Which size or configuration labels have geometry for the 2019 Norco Threshold Aluminum Single Speed?

Geometry is listed for 48, 50.5, 53, 55.5, 58, and 60.5.

What are the reach and stack of the 2019 Norco Threshold Aluminum Single Speed in size 55.5?

In size 55.5, reach is 386 mm and stack is 570 mm.

What is the head tube angle of the 2019 Norco Threshold Aluminum Single Speed?

The head tube angle is 72 degrees in size 55.5.

What does the 2019 Norco Threshold Aluminum Single Speed ship with?

The stock build includes Norco Threshold Carbon Fork, KMC Z1eHX, WTB SpeedDisc i19, and TRP Hylex.

Which years of the Norco Threshold are on Quiver?

Quiver has the Norco Threshold for 2019, 2021, 2020, 2018, 2017, and 2015.

2019

2019 Norco Threshold Aluminum Single Speed

Reach 370 to 404 mm, stack 523 to 608 mm.

Compare geometry

Source: norco.com. Checked Oct 24, 2026.

Key facts

Brand: Norco
Model: Threshold
Model year: 2019
Frame: Aluminum Single Speed
Geometry labels: 48, 50.5, 53, 55.5, 58, and 60.5
Fork: Norco Threshold Carbon Fork
Geometry: Complete for every size
Source: norco.com
Checked: Oct 24, 2026

Geometry by size

Geometry drawing, size 53, to scale.

2019 Norco Threshold Aluminum Single Speed geometry by size
Measurement	48	50.5	53	55.5	58	60.5
Reach(mm)	370	374	379	386	395	404
Stack(mm)	523	537	553	570	588	608
Head tube angle(°)	70	70.5	71.25	72	72.25	72.5
Seat tube angle(°)	75	74.5	74	73.5	73.25	73
Effective top tube(mm)	510	522.5	537.5	555	572.5	590
Chainstay length(mm)	427	427	429.5	429.5	432	432
Wheelbase(mm)	1010	1014	1017	1023	1039	1051
BB height(mm)	275	275	275	275	276.5	276.5
Standover(mm)	749	767	785	804	826	847
Seat tube length(mm)	480	505	530	555	580	605
Head tube length(mm)	105	117.5	130	145	165	185

How to read a geometry chart

Stock build

10 parts

Suspension

Norco Threshold Carbon Fork

Fork

Drivetrain

KMC Z1eHX

Chain

Praxis Alba M24

Crankset

Praxis M24 BB

Bottom bracket

Wheels & Tires

WTB SpeedDisc i19

Rim

Brakes

TRP Hylex

Brake

Cockpit

Norco Flare - Black

Handlebar

Norco Super Griptacular

Bar tape

FSA Orbit No. 42/ACB - All Black

Headset

Seatpost & Saddle

Norco Race w/Chromo Rails - Black

Saddle

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Quick answers

Which size or configuration labels have geometry for the 2019 Norco Threshold Aluminum Single Speed?: Geometry is listed for 48, 50.5, 53, 55.5, 58, and 60.5.
What are the reach and stack of the 2019 Norco Threshold Aluminum Single Speed in size 55.5?: In size 55.5, reach is 386 mm and stack is 570 mm.
What is the head tube angle of the 2019 Norco Threshold Aluminum Single Speed?: The head tube angle is 72 degrees in size 55.5.
What does the 2019 Norco Threshold Aluminum Single Speed ship with?: The stock build includes Norco Threshold Carbon Fork, KMC Z1eHX, WTB SpeedDisc i19, and TRP Hylex.
Which years of the Norco Threshold are on Quiver?: Quiver has the Norco Threshold for 2019, 2021, 2020, 2018, 2017, and 2015.