Somewhat aggressive stack and reachvs category

Average stack and reachvs category

Somewhat aggressive stack and reachvs category

	470mm (XS)	490mm (S)	510mm (M)	530mm (L)	550mm (XL)	580mm (XXL)
Stack	523mm	553mm	581mm	600mm	619mm	638mm
Reach	380mm	379mm	381mm	391mm	407mm	415mm
Stack to Reach Ratio	1.38:1	1.46:1	1.52:1	1.53:1	1.52:1	1.54:1
Seat Tube Length, C-T	470mm	490mm	510mm	530mm	550mm	580mm
Top Tube Length, Effective/Horizontal Center	530mm	538mm	551mm	579mm	599mm	619mm
Top Tube Slope	8deg	9.1deg	9.9deg	9.7deg	9.3deg	8.2deg
Head Tube Angle	70.5deg	71deg	71.5deg	71.5deg	72deg	72deg
Seat Tube Angle	74deg	74deg	73.8deg	72.6deg	72.8deg	72.3deg
Head Tube Length	100mm	130mm	160mm	180mm	200mm	220mm
Bottom Bracket Drop	77mm	77mm	75mm	75mm	73mm	73mm
Bottom Bracket Height	279mm	279mm	281mm	281mm	283mm	283mm
Wheelbase Max	1004mm	1009mm	1016mm	1033mm	1051mm	1065mm
Trail	— —	— —	— —	— —	— —	— —
Mechanical Trail	—	—	—	—	—	—
Wheel Flop	—	—	—	—	—	—
Pedal Spindle to Ground Clearance	114mm 165 mm cranks	114mm 165 mm cranks	111mm 170 mm cranks	108.5mm 172.5 mm cranks	110.5mm 172.5 mm cranks	108mm 175 mm cranks

	470mm (XS)	490mm (S)	510mm (M)	530mm (L)	550mm (XL)	580mm (XXL)
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	45mm	45mm	45mm	45mm	45mm	45mm
Tire Width Max	47mm	47mm	47mm	47mm	47mm	47mm
Tire Outer Diameter	712mm	712mm	712mm	712mm	712mm	712mm
Crank Length	165mm	165mm	170mm	172.5mm	172.5mm	175mm
Handlebar Width	410mm	410mm	410mm	430mm	430mm	430mm
Stem Length	70mm	70mm	80mm	80mm	100mm	100mm

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 Superior Bikes XR 9.3 GRA

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