2025 Gunsha Bikes ATR Carbon 2.0

	XS/ S	M	L	XL	XXL
Stack	541mm	564mm	589mm	608mm	629mm
Reach	374mm	378mm	381mm	390mm	397mm
Stack to Reach Ratio	1.45:1	1.49:1	1.55:1	1.56:1	1.58:1
Seat Tube Length, C-T	460mm	490mm	510mm	530mm	560mm
Top Tube Length, Effective/Horizontal HT Top	525mm	540mm	555mm	570mm	590mm
Top Tube Slope	11.1deg	10.3deg	10.8deg	10.5deg	9.5deg
Head Tube Angle	70deg	71deg	71.5deg	71.5deg	72deg
Seat Tube Angle	74.5deg	74deg	73.5deg	73.5deg	73deg
Head Tube Length	120mm	140mm	165mm	185mm	205mm
Bottom Bracket Drop	68mm	68mm	68mm	68mm	68mm
Bottom Bracket Height	283mm	283mm	283mm	283mm	283mm
Chainstay Length	430mm	430mm	430mm	430mm	430mm
Chainstay Length Horizontal	424.6mm	424.6mm	424.6mm	424.6mm	424.6mm
Front-Center	603.3mm	605.2mm	611.2mm	627.1mm	634.1mm
Front-Center Horizontal	599.4mm	601.4mm	607.4mm	623.4mm	630.4mm
Wheelbase	1024mm	1026mm	1032mm	1048mm	1055mm
Fork Offset/Rake	50mm	49.8mm	49.4mm	50mm	48.6mm
Trail	74.5mm high	68.2mm high	65.4mm high	64.7mm mid/neutral	62.9mm mid/neutral
Mechanical Trail	70mm	64.5mm	62mm	61.4mm	59.8mm
Wheel Flop	23.9mm	21mm	19.7mm	19.5mm	18.5mm
Tire to Pedal Spindle	82.3mm 170 mm cranks	84.2mm 170 mm cranks	90.2mm 170 mm cranks	106.1mm 170 mm cranks	113.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	113mm 170 mm cranks	113mm 170 mm cranks	113mm 170 mm cranks	113mm 170 mm cranks	113mm 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.cyclocross-store.de/index.php?page=product&info=1296

Geometry