2010 (V1 - V2) Black Mountain Cycles Road Base

	50	53	56	59	62
Stack	523mm	538mm	575mm	596mm	615mm
Reach	369mm	375mm	384mm	403mm	412mm
Stack to Reach Ratio	1.42:1	1.43:1	1.5:1	1.48:1	1.49:1
Seat Tube Length, C-T	500mm	530mm	560mm	590mm	620mm
Top Tube Length, Effective/Horizontal Center	520mm	535mm	560mm	585mm	605mm
Top Tube Slope	4.8deg	3.3deg	4.1deg	3.2deg	2.3deg
Head Tube Angle	72deg	72.5deg	73deg	73deg	73deg
Seat Tube Angle	74deg	73.5deg	73deg	73deg	72.5deg
Head Tube Length	100mm	115mm	155mm	175mm	195mm
Bottom Bracket Drop	75mm	75mm	73mm	73mm	73mm
Bottom Bracket Height	269.3mm	269.3mm	271.3mm	271.3mm	271.3mm
Chainstay Length	425mm	425mm	428mm	428mm	428mm
Chainstay Length Horizontal	418.3mm	418.3mm	421.7mm	421.7mm	421.7mm
Front-Center	566.9mm	573.1mm	589.1mm	614.3mm	629mm
Front-Center Horizontal	561.9mm	568.2mm	584.5mm	610mm	624.8mm
Wheelbase	980.2mm	986.5mm	1006.3mm	1031.7mm	1046.5mm
Fork Offset/Rake	45mm	45mm	45mm	45mm	45mm
Fork Length (On-Axis)	375mm	375mm	375mm	375mm	375mm
Trail	64.6mm mid/neutral	61.4mm mid/neutral	58.2mm mid/neutral	58.2mm mid/neutral	58.2mm mid/neutral
Mechanical Trail	61.4mm	58.5mm	55.7mm	55.7mm	55.7mm
Wheel Flop	19mm	17.6mm	16.3mm	16.3mm	16.3mm
Tire to Pedal Spindle	52.6mm 170 mm cranks	58.8mm 170 mm cranks	74.8mm 170 mm cranks	100mm 170 mm cranks	114.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	99.3mm 170 mm cranks	99.3mm 170 mm cranks	101.3mm 170 mm cranks	101.3mm 170 mm cranks	101.3mm 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://blackmtncycles.com/wpblackmtn/wp-content/uploads/2016/01/BMC-Geometry-2016.jpg

Geometry