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2024 Giant

Reign E+ 2

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

$6,500
FrameAluminum
SuspensionFull, 160 / 170mm
ForkFox Float 38
ShockFox Float X Performance
Wheels29″ Aluminum
Drivetrain1 × 11
GroupsetCUES
MotorYamaha 250W 85Nm mid-drive
BatteryGiant 800Wh
BrakesShimano Deore 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)

28 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.

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.

Price History
Reviews
Pinkbike
First Look: 2026 Giant Reign Advanced E+

Oct 2025 · Jessie-May Morgan

Despite the smaller battery, the SyncDrive Pro 3 motor at the heart of the Giant Reign Advanced E+ betters its predecessor with 800 W peak power, and a modest increase in maximum torque to 90 Nm.

Read Review

Bikerumor
Giant Launches Limited-Edition, Bike Park Ready Reign SE w/ One of a Kind Black Lightning Finish

Aug 2025 · Steve Fisher

Giant Bicycles debuts the new Reign SE at Crankworx Whistler, featuring a burly build for bike park or gravity riding.

Read Review

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

Flow Mountain Bike
2023 Giant Reign Review | A better enduro bike in every way

Mar 2023

Featuring a new frame with more travel and mullet compatibility, the new 2023 Giant Reign is a big step up over its predecessor.

Highs
  • Incredibly calm and composed on rough terrain

  • Plush & highly adjustable suspension

  • Maestro linkage offers terrific efficiency

  • Great geometry for high-speed brawling

  • Flip chip is useful & offers mullet compatibility

  • Fantastic tyre spec

Lows
  • Internal storage hatch is too small

  • Rear hub pickup speed

  • 35mm bars are very stiff

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

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

Geometry
Specs
Build
Frame

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

Hanger StandardUDH

ColorSangria

Fork

Fox 38 Rhythm E-Optimized, 29er, 170mm travel, 44mm offset, Grip damper Sweep-Adj Boost, Kabolt-X 110

Travel170mm

Spring TypeAir

Shock

Fox Float X Performance, EVOL Large Volume sleeve, 205x62.5mm Trunnion mount, custom tuned, recommended sag: 30%

Travel160mm

Bottom Bracket

n/a

Stem

Giant Contact SL 35

Handlebar

Giant Contact Trail, 35x800mm

Saddle

Velo VL3594

Seatpost

Giant Contact Switch, dropper, 30,9mm (S:125/M:150/L:170/XL:200)

TypeDropper

Pedals

Flatpedal

Grips

Giant Tactal Pro-E, tapered design, 135mm Ø28~30mm (S/M) 142mm Ø29~32mm (L/XL)

Groupset
Rear Derailleur

Shimano Cues LinkGlide 11-speed

Front Derailleur

MRP 1X HD2 custom co-molded chain guide

Crank

Praxis N.W. 36T Cold Forged 4130 premium steel Praxis e-HD forged crankarm set (S/M:160mm, L/XL:165mm)

Shifters

Shimano Cues LinkGlide

Cassette

Shimano Cues LinkGlide, CS-LG400-11, 11-50T, 11-speed

Chain

Shimano LinkGlide, CN-LG500

Brakes

Shimano Deore, BR-M6120, 4-piston, hydraulic disc, 220mm[F], 203mm [R]

TypeShimano Deore Hydraulic Disc

Brake Levers

Shimano Deore, I-spec EV

Wheels
Rims

Giant AM30, Tubeless ready, 30mm inner width, 29" [F] / 27.5" [R]

Spokes

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

Front Hub

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

Rear Hub

Shimano MT410, Boost, Center-Lock, [F] 110x15 [R] 148x12mm HG 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

Giant SyncDrive Pro2 85Nm, PedalPlus 6-Sensor technology, Class 1, Max Assist Speed: 20MPH

Battery

Giant EnergyPak 800Wh, 22700 Lithium cell technology, Aluminium casing with highest safety standard (EN50604), CO2 Neutral production Giant EnergyPak Plus 250 range extender compatible (exculde S size)

Remote

Giant RideControl Ergo3, grip integrated remote

Display

Giant RideControl GO, frame integrated LED console Optional wireless ANT+ display

Charger

Giant EnergyPak 6A smart charger, 60% in 2:15h

Accessories
Lock

Torx 25 Battery Lock with built-in Torque limiter

Rider Notes
Riders Also Viewed

First added October 23

Last updated May 30