2018 Trek Bikes X-Caliber 7 Women's

	XS	S	M	ML
Stack	565mm	574mm	598mm	598mm
Reach	376mm	385mm	418mm	434mm
Stack to Reach Ratio	1.5:1	1.49:1	1.43:1	1.38:1
Seat Tube Length, Effective Unknown	343mm	368mm	419mm	444mm
Top Tube Length, Effective/Horizontal Center	543mm	555mm	595mm	611mm
Head Tube Angle	69.3deg	69.3deg	69.5deg	69.5deg
Seat Tube Angle	73.5deg	73.5deg	73.5deg	73.5deg
Effective Seat Tube Angle, Unknown	73deg	71.7deg	72deg	72deg
Head Tube Length	90mm	90mm	90mm	90mm
Bottom Bracket Drop	58mm	58mm	58mm	58mm
Bottom Bracket Height	289.9mm	289.9mm	308.9mm	308.9mm
Chainstay Length	425mm	425mm	438mm	438mm
Chainstay Length Horizontal	421mm	421mm	434.1mm	434.1mm
Front-Center	617.7mm	634.6mm	674.4mm	689.3mm
Front-Center Horizontal	615mm	632mm	671.9mm	686.9mm
Wheelbase	1036mm	1053mm	1106mm	1121mm
Fork Offset/Rake	44mm	44mm	51mm	51mm
Trail	84.4mm very high	84.4mm very high	82.7mm very high	82.7mm very high
Mechanical Trail	79mm	79mm	77.5mm	77.5mm
Wheel Flop	27.9mm	27.9mm	27.1mm	27.1mm
Standover Height	708mm	728mm	743mm	737mm
Tire to Pedal Spindle	99.8mm 170 mm cranks	116.8mm 170 mm cranks	137.5mm 170 mm cranks	152.4mm 170 mm cranks
Pedal Spindle to Ground Clearance	119.9mm 170 mm cranks	119.9mm 170 mm cranks	138.9mm 170 mm cranks	138.9mm 170 mm cranks

Published Sizing Recommendations

Height	145 cm to 155 cm	155 cm to 165 cm	165 cm to 176 cm	173 cm to 180 cm
PBH	69 in to 73 in	74 in to 78 in	79 in to 83 in	81 in to 86 in

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.

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Source:https://www.trekbikes.com/us/en_US/bikes/mountain-bikes/cross-country-mountain-bikes/x-caliber/x-caliber-7-womens/p/21683/