2019 Brick Lane Bikes (BLB) Viper Frameset

	S	M	L	XL
Stack	517.3mm	545.5mm	563.6mm	581.7mm
Reach	383.7mm	392.7mm	403.4mm	413.8mm
Stack to Reach Ratio	1.35:1	1.39:1	1.4:1	1.41:1
Seat Tube Length, C-C	500mm	530mm	550mm	570mm
Top Tube Length, Effective/Horizontal Center	520mm	540mm	560mm	580mm
Top Tube Length, Actual C-C	520mm	540mm	560mm	580mm
Top Tube Slope	0deg	0deg	0deg	0deg
Head Tube Angle	71.5deg	73.2deg	74deg	75deg
Seat Tube Angle	75.5deg	75deg	74.5deg	74deg
Head Tube Length	135mm	155mm	170mm	185mm
Bottom Bracket Drop	55mm	55mm	55mm	55mm
Bottom Bracket Height	279mm	279mm	279mm	279mm
Chainstay Length	390mm	390mm	390mm	390mm
Chainstay Length Horizontal	386.1mm	386.1mm	386.1mm	386.1mm
Front-Center	577.9mm	580mm	588.2mm	593.8mm
Front-Center Horizontal	575.3mm	577.3mm	585.6mm	591.2mm
Wheelbase	961.4mm	963.5mm	971.7mm	977.3mm
Fork Offset/Rake	35mm	35mm	35mm	35mm
Trail	74.9mm high	64.3mm mid/neutral	59.4mm mid/neutral	53.3mm mid/neutral
Mechanical Trail	71mm	61.5mm	57.1mm	51.5mm
Wheel Flop	22.5mm	17.8mm	15.7mm	13.3mm
Tire to Pedal Spindle	73.9mm 170 mm cranks	76mm 170 mm cranks	84.2mm 170 mm cranks	89.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	109mm 170 mm cranks	109mm 170 mm cranks	109mm 170 mm cranks	109mm 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.santafixie.com/en/fixie-frame/blb-viper-frameset-black-hawk.html#

Geometry