2025 Yishunbike G015-D Base

	XS	S	M	L	XL
Stack	545mm	560mm	580mm	600mm	625mm
Reach	380mm	385mm	395mm	405mm	415mm
Stack to Reach Ratio	1.43:1	1.45:1	1.47:1	1.48:1	1.51:1
Seat Tube Length, C-TTT	450mm	480mm	510mm	540mm	570mm
Top Tube Length, Effective/Horizontal HT Top	526mm	540mm	561mm	583mm	600mm
Top Tube Slope	10.3deg	8.6deg	7.4deg	6.4deg	5.8deg
Head Tube Angle	71deg	71.5deg	72deg	72.5deg	72.5deg
Seat Tube Angle	75deg	74.5deg	74deg	73.5deg	73.5deg
Head Tube Length	109.4mm	123.3mm	142.4mm	161.5mm	187.7mm
Bottom Bracket Drop	78mm	78mm	78mm	78mm	78mm
Bottom Bracket Height	278mm	278mm	278mm	278mm	278mm
Chainstay Length	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	428mm	428mm	428mm	428mm	428mm
Front-Center	597mm	602mm	614mm	625mm	643mm
Front-Center Horizontal	592.1mm	597.1mm	609.1mm	620.1mm	638.1mm
Wheelbase	1020mm	1025mm	1037mm	1048mm	1066mm
Fork Offset/Rake	48mm	48mm	48mm	48mm	48mm
Fork Length (On-Axis)	400mm	400mm	400mm	400mm	400mm
Trail	71.8mm high	68.5mm high	65.2mm high	61.9mm mid/neutral	61.9mm mid/neutral
Mechanical Trail	67.9mm	65mm	62mm	59.1mm	59.1mm
Wheel Flop	22.1mm	20.6mm	19.2mm	17.8mm	17.8mm
Tire to Pedal Spindle	71mm 170 mm cranks	76mm 170 mm cranks	88mm 170 mm cranks	99mm 170 mm cranks	117mm 170 mm cranks
Pedal Spindle to Ground Clearance	108mm 170 mm cranks	108mm 170 mm cranks	108mm 170 mm cranks	108mm 170 mm cranks	108mm 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.yishunbike.com/frames/gravel/g015

Geometry