2023 BROSS Bicycle zenith Base

	XXS	XS	S	M	L	XL	XXL
Stack	512.4mm	521mm	532.1mm	543.1mm	560mm	577.2mm	595.4mm
Reach	370mm	375mm	380mm	385mm	395mm	403mm	405mm
Stack to Reach Ratio	1.38:1	1.39:1	1.4:1	1.41:1	1.42:1	1.43:1	1.47:1
Seat Tube Length, C-TTT	420mm	450mm	480mm	500mm	520mm	540mm	560mm
Top Tube Length, Effective/Horizontal Center	502.6mm	514.7mm	529.7mm	540.5mm	561.3mm	579.9mm	587.3mm
Top Tube Slope	10.2deg	7.7deg	5.6deg	4.6deg	4.4deg	4.2deg	4.1deg
Head Tube Angle	70.2deg	71deg	72deg	72.8deg	73.5deg	73.5deg	73.5deg
Seat Tube Angle	75.5deg	75deg	74.3deg	74.3deg	73.5deg	73deg	73deg
Head Tube Length	116mm	122mm	130mm	138.7mm	157mm	175mm	194mm
Bottom Bracket Drop	72mm	72mm	72mm	72mm	69mm	69mm	69mm
Bottom Bracket Height	267mm	267mm	267mm	267mm	270mm	270mm	270mm
Chainstay Length	408mm	408mm	408mm	408mm	408mm	408mm	408mm
Chainstay Length Horizontal	401.6mm	401.6mm	401.6mm	401.6mm	402.1mm	402.1mm	402.1mm
Front-Center	583mm	583.8mm	583.4mm	587.2mm	593.5mm	606.5mm	613.9mm
Front-Center Horizontal	578.5mm	579.3mm	578.9mm	582.8mm	589.5mm	602.6mm	610mm
Wheelbase	980.1mm	980.9mm	980.5mm	984.4mm	991.6mm	1004.7mm	1012.1mm
Fork Offset/Rake	46.9mm	46.9mm	46.9mm	46.9mm	46.9mm	46.9mm	46.9mm
Fork Length (On-Axis)	369mm	369mm	369mm	369mm	369mm	369mm	369mm
Trail	72.2mm high	67.1mm high	60.8mm mid/neutral	55.8mm mid/neutral	51.5mm mid/neutral	51.5mm mid/neutral	51.5mm mid/neutral
Mechanical Trail	67.9mm	63.5mm	57.9mm	53.4mm	49.4mm	49.4mm	49.4mm
Wheel Flop	23mm	20.7mm	17.9mm	15.8mm	14mm	14mm	14mm
Tire to Pedal Spindle	74mm 170 mm cranks	74.8mm 170 mm cranks	74.4mm 170 mm cranks	78.2mm 170 mm cranks	84.5mm 170 mm cranks	97.5mm 170 mm cranks	104.9mm 170 mm cranks
Pedal Spindle to Ground Clearance	97mm 170 mm cranks	97mm 170 mm cranks	97mm 170 mm cranks	97mm 170 mm cranks	100mm 170 mm cranks	100mm 170 mm cranks	100mm 170 mm cranks

	XXS	XS	S	M	L	XL	XXL
Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	28mm	28mm	28mm	28mm	28mm	28mm
Tire Width Max	32mm	32mm	32mm	32mm	32mm	32mm	32mm
Tire Outer Diameter	678mm	678mm	678mm	678mm	678mm	678mm	678mm
Bike Length with Tires	1658.1mm	1658.9mm	1658.5mm	1662.4mm	1669.6mm	1682.7mm	1690.1mm

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

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Performance Road

Source:http://47.96.121.208/bikes?cateId=19&subCateName=ZENITH

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2023 BROSS Bicycle zenith Base

Geometry

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Stack and Reach vs. Category Trend