2020 Bombtrack Bicycle Company Hook EXT-C Complete

	XS	M	S	L	XL
Stack	539mm	569mm	558mm	590mm	607mm
Reach	376mm	371mm	375mm	380mm	384mm
Stack to Reach Ratio	1.43:1	1.53:1	1.49:1	1.55:1	1.58:1
Seat Tube Length, C-T	490mm	540mm	520mm	560mm	580mm
Top Tube Length, Effective/Horizontal Center	525mm	545mm	535mm	560mm	575mm
Top Tube Slope	7.5deg	5.7deg	6.4deg	5.7deg	5.5deg
Head Tube Angle	70.5deg	71.5deg	71deg	72deg	72deg
Seat Tube Angle	74.5deg	73deg	74deg	73deg	72.5deg
Head Tube Length	120mm	150mm	140mm	170mm	190mm
Bottom Bracket Drop	69mm	67mm	67mm	67mm	65mm
Bottom Bracket Height	273.8mm	275.8mm	275.8mm	275.8mm	277.8mm
Chainstay Length	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	429.5mm	429.8mm	429.8mm	429.8mm	430.1mm
Front-Center	599mm	595mm	601mm	606mm	616mm
Front-Center Horizontal	594.5mm	591.2mm	597.2mm	602.2mm	611.9mm
Wheelbase	1024mm	1021mm	1027mm	1032mm	1042mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm
Fork Length (Axle-To-Crown)	395mm	395mm	395mm	395mm	395mm
Trail	68.4mm high	62mm mid/neutral	65.2mm high	58.8mm mid/neutral	58.8mm mid/neutral
Mechanical Trail	64.4mm	58.8mm	61.6mm	55.9mm	55.9mm
Wheel Flop	21.5mm	18.7mm	20.1mm	17.3mm	17.3mm
Standover Height	767mm	796mm	784mm	816mm	935mm
Tire to Pedal Spindle	91.2mm 165 mm cranks	82.2mm 170 mm cranks	88.2mm 170 mm cranks	90.7mm 172.5 mm cranks	98.2mm 175 mm cranks
Pedal Spindle to Ground Clearance	108.8mm 165 mm cranks	105.8mm 170 mm cranks	105.8mm 170 mm cranks	103.3mm 172.5 mm cranks	102.8mm 175 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:http://bombtrack.com/2020-hook-ext-c/

Geometry