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

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

What are the reach and stack of the 2018 Norco Threshold C eTap 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 2018 Norco Threshold C eTap?

The head tube angle is 72 degrees in size 55.5.

What does the 2018 Norco Threshold C Red eTap ship with?

The stock build includes SRAM Red eTap Hydraulic Disc Brake, Easton EC90 SL Disc - Tubular, SRAM Red hydraulic disc, and Easton EC90 SLX.

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 C eTap

Reach 370 to 404 mm, stack 523 to 608 mm. The Threshold C Red eTap build comes with SRAM Red eTap Mid-Cage shifting.

Compare geometry

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

Key facts

Brand: Norco
Model: Threshold
Model year: 2018
Frame: C eTap
Geometry labels: 48, 50.5, 53, 55.5, 58, and 60.5
Drivetrain: SRAM Red eTap Mid-Cage
Geometry: Complete for every size
Source: norco.com
Checked: Oct 24, 2026

Geometry by size

Geometry drawing, size 53, to scale.

2018 Norco Threshold C eTap 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)	420	420	422.5	422.5	425	425
Wheelbase(mm)	1003	1007	1010	1016	1032	1044
BB height(mm)	275	275	275	275	276.5	276.5
Standover(mm)	744	760	781	803	824	842
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

11 parts

Drivetrain

SRAM Red eTap Hydraulic Disc Brake

Shifter

SRAM Red eTap Mid-Cage

Derailleur

SRAM XG-1190 11speed 11-32T

Cassette

SRAM PC-1170

Chain

Quarq Prime Carbon 40T - Power Ready

Crankset

Wheels & Tires

Easton EC90 SL Disc - Tubular

Rim

Brakes

SRAM Red hydraulic disc

Brake

Cockpit

Easton EC90 SLX

Handlebar

Easton EA90

Stem

Norco Super Griptacular w/Si Gel - Black

Grips

Seatpost & Saddle

Norco SLR Composite

Seatpost

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Quick answers

Which size or configuration labels have geometry for the 2018 Norco Threshold C eTap?: Geometry is listed for 48, 50.5, 53, 55.5, 58, and 60.5.
What are the reach and stack of the 2018 Norco Threshold C eTap 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 2018 Norco Threshold C eTap?: The head tube angle is 72 degrees in size 55.5.
What does the 2018 Norco Threshold C Red eTap ship with?: The stock build includes SRAM Red eTap Hydraulic Disc Brake, Easton EC90 SL Disc - Tubular, SRAM Red hydraulic disc, and Easton EC90 SLX.
Which years of the Norco Threshold are on Quiver?: Quiver has the Norco Threshold for 2018, 2021, 2020, 2019, 2017, and 2015.