Which size or configuration labels have geometry for the 2018 Norco Threshold A?

Geometry is listed for 45.5, 48, 50.5, 53, 55.5, 58, and 60.5.

What are the reach and stack of the 2018 Norco Threshold A in size 53?

In size 53, reach is 379 mm and stack is 553 mm.

What is the head tube angle of the 2018 Norco Threshold A?

The head tube angle is 71.25 degrees in size 53.

What does the 2018 Norco Threshold A Apex 1 ship with?

The stock build includes SRAM Apex 1 Hydraulic Disc Brake/11s, Schwalbe Rapid Rob 700x35c, SRAM Rival 1 Hydraulic Disc, and Norco Flare - Black.

Which years of the Norco Threshold are on Quiver?

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

2018

2018 Norco Threshold A

Reach 368 to 404 mm, stack 512 to 608 mm. The Threshold A Apex 1 build comes with SRAM Apex 1 shifting and Schwalbe Rapid Rob 700x35c tires.

Compare geometry

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

Key facts

Brand: Norco
Model: Threshold
Model year: 2018
Frame: A
Geometry labels: 45.5, 48, 50.5, 53, 55.5, 58, and 60.5
Drivetrain: SRAM Apex 1
Geometry: Complete for every size
Source: norco.com
Checked: Oct 24, 2026

Geometry by size

Geometry drawing, size 53, to scale.

2018 Norco Threshold A geometry by size
Measurement	45.5	48	50.5	53	55.5	58	60.5
Reach(mm)	368	370	374	379	386	395	404
Stack(mm)	512	523	537	553	570	588	608
Head tube angle(°)	69.5	70	70.5	71.25	72	72.25	72.5
Seat tube angle(°)	75.5	75	74.5	74	73.5	73.25	73
Effective top tube(mm)	500	510	522.5	537.5	555	572.5	590
Chainstay length(mm)	420	420	420	422.5	422.5	425	425
Wheelbase(mm)	1001	1003	1007	1010	1016	1032	1044
BB height(mm)	275	275	275	275	275	276.5	276.5
Standover(mm)	733	749	767	785	804	826	847
Seat tube length(mm)	455	480	505	530	555	580	605
Head tube length(mm)	95	105	117.5	130	145	165	185

How to read a geometry chart

Stock build

11 parts

Drivetrain

SRAM Apex 1 Hydraulic Disc Brake/11s

Shifter

SRAM Apex 1

Derailleur

SRAM PG1130 11-36T

Cassette

SRAM PC1110

Chain

SRAM Apex 1 40T - Black

Crankset

SRAM GXP XR

Bottom bracket

Wheels & Tires

Schwalbe Rapid Rob 700x35c

Tire

WTB STp i19 - Black

Rim

Brakes

SRAM Rival 1 Hydraulic Disc

Brake

Cockpit

Norco Flare - Black

Handlebar

Norco Super Griptacular w/Gel - Black

Grips

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Quick answers

Which size or configuration labels have geometry for the 2018 Norco Threshold A?: Geometry is listed for 45.5, 48, 50.5, 53, 55.5, 58, and 60.5.
What are the reach and stack of the 2018 Norco Threshold A in size 53?: In size 53, reach is 379 mm and stack is 553 mm.
What is the head tube angle of the 2018 Norco Threshold A?: The head tube angle is 71.25 degrees in size 53.
What does the 2018 Norco Threshold A Apex 1 ship with?: The stock build includes SRAM Apex 1 Hydraulic Disc Brake/11s, Schwalbe Rapid Rob 700x35c, SRAM Rival 1 Hydraulic Disc, and Norco Flare - Black.
Which years of the Norco Threshold are on Quiver?: Quiver has the Norco Threshold for 2018, 2021, 2020, 2019, 2017, and 2015.