2024 CHIRU Kunlun Base

	XS	S	M	L	XL
Stack	527mm	552mm	571mm	590mm	611mm
Reach	382mm	387mm	388mm	393mm	399mm
Stack to Reach Ratio	1.38:1	1.43:1	1.47:1	1.5:1	1.53:1
Seat Tube Length, Unknown	475mm	525mm	550mm	565mm	590mm
Top Tube Length, Effective/Horizontal Unknown	515mm	535mm	550mm	565mm	580mm
Top Tube Slope	7.7deg	5.1deg	4.6deg	5.1deg	4.7deg
Head Tube Angle	71.2deg	71.7deg	72.3deg	72.7deg	73.2deg
Seat Tube Angle	75deg	74.2deg	73.4deg	73deg	72.75deg
Head Tube Length	120mm	145mm	165mm	185mm	205mm
Bottom Bracket Drop	74mm	74mm	72mm	70mm	70mm
Bottom Bracket Height	262mm	265mm	269mm	273mm	276mm
Chainstay Length	408mm	410mm	413mm	415mm	418mm
Chainstay Length Horizontal	401.2mm	403.3mm	406.7mm	409.1mm	412.1mm
Front-Center	588.4mm	597.3mm	598.7mm	606mm	612.9mm
Front-Center Horizontal	583.8mm	592.7mm	594.3mm	602mm	608.9mm
Wheelbase	985mm	996mm	1001mm	1011mm	1021mm
Fork Offset/Rake	45mm	45mm	45mm	45mm	45mm
Fork Length, Unknown	372mm	372mm	372mm	372mm	372mm
Trail	66.9mm high	64.7mm mid/neutral	61.6mm mid/neutral	59.7mm mid/neutral	57.5mm mid/neutral
Mechanical Trail	63.3mm	61.4mm	58.7mm	57mm	55mm
Wheel Flop	20.4mm	19.3mm	17.8mm	17mm	15.9mm
Tire to Pedal Spindle	82.4mm 170 mm cranks	88.3mm 170 mm cranks	87.7mm 170 mm cranks	93mm 170 mm cranks	96.9mm 170 mm cranks
Pedal Spindle to Ground Clearance	92mm 170 mm cranks	95mm 170 mm cranks	99mm 170 mm cranks	103mm 170 mm cranks	106mm 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://www.chirubikes.com/en/kit-cadre/kunlun/

Geometry