2024 Bombtrack Bicycle Company Hook EXT-C Complete

	S	M	L
Stack	577mm	595mm	614mm
Reach	381mm	396mm	404mm
Stack to Reach Ratio	1.51:1	1.5:1	1.52:1
Seat Tube Length, C-T	500mm	530mm	570mm
Top Tube Length, Effective/Horizontal Center	541mm	566mm	578mm
Top Tube Slope	10.5deg	9deg	6.7deg
Head Tube Angle	70.5deg	70.5deg	70.5deg
Seat Tube Angle	74.5deg	74deg	74deg
Head Tube Length	130mm	150mm	170mm
Bottom Bracket Drop	72mm	72mm	72mm
Bottom Bracket Height	281mm	281mm	281mm
Chainstay Length	425mm	429mm	434mm
Chainstay Length Horizontal	418.9mm	422.9mm	428mm
Front-Center	620mm	641mm	656mm
Front-Center Horizontal	616.1mm	637.1mm	652mm
Wheelbase	1035mm	1060mm	1080mm
Fork Offset/Rake	53mm	53mm	53mm
Fork Length (Axle-To-Crown)	410mm	410mm	410mm
Trail	68.8mm high	68.8mm high	68.8mm high
Mechanical Trail	64.8mm	64.8mm	64.8mm
Wheel Flop	21.6mm	21.6mm	21.6mm
Standover Height	793mm	816mm	845mm
Tire to Pedal Spindle	97mm 170 mm cranks	118mm 170 mm cranks	130.5mm 172.5 mm cranks
Pedal Spindle to Ground Clearance	111mm 170 mm cranks	111mm 170 mm cranks	108.5mm 172.5 mm cranks

Published Sizing Recommendations

Height

163 cm

173 cm

171 cm

181 cm

179 cm

188 cm

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/my24/complete-bikes/hook-ext-c