2019 Superior Bikes X-Road Issue Base

	52CM(S)	54CM(M)	56CM(L)	58CM(XL)
Stack	552mm	564mm	601mm	610mm
Reach	370mm	373mm	386mm	403mm
Stack to Reach Ratio	1.49:1	1.51:1	1.56:1	1.51:1
Seat Tube Length, C-T	490mm	510mm	530mm	550mm
Top Tube Length, Effective/Horizontal Center	530mm	540mm	570mm	590mm
Top Tube Slope	9.1deg	8.2deg	9.9deg	8.5deg
Head Tube Angle	71.5deg	72deg	73deg	73deg
Seat Tube Angle	73.8deg	73.5deg	73deg	73deg
Head Tube Length	135mm	145mm	180mm	190mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm
Bottom Bracket Height	276mm	276mm	276mm	276mm
Chainstay Length	415mm	415mm	415mm	415mm
Chainstay Length Horizontal	409.1mm	409.1mm	409.1mm	409.1mm
Front-Center	582.2mm	584.2mm	599.1mm	618.9mm
Front-Center Horizontal	578mm	580mm	595mm	615mm
Wheelbase	987mm	989mm	1004mm	1024mm
Fork Offset/Rake	44.3mm	44.2mm	44.6mm	44.8mm
Trail	69.1mm high	66mm high	59.2mm mid/neutral	58.9mm mid/neutral
Mechanical Trail	65.5mm	62.8mm	56.6mm	56.4mm
Wheel Flop	20.8mm	19.4mm	16.6mm	16.5mm
Tire to Pedal Spindle	63.7mm 172.5 mm cranks	63.2mm 175 mm cranks	78.1mm 175 mm cranks	97.9mm 175 mm cranks
Pedal Spindle to Ground Clearance	103.5mm 172.5 mm cranks	101mm 175 mm cranks	101mm 175 mm cranks	101mm 175 mm cranks

Published Sizing Recommendations

Height

165 cm

174 cm

170 cm

180 cm

177 cm

185 cm

186 cm

199 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

Source:https://superiorbikes.eu/hr/2019/x-road/x-road-issue/matte-black-dark-grey