2017 Bombtrack Bicycle Company Hook AL

	S	M	L	XL
Stack	536mm	560mm	584mm	600mm
Reach	370mm	381mm	392mm	403mm
Stack to Reach Ratio	1.45:1	1.47:1	1.49:1	1.49:1
Seat Tube Length, C-T	500mm	530mm	560mm	590mm
Top Tube Length, Effective/Horizontal Center	534mm	552mm	570mm	586mm
Top Tube Slope	6.4deg	5.7deg	5deg	3.6deg
Head Tube Angle	71deg	71.5deg	72deg	72deg
Seat Tube Angle	73deg	73deg	73deg	73deg
Head Tube Length	115mm	138mm	162mm	179mm
Bottom Bracket Drop	65mm	65mm	65mm	65mm
Bottom Bracket Height	279mm	279mm	279mm	279mm
Chainstay Length	425mm	425mm	425mm	425mm
Chainstay Length Horizontal	420mm	420mm	420mm	420mm
Front-Center	583.6mm	597.6mm	611.5mm	627.4mm
Front-Center Horizontal	580mm	594mm	608mm	624mm
Wheelbase	1000mm	1014mm	1028mm	1044mm
Fork Offset/Rake	45mm	45mm	45mm	45mm
Trail	70.9mm high	67.7mm high	64.5mm mid/neutral	64.5mm mid/neutral
Mechanical Trail	67mm	64.2mm	61.3mm	61.3mm
Wheel Flop	21.8mm	20.4mm	18.9mm	18.9mm
Standover Height	768mm	796mm	820mm	839mm
Tire to Pedal Spindle	69.6mm 170 mm cranks	83.6mm 170 mm cranks	95mm 172.5 mm cranks	108.4mm 175 mm cranks
Pedal Spindle to Ground Clearance	109mm 170 mm cranks	109mm 170 mm cranks	106.5mm 172.5 mm cranks	104mm 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:https://www.bombtrack.com/wp-content/uploads/2016/11/bombtrack-my17-geometry-table.pdf

Geometry