Which size or configuration labels have geometry for the 2021 Canyon Sender CFR Underdog?

Geometry is listed for S, M, L, and XL.

What are the reach and stack of the 2021 Canyon Sender CFR Underdog in size L?

In size L, reach is 495 mm and stack is 635 mm.

What is the head tube angle of the 2021 Canyon Sender CFR Underdog?

The head tube angle is 63 degrees in every size.

What does the 2021 Canyon Sender CFR Underdog ship with?

The stock build includes Canyon Sender, Fox 40 Factory, SRAM GX DH, and DT Swiss F 1900.

Which years of the Canyon Sender are on Quiver?

Quiver has the Canyon Sender for 2021, 2027, 2026, 2025, and 2024.

2021

2021 Canyon Sender CFR Underdog

Downhill

The 2021 Canyon Sender CFR Underdog sits at the aggressive end of the range for a downhill bike, with a slacker head angle and a shorter rear center. Reach 443 to 518 mm, stack 626 to 639 mm. The Sender CFR Underdog build comes with SRAM GX DH shifting and DT Swiss F 1900 wheels.

Compare with 180+ dh bikes

Source: canyon.com. Checked Sep 5, 2026.

Key facts

Brand: Canyon
Model: Sender
Model year: 2021
Frame: CFR Underdog
Type: Downhill
Geometry labels: S, M, L, and XL
Drivetrain: SRAM GX DH
Fork: Fox 40 Factory
Rear shock: Fox DHX2 Performance
Wheels: DT Swiss F 1900
Geometry: Complete for every size
Source: canyon.com
Checked: Sep 5, 2026

Geometry by size

2021 Canyon Sender CFR Underdog geometry by size
Measurement	S	M	L	XL
Reach(mm)	443	468	495	518
Stack(mm)	626	630	635	639
Head tube angle(°)	63	63	63	63
Chainstay length(mm)	438	438	438	438
Wheelbase(mm)	1246	1273	1303	1328
Standover(mm)	753	756	754	759
Seat tube length(mm)	400	400	420	440

How to read a geometry chart

Stock build

20 parts

Frame

Canyon Sender

FrameFrame type Full SuspensionCategory DownhillWeight 4614 g

Suspension

Fox 40 Factory

ForkWheel size 29

Fox DHX2 Performance

Rear shockSpring type AirExternal adjustments coil

Drivetrain

SRAM GX DH

Derailleur

SRAM GX DH

CassetteFreehub body n/a

SRAM PC 1110

Chain

SRAM Descendant DH

Crankset

SRAM 36

ChainringTeeth 36 tSpeeds 1

SRAM DUB BSA

Bottom bracketShell standard BSA (Threaded)Spindle interface DUBWeight 76 g

Wheels & Tires

DT Swiss F 1900

WheelsetRim material Aluminum

Maxxis Assegai

TireTPI 60 TPITubeless ready Yes

Maxxis Minion DHR II DD

TireTPI 60 TPITubeless ready Yes

Brakes

SRAM Maven Bronze

BrakeLever adjustments Tool-free Reach

SRAM CenterLine

RotorDiameter 200mmWeight 192 g

SRAM CenterLine

RotorDiameter 200mmWeight 192 g

Cockpit

Canyon G5

HandlebarClamp diameter 31.8mmWidth 800mmMaterial Aluminum

Canyon G5

StemSteerer diameter 1 1/8"Material Aluminum

Ergon GDH

Grips

Seatpost & Saddle

Canyon G5

SeatpostWeight 534 g

Ergon SMD20

Saddle

Keep your Sender CFR Underdog in Quiver

Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.

Free on App Store Free on Google PlayFree for your first bike, on iPhone and Android.

Already have Quiver? Open this build

Sources agreeManufacturer

Keep the factory build and your current parts distinct

Quick answers

Which size or configuration labels have geometry for the 2021 Canyon Sender CFR Underdog?: Geometry is listed for S, M, L, and XL.
What are the reach and stack of the 2021 Canyon Sender CFR Underdog in size L?: In size L, reach is 495 mm and stack is 635 mm.
What is the head tube angle of the 2021 Canyon Sender CFR Underdog?: The head tube angle is 63 degrees in every size.
What does the 2021 Canyon Sender CFR Underdog ship with?: The stock build includes Canyon Sender, Fox 40 Factory, SRAM GX DH, and DT Swiss F 1900.
Which years of the Canyon Sender are on Quiver?: Quiver has the Canyon Sender for 2021, 2027, 2026, 2025, and 2024.