Name: 2026 BlackHeart Bike Company Road AL Base
Brand: BlackHeart Bike Company

	46	49	52	54	56
Stack	515mm	526mm	538mm	552mm	567mm
Reach	372mm	374mm	376mm	382mm	387mm
Stack to Reach Ratio	1.38:1	1.41:1	1.43:1	1.45:1	1.47:1
Seat Tube Length, Unknown	440mm	460mm	480mm	500mm	515mm
Top Tube Length, Effective/Horizontal Unknown	505mm	515mm	525mm	540mm	555mm
Top Tube Slope	10.5deg	9.4deg	8.5deg	7.8deg	7.8deg
Head Tube Angle	71.5deg	72deg	72.5deg	73deg	73deg
Seat Tube Angle	75.5deg	75deg	74.5deg	74deg	73.5deg
Head Tube Length	110mm	120mm	130mm	145mm	160mm
Bottom Bracket Drop	74mm	74mm	74mm	73mm	73mm
Bottom Bracket Height	269mm	269mm	269mm	270mm	270mm
Chainstay Length	410mm	410mm	410mm	410mm	410mm
Chainstay Length Horizontal	403.3mm	403.3mm	403.3mm	403.5mm	403.5mm
Front-Center	570mm	571mm	572mm	578mm	588mm
Front-Center Horizontal	565.7mm	565.7mm	566.7mm	573.6mm	583.6mm
Wheelbase	969mm	969mm	970mm	977mm	987mm
Fork Offset/Rake	50mm	50mm	50mm	43mm	43mm
Fork Length, Unknown	371mm	371mm	371mm	371mm	371mm
Trail	62mm mid/neutral	58.9mm mid/neutral	55.7mm mid/neutral	59.9mm mid/neutral	59.9mm mid/neutral
Mechanical Trail	58.8mm	56mm	53.1mm	57.3mm	57.3mm
Wheel Flop	18.7mm	17.3mm	16mm	16.8mm	16.8mm
Standover Height	675mm	700mm	725mm	750mm	775mm
Tire to Pedal Spindle	57mm 170 mm cranks	58mm 170 mm cranks	59mm 170 mm cranks	65mm 170 mm cranks	75mm 170 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	100mm 170 mm cranks	100mm 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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2026 BlackHeart Bike Company Road AL Base

Geometry