2021 Giant

Reign 29 SX

A 29″ aluminum frame full suspension trail bike with upper mid-range components.
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Manufacturer Price

$4,000
FrameAluminum
SuspensionFull, 146 / 170mm
ForkFox Performance Elite Float 38
ShockFox Float DHX2 Performance Elite
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetNX Eagle, MRP
BrakesHydraulic Disc
SeatpostDropper
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Reign 29 SX
Other Trail bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

25 mph

Reign 29 SX

26 mph

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Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Compare the full Reign model range

View Comparison
Sizing
SM

5'4" – 5'9"

MD

5'6" – 6'0"

LG

5'10" – 6'3"

XL

6'1" – 6'6"

Rider Fit Notes
  • 5'10", size M, Just right
  • 6'2", size LG, Fits large
Reviews
BikeRadar
Giant Reign SX first ride review

Jul 2021 · Mick Kirkman

Entry-level 650b enduro and bike-park rig

Highs
  • Price is very competitive for this level of finish and components

  • Lightweight for its price and travel

Lows
  • Fork lacks smoothness

  • No dropper post

  • Doesn’t pedal uphill too well

Read Review

Pinkbike
Reece Wallace's Custom Search & Rescue Inspired Giant Reign 29

Mar 2021 · Giant Bicycles

Reece Wallace was recently inspired by Canada's Search & Rescue fleet to paint his new 2021 Giant Reign Advanced Pro 29.

Read Review

Singletrack World
Giant Reign Advanced Pro 2 - Long Term Review

Jan 2021 · David Gould

Giant reckons their Reign 29er could be the ultimate Enduro machine but what do we make of it after subjecting it to eight months of testing?

Read Review

Mountain Bike Action
Mountain Bike Action Bike Test: Giant's Custom Reign Enduro Bike

Nov 2020

An old dog with new tricks

Read Review

BIKE Magazine
Tested: Giant Reign SX 29 | $4,000

May 2020

The Giant Reign SX 29 fits in somewhere between an everyday trail bike and the new crop of long-travel 29er freeride sled.

Read Review

MBR
Giant Reign 29 Advanced Pro 0 review - MBR

Feb 2020 · Alan Muldoon

The Giant Reign 29 is the long awaited 29er version of the Giant Reign. Full carbon frame with Maestro rear suspension delivering 146mm travel.

Highs
  • Good sizing, competitive pricing

Lows
  • Intermittent rear brake rub

Read Review

Enduro Mountainbike Magazine
Giant Reign Advanced 29 0 on test – long geometry with short travel suspension has us in for a surprise

Jan 2020 · Christoph Bayer

At last! Fans have long anticipated the Giant Reign 29! So it's all the more exciting to see how the bike performs and whether the new bigger-wheeled Reign can live up to its legendary status.

Highs
  • Excellent climber

  • Instils you with confidence on steep descents

  • Poppy suspension

Lows
  • Quickly reaches its limits on rough terrain

  • Big gap between sizes

  • Little attention to detail on some parts of the frame

Read Review

Loam Wolf
First Ride: Giant Reign Advanced 29

Aug 2019 · Justin Serna

First Ride Giant Reign Advanced 29 Words by Justin Serna | Photos by Nic Hall The Giant Reign has definitely reached an iconic status after 15 years of service. Although Giant hasn't historically offered that lust-worthy image or boutique vibe in the past,

Read Review

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

ALUXX SL-Grade Aluminum, 146mm Maestro suspension

ColorConcrete / Mulberry Dye

Fork

Fox 38 Performance Elite, GRIP2, 170mm, Boost 110x15 Kabolt, 44mm offset, custom tuned for Giant

Travel170mm

Spring TypeAir

Shock

Fox DHX2 Performance Elite, 205/60, custom tuned for Giant

Travel146mm

Spring TypeAir

Bottom Bracket

SRAM DUB, press fit

Stem

Giant Contact SL 35

Handlebar

Giant Contact SL Trail, 35

Saddle

Giant Romero

Seatpost

Giant Contact Switch dropper post with remote, 30.9

TypeDropper

Pedals

N/A

Groupset
Rear Derailleur

SRAM NX Eagle

Front Derailleur

N/A

Crank

Truvativ Descendent 6k Eagle DUB, 32t, MRP alloy guide

Shifters

SRAM NX Eagle

Cassette

SRAM NX Eagle, 12-speed, 11x50

Chain

SRAM NX Eagle

Brakes

Shimano SLX hydraulic 4-piston, 203mm

TypeHydraulic Disc

Brake Levers

Shimano SLX

Wheels
Rims

Giant AM 29 wheelset, alloy, 30mm inner

Spokes

Sapim

Front Hub

Giant Performance Tracker, [F] Boost 15x110mm [R] Boost 12x148mm, sealed bearing

Rear Hub

Giant Performance Tracker, [F] Boost 15x110mm [R] Boost 12x148mm, sealed bearing

Tires

[F] Maxxis Assegai, tubeless, 29x2.5 WT, MaxxTerra, EXO+, TR [R] Maxxis Minion DHR II, tubeless, 29x2.4 WT, MaxxTerra, EXO+, TR

Rider Notes
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Last updated September 10
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