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2023 Giant

Reign E+ 2

A 27.5″ aluminum frame full suspension enduro e-bike with upper mid-range components.
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Manufacturer Price

$5,700
Weight56.8 lbs  
FrameAluminum
SuspensionFull, 160 / 170mm
ForkRockShox ZEB Select
ShockFox Float X Performance
Wheels27.5″ Aluminum
Drivetrain1 × 12
GroupsetSLX
MotorYamaha 250W 85Nm mid-drive
Battery800Wh
BrakesShimano SLX Hydraulic Disc
SeatpostDropper
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Reign E+ 2
Other Enduro 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)

29 mph

Reign E+ 2

26 mph

Similar Bikes

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

5'7" – 6'0"

LG

5'10" – 6'3"

XL

6'1" – 6'6"

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Reviews
Electric Bike Report
Giant Reign E+ Pro 2 Review | Enduro Lovers NEED To See This

Oct 2024 · Griffin Hales

A terrific suspension setup, and a highly-capable motor highlight an overall great ride experience. Our time testing and reviewing the Giant Reign E+ Pro 2 was eye-opening. There was a lot we already knew going into it: Giant knows what its doing with MTBs and produces sound products, Yamaha makes good motors, and a lot

Highs
  • The suspension makes downhill riding and jumping a blast! The combo of the Maestro linkage, Rockshox Zeb, and Fox Float X made for an exhilarating experience.

  • The Giant-tuned Yamaha motor is fantastic. It shines in low cadence pedal situations, but just makes the bike highly capable in most any setting.

  • The geo of the bike is very stable. It’s a fairly slacked out setup, but it has a longer chainstay that helps keep the bike feeling steady when going down hill at speed.

  • Lot’s of control for handling technical terrain with the Maxxis mullet setup. The tires provide nice traction in various settings, yet rolled with great efficiency and speed.

  • We liked the minimal LED interface, and the Giant companion app allows for ride customization for tuning the motor output to your preference.

  • The Flip Chip tech can change up the geo. We enjoyed steepening the headtube when we took it on trails that had more switchbacks and tighter cornering. Optionality is never a bad thing!

Lows
  • The PAS control buttons are hard very subtle, but they are hard to discern on the fly. A more tactile and distinct pad would be nice.

  • Not so much a con as an FYI, the motor feels twitchy when trackstanding. It can be dialed back in the app, but we learned to enjoy the benefits of quick engagement.

Read Review

NSMB
2023 Giant Reign Advanced

Sep 2023

The Reign was both the easiest and the hardest bike I’ve tested so far. The easiest because it was exactly what I expected and hoped it would be: an aggressive enduro bike with excellent suspension performance. The hardest because, well, I’m just not that aggressive of a rider so I had to step out of my comfort zone and I had to be at the top of my game to get the most out of the bike.

Read Review

Revolution Mountain Bike Magazine
[R]eviewed // 2023 Giant Reign Advanced 1

May 2023 · Blake Nielsen

Giant’s engineering team completely overhauled the Reign Advanced for 2023 with a frame redesign that has now moved away from the somewhat ‘freeride’ style geometry numbers that the Reign has adopted in the past, and instead they set out to create a purebred, no-compromise enduro race bike! Reviewer // Blake Nielsen  Photos // Matt Staggs Let’s get straight to the point, does it seem like they’ve hit the brief and how much ‘speedier’ is the bike now compared the previous […]

Read Review

Bikerumor
2023 Giant Reign Offers Three Geometries & Mullet Compatibility

Dec 2022 · Jessie-May Morgan

2023 Giant Reign has 160mm of rear wheel travel with a Flip-Chip offering 3 Geometry Settings and the possibility of a 29" or 27.5" rear wheel

Read Review

BikeRadar
Giant Reign E+ 1 review

May 2022 · Alex Evans

At full chat, it’s exhilarating to ride, but back from the limit it feels stiff and the 25kg weight, plus long chassis, makes it tricky to tame

Highs
  • Accurate and stable at speed

  • Powerful Yamaha motor

  • Well-specced

Lows
  • Harsh ride that can be punishing

  • Motor efficiency not great

  • Weight and geometry work against lighter riders

Read Review

Pinkbike
Giant Releases New Reign E+ With Mixed Wheels

Aug 2021 · Matt Beer

The 2022 Reign E+ gets a bigger battery, a new motor, and geometry updates.

Read Review

Enduro Mountainbike Magazine
The 2021 GIANT Reign Advanced Pro 0 review – Let's get rowdy!

Jan 2021 · Christoph Bayer

There are bikes that make it easy to ride fast. They offer a lot of grip, the rider is positioned centrally on the bike and they're easy to handle. The GIANT Reign is NOT that kind of bike. Still, it's a lot of fun!

Highs
  • Good poppy suspension

  • A lot of fun with an active riding style

  • Its length adds stability in steep terrain

Lows
  • Suspension reaches its limit on rough tracks

  • Requires an active riding style

  • Sizing excludes a lot of riders

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

Geometry
Specs
Build
Frame

ALUXX SL-grade aluminum, Advanced Forged Composite Upper Rocker, 160mm Maestro suspension system, 'Boost' 148x12mm, Universal Derailleur Hanger

Hanger StandardUDH

ColorCordovan / Black

Fork

RockShox ZEB Select 29er, 170mm travel, Charger RC damper, 15x110 Boost, Maxle Stealth, E-bike Approved

Travel170mm

Spring TypeAir

Shock

Fox Float X Performance, EVOL Large Volume sleeve, 2-position lever, 205x62.5mm Trunnion mount, custom tuned

Travel160mm

Bottom Bracket

n/a

Stem

Giant Contact SL 35

Handlebar

Giant Contact Trail, 35x800mm

Saddle

Giant Romero Trail

Seatpost

Giant Contact Switch, dropper, 30,9mm (S:125/M:150/ L&XL:170)

TypeDropper

Pedals

Flat pedal

Grips

Giant Tactal Pro-E, single lock-on

Groupset
Rear Derailleur

Shimano Deore SLX, 12-speed, Shadow+

Front Derailleur

MRP HD2 co-moulded chain guide

Crank

Praxis Wavetm 36T Cold Forged 4130 premium steel Praxis e-Cadet+ custom forged crankarm set (S/M:160, L/XL:165)

Shifters

Shimano Deore SLX

Cassette

Shimano HG-M6100, 10-51T, 12-speed

Chain

KMC e.12 Turbo, EcoProteq, e-bike optimized

Brakes

Shimano SLX BR-M7120, 4-piston, hydraulic disc, 203mm

TypeShimano SLX Hydraulic Disc

Brake Levers

Shimano SLX, I-spec EV

Wheels
Rims

Giant AM 29" [F] 27.5"[R], Tubeless ready, 30mm inner width

Spokes

Sapim E-Lite [R] Race [F], e-bike optimized

Front Hub

Shimano MT410 Boost, Center-Lock, [F] 110x15 [R] 148x12mm Micro-Spline Drive Body Thru-axle

Rear Hub

Shimano MT410 Boost, Center-Lock, [F] 110x15 [R] 148x12mm Micro-Spline Drive Body Thru-axle

Tires

Maxxis Minion DHF 29x2.6" foldable, Tubeless, EXO+, 3C MaxxTerra[F]Maxxis High Roller II 27.5x2.5" foldable, Tubeless, DoubleDown, 3C MaxxTerra Compound [R]

Electric Components
Motor

SyncDrive Pro, 85Nm, powered by Yamaha, Class 1, Max Assist Speed: 20MPH

Battery

EnergyPak Smart 800,EnergyPak Plus range extender compatible (exclude S Size)

Remote

RideControl GO integrated in TT, RideControl Ergo 3

Display

Wireless display compatible

Charger

Giant EnergyPak 6A smart charger, 60% in 3:00h

Accessories
Racks

-

Lock

Torx 25 Battery Lock with built-in Torque limiter

Rider Notes
Riders Also Viewed

First added November 19

Last updated November 1

Not listed for 209 days