2018 Specialized Bicycles Epic Expert

	M	L	XL
Stack	588mm	597mm	611mm
Reach	408mm	433mm	456mm
Stack to Reach Ratio	1.44:1	1.38:1	1.34:1
Seat Tube Length, Unknown	400mm	434mm	470mm
Top Tube Length, Effective/Horizontal Center	568mm	595mm	623mm
Top Tube Slope	21.5deg	18.1deg	15.2deg
Head Tube Angle	69.5deg	69.5deg	69.5deg
Seat Tube Angle	74.75deg	74.75deg	74.75deg
Head Tube Length	95mm	105mm	120mm
Bottom Bracket Drop	38.9mm	38.9mm	38.9mm
Bottom Bracket Height	325.4mm	325.4mm	325.4mm
Chainstay Length	438mm	438mm	438mm
Chainstay Length Horizontal	436.3mm	436.3mm	436.3mm
Front-Center	659mm	688mm	716mm
Front-Center Horizontal	658.7mm	686.7mm	715.7mm
Wheelbase	1095mm	1123mm	1152mm
Fork Offset/Rake	42mm	42mm	42mm
Fork Length, Unknown	506mm	506mm	506mm
Trail	91.4mm very high	91.4mm very high	91.4mm very high
Mechanical Trail	85.6mm	85.6mm	85.6mm
Wheel Flop	30mm	30mm	30mm
Standover Height	764mm	770mm	776mm
Tire to Pedal Spindle	124.7mm 170 mm cranks	148.7mm 175 mm cranks	176.7mm 175 mm cranks
Pedal Spindle to Ground Clearance	155.4mm 170 mm cranks	150.4mm 175 mm cranks	150.4mm 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/mens-epic-expert/p/128845?color=240108-128845&searchText=90318-3102

Geometry