2019 Norco Bicycles Storm 9.1

	S	M	L	XL
Stack	644mm	654mm	664mm	675mm
Reach	383mm	405mm	426mm	447mm
Stack to Reach Ratio	1.68:1	1.61:1	1.56:1	1.51:1
Seat Tube Length, C-T	430mm	470mm	510mm	550mm
Top Tube Length, Effective/Horizontal HT Top	582mm	612mm	642mm	672mm
Top Tube Slope	24.6deg	20.6deg	17.1deg	13.9deg
Head Tube Angle	69.3deg	69.5deg	69.8deg	70deg
Seat Tube Angle	72.8deg	72.4deg	72deg	71.6deg
Head Tube Length	115mm	130mm	140mm	150mm
Bottom Bracket Drop	69.1mm	65.7mm	61.8mm	62.2mm
Bottom Bracket Height	299mm	302.5mm	306.3mm	306mm
Chainstay Length	450mm	450mm	450mm	450mm
Chainstay Length Horizontal	444.7mm	445.2mm	445.7mm	445.7mm
Front-Center	654mm	678mm	700mm	722mm
Front-Center Horizontal	650.3mm	674.8mm	697.3mm	719.3mm
Wheelbase	1095mm	1120mm	1143mm	1165mm
Fork Offset/Rake	46.9mm	46.7mm	46.7mm	46.3mm
Fork Length (On-Axis)	515mm	515mm	515mm	515mm
Trail	89mm very high	87.8mm very high	85.8mm very high	84.7mm very high
Mechanical Trail	83.3mm	82.3mm	80.5mm	79.6mm
Wheel Flop	29.4mm	28.8mm	27.8mm	27.2mm
Standover Height	746mm	792mm	798mm	809mm
Tire to Pedal Spindle	115.9mm 170 mm cranks	134.9mm 175 mm cranks	156.9mm 175 mm cranks	178.9mm 175 mm cranks
Pedal Spindle to Ground Clearance	129mm 170 mm cranks	127.5mm 175 mm cranks	131.3mm 175 mm cranks	131mm 175 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.norco.com/bikes/2019/mountain/cross-country/storm-aluminum/storm-1/

Geometry