2025 Ridley Bikes Noah Fast Disc Base

	XXS	XS	S	M	L
Stack	497mm	504mm	521mm	541mm	565mm
Reach	386mm	399mm	410mm	420mm	428mm
Stack to Reach Ratio	1.29:1	1.26:1	1.27:1	1.29:1	1.32:1
Seat Tube Length, C-T	480mm	485mm	510mm	540mm	560mm
Top Tube Length, Effective/Horizontal Center	505mm	525mm	545mm	565mm	585mm
Top Tube Slope	3.5deg	3.7deg	2.9deg	2deg	2.5deg
Head Tube Angle	71.5deg	72deg	73deg	73.5deg	73.5deg
Seat Tube Angle	76.5deg	76deg	75.5deg	75deg	74.5deg
Head Tube Length	95mm	100mm	115mm	135mm	160mm
Bottom Bracket Drop	72mm	72mm	70mm	70mm	70mm
Bottom Bracket Height	264mm	264mm	266mm	266mm	266mm
Chainstay Length	407mm	407mm	407mm	407mm	407mm
Chainstay Length Horizontal	400.6mm	400.6mm	400.9mm	400.9mm	400.9mm
Front-Center	584.9mm	596.8mm	599.2mm	610.1mm	626mm
Front-Center Horizontal	580.4mm	592.4mm	595.1mm	606.1mm	622.1mm
Wheelbase	981mm	993mm	996mm	1007mm	1023mm
Fork Offset/Rake	49.5mm	50.5mm	45.1mm	44.6mm	45.5mm
Trail	60.2mm mid/neutral	56.1mm mid/neutral	55.6mm mid/neutral	53mm mid/neutral	52.1mm mid/neutral
Mechanical Trail	57.1mm	53.4mm	53.1mm	50.8mm	49.9mm
Wheel Flop	18.1mm	16.5mm	15.5mm	14.4mm	14.2mm
Standover Height	768mm	775mm	794mm	814mm	838mm
Tire to Pedal Spindle	78.9mm 170 mm cranks	90.8mm 170 mm cranks	93.2mm 170 mm cranks	104.1mm 170 mm cranks	120mm 170 mm cranks
Pedal Spindle to Ground Clearance	94mm 170 mm cranks	94mm 170 mm cranks	96mm 170 mm cranks	96mm 170 mm cranks	96mm 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.ridley-bikes.com/de_DE/bikes/SBINF3RID076

Geometry