2017 Specialized Bicycles Roll Sport Base

	S	M	L	XL
Stack	586mm	619mm	647mm	670mm
Reach	346.2mm	352.3mm	370.4mm	392mm
Stack to Reach Ratio	1.69:1	1.76:1	1.75:1	1.71:1
Seat Tube Length, C-T	375mm	440mm	480mm	520mm
Top Tube Length, Actual C-C	595mm	615mm	645mm	676mm
Top Tube Slope	26.1deg	22.2deg	20.1deg	17.7deg
Head Tube Angle	67deg	67deg	67deg	67deg
Seat Tube Angle	68deg	69deg	69deg	69deg
Head Tube Length	155mm	185mm	215mm	240mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm
Bottom Bracket Height	280.4mm	280.4mm	280.4mm	280.4mm
Chainstay Length	480mm	480mm	480mm	480mm
Chainstay Length Horizontal	474.9mm	474.9mm	474.9mm	474.9mm
Front-Center	618.1mm	626.1mm	654.9mm	684.7mm
Front-Center Horizontal	614.1mm	622.1mm	651.1mm	681.1mm
Wheelbase	1089mm	1097mm	1126mm	1156mm
Fork Offset/Rake	55mm	55mm	55mm	55mm
Fork Length (On-Axis)	420mm	420mm	420mm	420mm
Trail	89mm very high	89mm very high	89mm very high	89mm very high
Mechanical Trail	81.9mm	81.9mm	81.9mm	81.9mm
Wheel Flop	32mm	32mm	32mm	32mm
Standover Height	730mm	787mm	824mm	850mm
Tire to Pedal Spindle	97.7mm 170 mm cranks	105.6mm 170 mm cranks	134.5mm 170 mm cranks	164.3mm 170 mm cranks
Pedal Spindle to Ground Clearance	110.4mm 170 mm cranks	110.4mm 170 mm cranks	110.4mm 170 mm cranks	110.4mm 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/ca/en/roll-sport/p/129094

Geometry