2019 Ridley Bikes Noah Ultegra

	XS	S	M	L	XL
Stack	516mm	541mm	565mm	591mm	616mm
Reach	378mm	385mm	393mm	401mm	409mm
Stack to Reach Ratio	1.37:1	1.41:1	1.44:1	1.47:1	1.51:1
Seat Tube Length, C-T	455mm	480mm	505mm	530mm	555mm
Top Tube Length, Effective/Horizontal HT Top	526mm	545mm	565mm	587mm	603mm
Top Tube Slope	8.9deg	8.8deg	8.6deg	8.7deg	8.6deg
Head Tube Angle	72deg	73deg	73.5deg	73.5deg	74deg
Seat Tube Angle	74deg	73.5deg	73deg	72.5deg	72.5deg
Head Tube Length	117mm	140mm	164mm	194mm	218mm
Bottom Bracket Drop	68mm	66mm	66mm	63mm	63mm
Bottom Bracket Height	268mm	270mm	270mm	273mm	273mm
Chainstay Length	405mm	405mm	405mm	408mm	408mm
Chainstay Length Horizontal	399.3mm	399.6mm	399.6mm	403.1mm	403.1mm
Front-Center	579.8mm	581.2mm	591.1mm	607.2mm	617.1mm
Front-Center Horizontal	575.8mm	577.4mm	587.4mm	603.9mm	613.9mm
Wheelbase	975mm	977mm	987mm	1007mm	1017mm
Fork Offset/Rake	49.6mm	45.1mm	44.7mm	44.6mm	44.5mm
Trail	57mm mid/neutral	55.5mm mid/neutral	52.9mm mid/neutral	53mm mid/neutral	50mm mid/neutral
Mechanical Trail	54.2mm	53.1mm	50.7mm	50.9mm	48.1mm
Wheel Flop	16.8mm	15.5mm	14.4mm	14.4mm	13.3mm
Standover Height	754mm	785mm	811mm	838mm	864mm
Tire to Pedal Spindle	73.8mm 170 mm cranks	75.2mm 170 mm cranks	85.1mm 170 mm cranks	101.2mm 170 mm cranks	111.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	98mm 170 mm cranks	100mm 170 mm cranks	100mm 170 mm cranks	103mm 170 mm cranks	103mm 170 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.competitivecyclist.com/ridley-noah-ultegra-road-bike-2019

Geometry