2020 Specialized Bicycles Rockhopper Base

	S	M	L	XL	XXL
Stack	607mm	616mm	626mm	640mm	654mm
Reach	405mm	425mm	445mm	465mm	485mm
Stack to Reach Ratio	1.5:1	1.45:1	1.41:1	1.38:1	1.35:1
Seat Tube Length, C-T	360mm	400mm	450mm	500mm	560mm
Top Tube Length, Effective/Horizontal Center	586mm	608mm	630mm	654mm	679mm
Top Tube Slope	27.3deg	23.4deg	18.8deg	14.8deg	10.3deg
Head Tube Angle	68.5deg	68.5deg	68.5deg	68.5deg	68.5deg
Seat Tube Angle	73.5deg	73.5deg	73.5deg	73.5deg	73.5deg
Head Tube Length	95mm	95mm	105mm	120mm	135mm
Bottom Bracket Drop	62mm	62mm	62mm	62mm	62mm
Bottom Bracket Height	308.7mm	308.7mm	308.7mm	308.7mm	308.7mm
Chainstay Length	440mm	440mm	440mm	440mm	440mm
Chainstay Length Horizontal	435.6mm	435.6mm	435.6mm	435.6mm	435.6mm
Front-Center	672mm	696mm	719mm	745mm	770mm
Front-Center Horizontal	669.4mm	692.4mm	716.4mm	742.4mm	767.4mm
Wheelbase	1105mm	1128mm	1152mm	1178mm	1203mm
Fork Offset/Rake	46mm	46mm	46mm	46mm	46mm
Fork Length, Unknown	505mm	515mm	515mm	515mm	515mm
Trail	96.6mm very high	96.6mm very high	96.6mm very high	96.6mm very high	96.6mm very high
Mechanical Trail	89.9mm	89.9mm	89.9mm	89.9mm	89.9mm
Wheel Flop	32.9mm	32.9mm	32.9mm	32.9mm	32.9mm
Standover Height	732mm	754mm	781mm	820mm	853mm
Tire to Pedal Spindle	131.3mm 170 mm cranks	155.3mm 170 mm cranks	173.3mm 175 mm cranks	199.3mm 175 mm cranks	224.3mm 175 mm cranks
Pedal Spindle to Ground Clearance	138.7mm 170 mm cranks	138.7mm 170 mm cranks	133.7mm 175 mm cranks	133.7mm 175 mm cranks	133.7mm 175 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/rockhopper-sport/p/184114?color=291562-184114&searchText=91520-6602

Geometry