2017 Dartmoor Bikes Primal Pro 27.5 140 mm Fork

	Small	Medium	Large	XLarge
Stack	625mm	625mm	625mm	625mm
Reach	390mm	415mm	440mm	465mm
Stack to Reach Ratio	1.6:1	1.51:1	1.42:1	1.34:1
Seat Tube Length, Unknown	430mm	457mm	480mm	485mm
Top Tube Length, Effective/Horizontal Unknown	566mm	589mm	610mm	632mm
Top Tube Slope	22.5deg	18.9deg	16deg	14.9deg
Head Tube Angle	67deg	67deg	67deg	67deg
Seat Tube Angle	73deg	73deg	73deg	73deg
Head Tube Length	120mm	120mm	120mm	120mm
Bottom Bracket Drop	40mm	40mm	40mm	40mm
Bottom Bracket Height	313mm	313mm	313mm	313mm
Chainstay Length	420mm	420mm	420mm	420mm
Chainstay Length Horizontal	418.1mm	418.1mm	418.1mm	418.1mm
Front-Center	675mm	700mm	725mm	750mm
Front-Center Horizontal	676.9mm	701.9mm	726.9mm	751.9mm
Wheelbase	1095mm	1120mm	1145mm	1170mm
Fork Offset/Rake	44mm	44mm	44mm	44mm
Trail	102mm very high	102mm very high	102mm very high	102mm very high
Mechanical Trail	93.9mm	93.9mm	93.9mm	93.9mm
Wheel Flop	36.7mm	36.7mm	36.7mm	36.7mm
Standover Height	785mm	785mm	785mm	785mm
Tire to Pedal Spindle	152mm 170 mm cranks	177mm 170 mm cranks	202mm 170 mm cranks	227mm 170 mm cranks
Pedal Spindle to Ground Clearance	143mm 170 mm cranks	143mm 170 mm cranks	143mm 170 mm cranks	143mm 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.

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Source:bikeinsights.com

Geometry