Quiver

Norco2021

2021 Norco Threshold A1

Reach 370 to 404 mm, stack 523 to 608 mm. The Threshold A1 build comes with Shimano GRX RX812 shifting.

Source: norco.com. Checked .

Key facts

Brand
Norco
Model year
2021
Frame
A1
Geometry
Complete for every size
Source
norco.com
Checked

Geometry by size

2021 Norco Threshold A1 geometry drawing, size 53Side view of the 2021 Norco Threshold A1 frame in size 53, drawn to scale from its published geometry, with lettered dimension lines.J 1010A 379mmB 553mmJ 1010mmH 423mmC 538mmD 71.3°E 74.0°F 130mmG 530mmN 275mmL 746mm
Geometry drawing, size 53, to scale.
2021 Norco Threshold A1 geometry by size
Measurement4850.55355.55860.5
Reach(mm)370374379386395404
Stack(mm)523537553570588608
Head tube angle(°)70.0070.5071.2572.0072.2572.50
Seat tube angle(°)75.0074.5074.0073.5073.2573.00
Effective top tube(mm)510.0522.5537.5555.0572.5590.0
Chainstay length(mm)420.0420.0422.5422.5425.0425.0
Wheelbase(mm)100310071010101610321044
BB height(mm)275.0275.0275.0275.0276.5276.5
Standover(mm)701724746769794817
Seat tube length(mm)480505530555580605
Head tube length(mm)105.0117.5130.0145.0165185.0

Stock build

10 parts

Drivetrain

ShifterFrom the manufacturer: Speeds 11
Shimano GRX RX812
DerailleurFrom the manufacturer: Clutch Shadow RD+
ChainSpeeds 11From the manufacturer: Links 118
Bottom bracket

Wheels & Tires

Brakes

Cockpit

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Quick answers

Which size or configuration labels have geometry for the 2021 Norco Threshold A1?
Geometry is listed for 48, 50.5, 53, 55.5, 58, and 60.5.
What are the reach and stack of the 2021 Norco Threshold A1 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 2021 Norco Threshold A1?
The head tube angle is 72.00 degrees in size 55.5.
What does the 2021 Norco Threshold A1 ship with?
The stock build includes Shimano GRX RX600, WTB ST i21 TCS 2.0 - Black, Shimano GRX RX600 Hydraulic, and Norco Flare Aluminum.
Which years of the Norco Threshold are on Quiver?
Quiver has the Norco Threshold for 2021, 2020, 2019, 2018, 2017, and 2015.

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