2023 bisya 5 Base

	xs	s	m	l
Stack	509mm	530mm	546mm	565mm
Reach	364mm	378mm	384mm	388mm
Stack to Reach Ratio	1.4:1	1.4:1	1.42:1	1.46:1
Seat Tube Length, Unknown	430mm	472mm	490mm	510mm
Top Tube Length, Actual C-C	500mm	525mm	535mm	550mm
Top Tube Slope	11.2deg	8.5deg	8.2deg	8.1deg
Head Tube Angle	70.5deg	72.5deg	73deg	73deg
Seat Tube Angle	75deg	74.5deg	74.5deg	74deg
Head Tube Length	105mm	120mm	140mm	160mm
Bottom Bracket Drop	68mm	68mm	68mm	68mm
Bottom Bracket Height	307mm	268mm	268mm	268mm
Chainstay Length	410mm	410mm	410mm	410mm
Chainstay Length Horizontal	404.3mm	404.3mm	404.3mm	404.3mm
Front-Center	567.8mm	571.7mm	579.7mm	589.6mm
Front-Center Horizontal	563.7mm	567.7mm	575.7mm	585.7mm
Wheelbase	968mm	972mm	980mm	990mm
Fork Offset/Rake	41mm	42mm	43.6mm	43.7mm
Trail	89.3mm very high	61.9mm mid/neutral	57.2mm mid/neutral	57mm mid/neutral
Mechanical Trail	84.2mm	59.1mm	54.7mm	54.5mm
Wheel Flop	28.1mm	17.8mm	16mm	15.9mm
Tire to Pedal Spindle	22.8mm 170 mm cranks	65.7mm 170 mm cranks	73.7mm 170 mm cranks	83.6mm 170 mm cranks
Pedal Spindle to Ground Clearance	137mm 170 mm cranks	98mm 170 mm cranks	98mm 170 mm cranks	98mm 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://bisya.jp/news/1946

Geometry