2021 Boardman Bikes HYB 8.9

	SM	MD	LG
Stack	554mm	577mm	601mm
Reach	396mm	413mm	431mm
Stack to Reach Ratio	1.4:1	1.4:1	1.39:1
Seat Tube Length, Unknown	450mm	490mm	540mm
Top Tube Length, Effective/Horizontal Center	565mm	590mm	615mm
Top Tube Slope	13.2deg	11deg	8.2deg
Head Tube Angle	73deg	73deg	73deg
Seat Tube Angle	73deg	73deg	73deg
Head Tube Length	120mm	145mm	170mm
Bottom Bracket Drop	65mm	65mm	65mm
Bottom Bracket Height	281mm	281mm	281mm
Chainstay Length	425mm	425mm	425mm
Chainstay Length Horizontal	420mm	420mm	420mm
Front-Center	594mm	617.9mm	643.1mm
Front-Center Horizontal	590.5mm	614.5mm	639.8mm
Wheelbase	1010.5mm	1034.5mm	1059.8mm
Fork Offset/Rake	43mm	43mm	43mm
Trail	60.8mm mid/neutral	60.8mm mid/neutral	60.8mm mid/neutral
Mechanical Trail	58.2mm	58.2mm	58.2mm
Wheel Flop	17mm	17mm	17mm
Tire to Pedal Spindle	78mm 170 mm cranks	96.9mm 175 mm cranks	122.1mm 175 mm cranks
Pedal Spindle to Ground Clearance	111mm 170 mm cranks	106mm 175 mm cranks	106mm 175 mm cranks

Published Sizing Recommendations

Height	170 cm to 179 cm	177 cm to 183 cm	181 cm to 189 cm
PBH	74 in to 82 in	78 in to 85 in	82 in to 89 in

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.boardmanbikes.com/gb_en/products/2347-hyb-8.9-2021.html#size