2014 Norco Bicycles Threshold A1

	48	51	54	57	60
Stack	541mm	552mm	571mm	589mm	610mm
Reach	370mm	374mm	381mm	390mm	398mm
Stack to Reach Ratio	1.46:1	1.48:1	1.5:1	1.51:1	1.53:1
Seat Tube Length, C-T	480mm	510mm	540mm	570mm	600mm
Top Tube Length, Effective/Horizontal Unknown	515mm	532.5mm	550mm	570mm	590mm
Top Tube Slope	8.9deg	6.8deg	5.7deg	4.5deg	3.7deg
Head Tube Angle	70.5deg	71deg	71.5deg	72deg	72.5deg
Seat Tube Angle	75deg	74deg	73.5deg	73deg	72.5deg
Head Tube Length	120mm	130mm	150mm	170mm	190mm
Bottom Bracket Drop	70.3mm	70.4mm	70.6mm	67.2mm	67.4mm
Bottom Bracket Height	275.7mm	275.6mm	275.4mm	278.8mm	278.6mm
Chainstay Length	430mm	430mm	430mm	430mm	430mm
Chainstay Length Horizontal	424.2mm	424.2mm	424.2mm	424.7mm	424.7mm
Front-Center	588mm	591mm	600mm	610mm	620mm
Front-Center Horizontal	583.8mm	586.8mm	595.8mm	606.3mm	616.3mm
Wheelbase	1008mm	1011mm	1020mm	1031mm	1041mm
Fork Offset/Rake	72.5mm	72.5mm	72mm	67.5mm	67.5mm
Fork Length, Unknown	390mm	390mm	390mm	390mm	390mm
Trail	45.6mm mid/neutral	42.5mm low	39.9mm low	41.5mm low	38.3mm low
Mechanical Trail	43mm	40.2mm	37.8mm	39.4mm	36.5mm
Wheel Flop	14.4mm	13.1mm	12mm	12.2mm	11mm
Standover Height	750mm	767mm	791mm	816mm	845mm
Tire to Pedal Spindle	72mm 170 mm cranks	75mm 170 mm cranks	84mm 170 mm cranks	94mm 170 mm cranks	104mm 170 mm cranks
Pedal Spindle to Ground Clearance	105.7mm 170 mm cranks	105.6mm 170 mm cranks	105.4mm 170 mm cranks	108.8mm 170 mm cranks	108.6mm 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.norco.com/bike-archives/2014/threshold-a1/

Geometry