	XS (49 cm) 28"	S (52 cm) 28"	M (54 cm) 28"	L (56 cm) 28"	XL (58 cm) 28"	XXL (61 cm) 28"
Stack	538mm	555mm	572mm	588mm	612mm	636mm
Reach	362mm	370mm	373mm	384mm	390mm	402mm
Stack to Reach Ratio	1.49:1	1.5:1	1.53:1	1.53:1	1.57:1	1.58:1
Seat Tube Length, Unknown	445mm	475mm	500mm	520mm	545mm	575mm
Top Tube Length, Effective/Horizontal HT Top	512mm	529mm	543mm	558mm	571mm	590mm
Top Tube Slope	12.8deg	11.1deg	10.2deg	9.6deg	9.3deg	8.5deg
Head Tube Angle	70deg	70.7deg	71.4deg	72deg	72deg	72deg
Seat Tube Angle	74.5deg	74deg	73.5deg	73.5deg	73.5deg	73.5deg
Head Tube Length	120mm	135mm	150mm	165mm	190mm	215mm
Bottom Bracket Drop	77mm	77mm	77mm	77mm	77mm	77mm
Bottom Bracket Height	274mm	274mm	274mm	274mm	274mm	274mm
Chainstay Length	420mm	420mm	420mm	420mm	420mm	420mm
Chainstay Length Horizontal	412.9mm	412.9mm	412.9mm	412.9mm	412.9mm	412.9mm
Front-Center	586.2mm	592.2mm	593.1mm	604.1mm	616.9mm	636.8mm
Front-Center Horizontal	581.1mm	587.1mm	588.1mm	599.1mm	612.1mm	632.1mm
Wheelbase	994mm	1000mm	1001mm	1012mm	1025mm	1045mm
Fork Offset/Rake	48.2mm	46.9mm	46mm	46.7mm	45.9mm	46.1mm
Trail	76.4mm high	73.2mm high	69.6mm high	65mm mid/neutral	65.8mm high	65.6mm high
Mechanical Trail	71.8mm	69.1mm	66mm	61.8mm	62.5mm	62.4mm
Wheel Flop	24.6mm	22.8mm	21mm	19.1mm	19.3mm	19.3mm
Standover Height	716mm	742mm	762mm	782mm	805mm	834mm
Tire to Pedal Spindle	70.2mm 165 mm cranks	71.2mm 170 mm cranks	69.6mm 172.5 mm cranks	235.6mm 17.5 mm cranks	90.9mm 175 mm cranks	110.8mm 175 mm cranks
Pedal Spindle to Ground Clearance	109mm 165 mm cranks	104mm 170 mm cranks	101.5mm 172.5 mm cranks	256.5mm 17.5 mm cranks	99mm 175 mm cranks	99mm 175 mm cranks

	XS (49 cm) 28"	S (52 cm) 28"	M (54 cm) 28"	L (56 cm) 28"	XL (58 cm) 28"	XXL (61 cm) 28"
Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	40mm	40mm	40mm	40mm	40mm	40mm
Tire Width Max	45mm	45mm	45mm	45mm	45mm	45mm
Tire Outer Diameter	702mm	702mm	702mm	702mm	702mm	702mm
Bike Length with Tires	1696mm	1702mm	1703mm	1714mm	1727mm	1747mm
Crank Length	165mm	170mm	172.5mm	17.5mm	175mm	175mm
Handlebar Width	380mm	400mm	420mm	420mm	440mm	440mm
Stem Length	60mm	70mm	80mm	90mm	100mm	110mm

Published Sizing Recommendations

Height

152 cm

159 cm

170 cm

176 cm

183 cm

188 cm

197 cm

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

2026 Kross Alta 2.0