm	76mm
Bottom Bracket Height	261.5mm	261.5mm	261.5mm	261.5mm	263mm
Chainstay Length	413mm	413mm	413mm	413mm	415mm
Chainstay Length Horizontal	405.7mm	405.7mm	405.7mm	405.7mm	408mm
Front-Center	580mm	580mm	589mm	596mm	607mm
Front-Center Horizontal	575.3mm	575.3mm	584.3mm	591.3mm	602mm
Wheelbase	981mm	981mm	990mm	997mm	1010mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm
Trail	70.2mm high	63.9mm mid/neutral	60.7mm mid/neutral	57.6mm mid/neutral	54.5mm mid/neutral
Mechanical Trail	65.9mm	60.4mm	57.6mm	54.8mm	51.9mm
Wheel Flop	22.6mm	19.7mm	18.3mm	16.9mm	15.6mm
Standover Height	679mm	700.7mm	727.9mm	756.9mm	778mm
Tire to Pedal Spindle	76mm 165 mm cranks	76mm 165 mm cranks	80mm 170 mm cranks	87mm 170 mm cranks	95.5mm 172.5 mm cranks
Pedal Spindle to Ground Clearance	96.5mm 165 mm cranks	96.5mm 165 mm cranks	91.5mm 170 mm cranks	91.5mm 170 mm cranks	90.5mm 172.5 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

Source:https://www.specialized.com/us/en/ruby/p/159164?color=239331-159164

Geometry