2022 4BRO BIKES DIVERSITY Base

	S	M	L	XL
Stack	577mm	572mm	581mm	598mm
Reach	406mm	416mm	434mm	477mm
Stack to Reach Ratio	1.42:1	1.38:1	1.34:1	1.25:1
Seat Tube Length, C-T	360mm	439mm	492mm	554mm
Top Tube Length, Effective/Horizontal HT Top	497mm	523mm	553mm	610mm
Top Tube Slope	24.8deg	15.6deg	10.6deg	5.7deg
Head Tube Angle	71deg	71deg	71deg	71deg
Seat Tube Angle	76deg	76deg	76deg	76deg
Head Tube Length	100mm	100mm	110mm	130mm
Bottom Bracket Drop	75mm	70mm	70mm	70mm
Bottom Bracket Height	274.2mm	279.2mm	279.2mm	279.2mm
Chainstay Length	434mm	434mm	434mm	434mm
Chainstay Length Horizontal	427.5mm	428.3mm	428.3mm	428.3mm
Front-Center	642.9mm	652.5mm	681.3mm	720.1mm
Front-Center Horizontal	638.5mm	648.7mm	677.7mm	716.7mm
Wheelbase	1066mm	1077mm	1106mm	1145mm
Fork Offset/Rake	50mm	50mm	50mm	50mm
Fork Length (Axle-To-Crown)	440mm	440mm	440mm	440mm
Trail	67.3mm high	67.3mm high	67.3mm high	67.3mm high
Mechanical Trail	63.7mm	63.7mm	63.7mm	63.7mm
Wheel Flop	20.7mm	20.7mm	20.7mm	20.7mm
Standover Height	664mm	721mm	772mm	822mm
Tire to Pedal Spindle	123.8mm 170 mm cranks	133.3mm 170 mm cranks	162.1mm 170 mm cranks	200.9mm 170 mm cranks
Pedal Spindle to Ground Clearance	104.2mm 170 mm cranks	109.2mm 170 mm cranks	109.2mm 170 mm cranks	109.2mm 170 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://4brobikes.vn/diversity-frameset/

Geometry