2019 Spooky Cycles Gas Mask Frameset (650b wheels)

	50	52	54	56	58	60
Stack	530mm	550mm	560mm	575mm	605mm	615mm
Reach	365mm	375mm	380mm	385mm	390mm	400mm
Stack to Reach Ratio	1.45:1	1.47:1	1.47:1	1.49:1	1.55:1	1.54:1
Seat Tube Length, C-C	470mm	490mm	500mm	515mm	525mm	540mm
Top Tube Length, Effective/Horizontal Center	510mm	534mm	547mm	557mm	575mm	588mm
Head Tube Angle	70.5deg	71.5deg	71.5deg	71.5deg	72.5deg	72.5deg
Seat Tube Angle	75deg	74deg	73.5deg	73.5deg	73deg	73deg
Head Tube Length	98mm	116mm	126mm	142mm	170mm	180mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm	70mm	70mm
Bottom Bracket Height	269mm	269mm	269mm	269mm	269mm	269mm
Chainstay Length	425mm	425mm	425mm	425mm	425mm	425mm
Chainstay Length Horizontal	419.2mm	419.2mm	419.2mm	419.2mm	419.2mm	419.2mm
Front-Center	582mm	589mm	598mm	608mm	612mm	625mm
Front-Center Horizontal	577.8mm	584.8mm	593.8mm	603.8mm	607.8mm	620.8mm
Wheelbase	997mm	1004mm	1013mm	1023mm	1027mm	1040mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm	50mm
Fork Length (Axle-To-Crown)	395mm	395mm	395mm	395mm	395mm	395mm
Trail	67mm high	60.7mm mid/neutral	60.7mm mid/neutral	60.7mm mid/neutral	54.5mm mid/neutral	54.5mm mid/neutral
Mechanical Trail	63.2mm	57.6mm	57.6mm	57.6mm	51.9mm	51.9mm
Wheel Flop	21.1mm	18.3mm	18.3mm	18.3mm	15.6mm	15.6mm
Tire to Pedal Spindle	73mm 170 mm cranks	80mm 170 mm cranks	89mm 170 mm cranks	99mm 170 mm cranks	103mm 170 mm cranks	116mm 170 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks

	50	52	54	56	58	60
Wheel Size	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD
Tire Width	47mm	47mm	47mm	47mm	47mm	47mm
Tire Width Max	47mm	47mm	47mm	47mm	47mm	47mm
Tire Outer Diameter	678mm	678mm	678mm	678mm	678mm	678mm
Bike Length with Tires	1675mm	1682mm	1691mm	1701mm	1705mm	1718mm

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.

Learn more about the Upright/Aggressive Scale

Category Trend

All-road/Gravel

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2019 Spooky Cycles Gas Mask Frameset (650b wheels)

Geometry

Frameset (650b wheels) Build

Stack and Reach vs. Category Trend