2016 Norco Bicycles Ithaqua 6.3

	S	M	L	XL
Stack	613mm	622mm	632mm	641mm
Reach	406mm	424mm	441mm	458mm
Stack to Reach Ratio	1.51:1	1.47:1	1.43:1	1.4:1
Seat Tube Length, C-T	380mm	430mm	480mm	530mm
Top Tube Length, Effective/Horizontal Unknown	590mm	615mm	640mm	665mm
Top Tube Slope	25.8deg	21deg	16.6deg	12.4deg
Head Tube Angle	69deg	69deg	69deg	69deg
Seat Tube Angle	73.3deg	72.9deg	72.5deg	72.1deg
Head Tube Length	100mm	110mm	120mm	130mm
Bottom Bracket Drop	60mm	60mm	60mm	60mm
Bottom Bracket Height	333.8mm	333.8mm	333.8mm	333.8mm
Chainstay Length	440mm	443mm	445mm	448mm
Chainstay Length Horizontal	435.9mm	438.9mm	440.9mm	444mm
Front-Center	676mm	697mm	717mm	738mm
Front-Center Horizontal	673.1mm	693.1mm	715.1mm	735mm
Wheelbase	1109mm	1132mm	1156mm	1179mm
Fork Offset/Rake	51.2mm	49.8mm	50.9mm	50.4mm
Fork Length, Unknown	511mm	511mm	511mm	511mm
Trail	96.3mm very high	97.8mm very high	96.7mm very high	97.2mm very high
Mechanical Trail	89.9mm	91.3mm	90.3mm	90.7mm
Wheel Flop	32.2mm	32.7mm	32.3mm	32.5mm
Standover Height	727mm	736mm	745mm	750mm
Tire to Pedal Spindle	112.2mm 170 mm cranks	128.2mm 175 mm cranks	148.2mm 175 mm cranks	169.2mm 175 mm cranks
Pedal Spindle to Ground Clearance	163.8mm 170 mm cranks	158.8mm 175 mm cranks	158.8mm 175 mm cranks	158.8mm 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/bike-archives/2016/ithaqua-63/

Geometry