Quiver

Giant2021

2021 Giant Reign Advanced Pro

Enduro

The 2021 Giant Reign Advanced Pro sits more aggressive than most enduro bikes. Reach 423 to 511 mm, stack 622 to 640 mm. The Reign Advanced Pro 0 build comes with Shimano XTR M9100 shifting and Giant TRX 0 wheels.

Source: giant-bicycles.com. Checked .

Key facts

Brand
Giant
Model
Reign
Model year
2021
Frame
Advanced Pro
Type
Enduro
Geometry labels
S, M, L, and XL
Drivetrain
Varies by build
Rear shock
Varies by build
Geometry
Complete for every size
Source
giant-bicycles.com
Checked

Geometry by size

2021 Giant Reign Advanced Pro geometry drawing, size MSide view of the 2021 Giant Reign Advanced Pro frame in size M, drawn to scale from its published geometry, with lettered dimension lines.J 1220A 451mmB 622mmJ 1220mmH 439mmK 27mmC 601mmD 64.6°E 76.4°F 100mmG 431mmL 759mm
Geometry drawing, size M, to scale.
2021 Giant Reign Advanced Pro geometry by size
MeasurementSMLXL
Reach(mm)423451488511
Stack(mm)622622631640
Head tube angle(°)64.664.664.664.6
Seat tube angle(°)76.476.476.476.4
Effective top tube(mm)574 (from the manufacturer)601 (from the manufacturer)640 (from the manufacturer)666 (from the manufacturer)
Chainstay length(mm)439439439439
Wheelbase(mm)1191122012621289
BB drop(mm)27272727
Standover(mm)757 (from the manufacturer)759 (from the manufacturer)781 (from the manufacturer)804 (from the manufacturer)
Seat tube length(mm)431 (from the manufacturer)431 (from the manufacturer)464 (from the manufacturer)496 (from the manufacturer)
Head tube length(mm)100 (from the manufacturer)100 (from the manufacturer)110 (from the manufacturer)120 (from the manufacturer)
Sources agreeManufacturer

Stock build

Reign Advanced Pro 017 parts

Frame

FrameFrom the manufacturer: Rear triangle material Carbon

Suspension

Fox 38 Factory
ForkFrom the manufacturer: Wheel size 29Steerer diameter 1.5" taperedFrom the manufacturer: Brake mount 200 direct Post Mount, up to 230 compatibleFrom the manufacturer: Stanchion diameter 38mmFrom the manufacturer: Spring type FLOAT EVOL GlideCore
Fox DHX2 Factory
Rear shockFrom the manufacturer: Spring type CoilFrom the manufacturer: External adjustments 2pos-Adj / HSC-LSC-HSR-LSR

Drivetrain

Shimano XTR M9100
ShifterFrom the manufacturer: Actuation type Mechanical
DerailleurFrom the manufacturer: Cassette compatibility shimanoFrom the manufacturer: Clutch
CassetteSpeeds 12Freehub body Shimano Micro Spline
Shimano XTR M9100
CranksetFrom the manufacturer: Speeds 12

Wheels & Tires

Giant TRX 0
WheelsetFrom the manufacturer: Internal rim width 30mmFrom the manufacturer: Rim material CarbonFrom the manufacturer: Tubeless ready
TireFrom the manufacturer: TPI 60 TPIFrom the manufacturer: Tubeless ready Yes
Maxxis Minion DHR II DD
TireFrom the manufacturer: TPI 60 TPIFrom the manufacturer: Tubeless ready Yes

Brakes

BrakePiston count 4From the manufacturer: Fluid type Mineral

Cockpit

HandlebarFrom the manufacturer: Clamp diameter 31.8mmFrom the manufacturer: Width 800mm
StemBar clamp diameter 35mm

Seatpost & Saddle

Fox Transfer Factory
Seatpost
SaddleWidth 138mmRail material alloy SSTWeight 245 gLength 277mmBase / shell nylon/glass fibre composite

Keep your Reign Advanced Pro 0 in Quiver

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

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Reign Advanced Pro 114 parts

Frame

Giant ALUXX SL carbon
FrameFrom the manufacturer: Frame type Full SuspensionFrom the manufacturer: Rear travel 146mm

Suspension

Fox 38 Factory
ForkFrom the manufacturer: Wheel size 29Steerer diameter 1.5" taperedFrom the manufacturer: Brake mount 200 direct Post Mount, up to 230 compatibleFrom the manufacturer: Stanchion diameter 38mmFrom the manufacturer: Spring type FLOAT EVOL GlideCore
Rear shockFrom the manufacturer: Spring type Air

Drivetrain

Shifter
Shimano XT Di2 Wireless
DerailleurFrom the manufacturer: Maximum cog 51 tFrom the manufacturer: Clutch yes
CassetteFrom the manufacturer: Freehub body Shimano Micro Spline
TruVativ Descendant GX
CranksetFrom the manufacturer: Chainring interface 1xFrom the manufacturer: Spindle / BB interface DUBFrom the manufacturer: Speeds 12

Wheels & Tires

Giant TRX 1
WheelsetFrom the manufacturer: Rim material Carbon
TireFrom the manufacturer: TPI 60 TPIFrom the manufacturer: Tubeless ready Yes
Maxxis Minion DHR II DD
TireFrom the manufacturer: TPI 60 TPIFrom the manufacturer: Tubeless ready Yes

Brakes

BrakeFrom the manufacturer: Caliper mount Flat Mount

Cockpit

StemBar clamp diameter 35mm

Seatpost & Saddle

Dropper postDiameter 30.9mmFrom the manufacturer: Insertion length 150mm

Keep your Reign Advanced Pro 1 in Quiver

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

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

Already have Quiver? Open this build

Sources agreeManufacturer

Quick answers

Which size or configuration labels have geometry for the 2021 Giant Reign Advanced Pro?
Geometry is listed for S, M, L, and XL.
What are the reach and stack of the 2021 Giant Reign Advanced Pro in size L?
In size L, reach is 488 mm and stack is 631 mm.
What is the head tube angle of the 2021 Giant Reign Advanced Pro?
The head tube angle is 64.6 degrees in every size.
What does the 2021 Giant Reign Advanced Pro 0 ship with?
The stock build includes Giant Reign, Fox 38 Factory, Shimano XTR M9100, and Giant TRX 0.
Which years of the Giant Reign are on Quiver?
Quiver has the Giant Reign for 2021, 2025, 2024, 2023, and 2018.

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