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2017 Giant

Reign SX

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

$3,650
Reported Weight35.0 lbs  
FrameAluminum
SuspensionFull, 160 / 170mm
ForkFox Performance Elite Float 36
ShockFox DHX2 Performance Elite
Wheels27.5″ Aluminum
Drivetrain1 × 11
GroupsetGX
BrakesSRAM Guide RS Hydraulic Disc
SeatpostDropper
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Reign SX
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)

26 mph

Reign SX

26 mph

Similar Bikes

Highest gear

(descending)

Sizing
SM

5'2" – 5'8"

MD

5'6" – 5'11"

LG

5'10" – 6'3"

XL

6'1" – 6'7"

🐐 Estimated

Rider Fit Notes

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Reviews

Summary

The Giant Reign is a formidable enduro bike that excels in downhill performance and stability, with a plush suspension system that generates significant traction. However, it requires fine-tuning to unlock its full potential and can feel harsh over rough terrain. While it's a confident descender, its climbing efficiency and comfort on flatter trails are areas where it falls short.

Pros
  • Excellent downhill stability and traction

  • Plush suspension for aggressive riding

  • Top-of-the-line components as standard

  • Confidence-inspiring geometry on steep tracks

  • Effective suspension adjustment for climbs

Cons
  • Suspension setup requires fine-tuning

  • Harsh ride quality over rough terrain

  • Less efficient on climbs and flatter trails

  • Firm saddle noted as uncomfortable

  • Sluggish handling at slow speeds

Key Quotes
The Reign Advanced is one of the top-rated bikes in the current crop of 160mm machines.
BikeRadar logoBikeRadar
We expected it to be a ripper descender, but we didn’t expect it to make us feel invincible!
Flow Mountain Bike logoFlow Mountain Bike
The bike rides through rock gardens as if on rails
Enduro Mountainbike Magazine logoEnduro Mountainbike Magazine

Feedback?

View all reviews

MBR
Giant Reign Advanced 0 (2018) review - MBR

Aug 2018 · Alan Muldoon

The 2018 Giant Reign Advanced 0 has class leading sizing and geometry plus a race-tuned coil shock and revised suspension linkage.

Highs
  • The best just got better

Lows
  • Shock remote is fragile and hard to position

Read Review

Enduro Mountainbike Magazine
Giant Reign SX Review

Jul 2018 · Christoph Bayer

The Giant Reign is a classic amongst enduro bikes. It has earned itself the reputation of an utterly reliable companion, ready to take on anything. In a direct comparison with the competition, the bike looks a bit old-fashioned despite the facelift – does the same apply to the handling? For an overview of the test […]

Read Review

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

Mar 2018 · March 22, 2018

The grin. The grin knows. The grin can appear anytime, when you press or twist too hard on the throttle, at the oh-so-serious work meeting, when you get a call from the mad mate from your murky past who tells you that they are in town, or when the late-night shots arrive. The grin knows. The grin is never wrong. The grin doesn’t know what is correct or what is not, he or she just hides away, waiting for when […]

Read Review

Mountain Bike Action
Review - 2018 Giant Reign Advanced 1

Mar 2018 · McCoy

The Giant Reign has long been known for being a plush, long-travel machine built for conquering climbs and obliterating descents. The Reign quickly became

Read Review

BIKE Magazine
Bible Review: Giant Reign Advanced 1

Jan 2018

The Reign moves towards a full-on enduro machine for 2018, except for one hiccup.

Read Review

Flow Mountain Bike
Tested: Giant Reign 2

Nov 2017

Let’s skip the features of the new Reign for now (click here to get the lowdown on features with the new model) and talk more about how it goes in the dirt. Our first ride on the Reign was a big loop that would take in just about any style of trail, from steep rocky chutes, …

Highs
  • Incredibly stable descender.

  • Complete package for hard riding.

  • Best looking Reign yet!

Lows
  • Hard work on flatter trails.

  • Climbs meandering trails like Monday morning.

Read Review

BikeRadar
Giant Reign Advanced 1 review

Oct 2017 · Guy Kesteven

Obvious high-speed potential of the excellent frame is stifled by harsh wheels and suspension.

Read Review

MTBR
2018 Giant Reign first look

Jul 2017 · Saris Mercanti

The Reign hadn’t been updated since 2014. For model year 2018, Giant gave this best selling bike some serious updates. - Mtbr.com

Read Review

Geometry
Specs
Build
Frame

ALUXX SL-grade aluminum, 160mm Maestro suspension

BB StandardBB86/BB92, Press Fit

ColorOrange

Fork

Fox 36 Float Performance Elite, FIT4 damper, Kabolt, Boost, OverDrive, 170mm travel

Travel170mm

Spring TypeAir

Shock

Fox DHX2 Performance Elite Coil

Travel160mm

Spring TypeCoil

Bottom Bracket

Shimano, Press fit

Stem

Truvativ Holzfeller

Handlebar

Giant Contact SL DH, 31.8mm

Saddle

Giant Contact Neutral

Seatpost

Giant Contact SL Switch Trail, 30.9mm

TypeDropper

Pedals

N/A

Groupset
Rear Derailleur

SRAM GX, Type-2

Front Derailleur

N/A

Crank

SRAM GX, 32T w/ MRP SXG Guide (Alloy backplate)

Shifters

SRAM GX

Cassette

SRAM XG-1150 10x42, 11-speed

Chain

KMC X11 EL

Brakes

SRAM Guide RS, hydraulic disc, 200mm

TypeSRAM Guide RS Hydraulic Disc

Brake Levers

SRAM Guide RS

Wheels
Rims

Giant P-AM2

Spokes

Stainless Steel, 14/15g

Front Hub

Giant Performance Tracker Disc, 28h, [F] Boost 110x15mm, [R] 142x12mm

Rear Hub

Giant Performance Tracker Disc, 28h, [F] Boost 110x15mm, [R] 142x12mm

Tires

[F] Schwalbe Magic Mary, 27.5x2.35, Super Gravity, TL Easy, Vert Star [R] Schwalbe Hans Dampf, 27.5x2.35, Super Gravity, TL Easy, Trail Star

Rider Notes
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First added July 7

Last updated July 8

Not listed for 3,247 days