2023 Norco Bicycles Indie 4

	XS	S	M	L	XL
Stack	565mm	584mm	603mm	621mm	640mm
Reach	370mm	395mm	420mm	445mm	470mm
Stack to Reach Ratio	1.53:1	1.48:1	1.44:1	1.4:1	1.36:1
Seat Tube Length, C-T	390mm	430mm	470mm	510mm	550mm
Top Tube Length, Effective/Horizontal HT Top	537mm	568mm	599mm	629mm	660mm
Top Tube Slope	21.7deg	18.4deg	15.4deg	12.6deg	10.2deg
Head Tube Angle	70deg	70deg	70deg	71deg	71deg
Seat Tube Angle	73.5deg	73.5deg	73.5deg	73.5deg	73.5deg
Head Tube Length	140mm	160mm	180mm	200mm	220mm
Bottom Bracket Drop	55mm	55mm	55mm	55mm	55mm
Bottom Bracket Height	290mm	290mm	290mm	290mm	290mm
Chainstay Length	450mm	450mm	450mm	450mm	450mm
Chainstay Length Horizontal	446.6mm	446.6mm	446.6mm	446.6mm	446.6mm
Front-Center	610.9mm	642.7mm	674.6mm	706.5mm	738.4mm
Front-Center Horizontal	608.4mm	640.4mm	672.4mm	704.4mm	736.4mm
Wheelbase	1055mm	1087mm	1119mm	1151mm	1183mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm
Fork Length, Unknown	415mm	415mm	415mm	415mm	415mm
Trail	72.4mm high	72.4mm high	72.4mm high	65.9mm high	65.9mm high
Mechanical Trail	68mm	68mm	68mm	62.3mm	62.3mm
Wheel Flop	23.3mm	23.3mm	23.3mm	20.3mm	20.3mm
Standover Height	588mm	625mm	666mm	702mm	739mm
Tire to Pedal Spindle	95.9mm 170 mm cranks	127.7mm 170 mm cranks	154.6mm 175 mm cranks	186.5mm 175 mm cranks	218.4mm 175 mm cranks
Pedal Spindle to Ground Clearance	120mm 170 mm cranks	120mm 170 mm cranks	115mm 175 mm cranks	115mm 175 mm cranks	115mm 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/city/urban/indie/2023-indie-4/

Geometry