2021 Specialized Bicycles Mountain Base

	S2	S3	S4	S5
Stack	616mm	620mm	629mm	638mm
Reach	437mm	464mm	487mm	511mm
Stack to Reach Ratio	1.41:1	1.34:1	1.29:1	1.25:1
Seat Tube Length, C-T	400mm	420mm	440mm	465mm
Top Tube Length, Effective/Horizontal Center	591mm	619mm	644mm	670mm
Top Tube Slope	23.1deg	20.6deg	18.8deg	16.7deg
Head Tube Angle	64.3deg	64.3deg	64.3deg	64.3deg
Seat Tube Angle	76deg	76deg	76deg	76deg
Head Tube Length	95mm	100mm	110mm	120mm
Bottom Bracket Drop	21mm	21mm	21mm	21mm
Bottom Bracket Height	348.4mm	348.4mm	348.4mm	348.4mm
Chainstay Length	442mm	442mm	442mm	442mm
Chainstay Length Horizontal	441.5mm	441.5mm	441.5mm	441.5mm
Front-Center	775.8mm	804.8mm	832.8mm	860.8mm
Front-Center Horizontal	775.5mm	804.5mm	832.5mm	860.5mm
Wheelbase	1217mm	1246mm	1274mm	1302mm
Fork Offset/Rake	46mm	46mm	46mm	46mm
Fork Length, Unknown	581mm	581mm	581mm	581mm
Trail	126.7mm very high	126.7mm very high	126.7mm very high	126.7mm very high
Mechanical Trail	114.2mm	114.2mm	114.2mm	114.2mm
Wheel Flop	49.5mm	49.5mm	49.5mm	49.5mm
Tire to Pedal Spindle	236.4mm 170 mm cranks	265.4mm 170 mm cranks	293.3mm 170 mm cranks	321.3mm 170 mm cranks
Pedal Spindle to Ground Clearance	178.4mm 170 mm cranks	178.4mm 170 mm cranks	178.4mm 170 mm cranks	178.4mm 170 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/s-works-enduro/p/175275?color=300721-175275&searchText=93621-0102

Geometry