Giant 2021 Reign 29 SX

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Giant 2021 Reign 29 SX

Choose your line and let it rip. From chunky alpine terrain to warp-speed park runs, this 29er eats up rugged terrain. Its smooth Maestro rear suspension and beefy 170mm fork help keep you in control no matter what comes your way.

This 29er features a lightweight, stiff and super-strong ALUXX SL frameset with our latest Maestro rear suspension. The components have been hand-picked to excel on technical descents.

The frameset is engineered with progressive geometry including shorter chainstays, a longer toptube, and headtube/seattube angles that put you in the perfect position to slay singletrack.

The rear suspension gives you 146mm of smooth, active rear travel with a new trunnion mount shock and Advanced Forged Composite rocker arm. This SX model features a 170mm fork for outstanding control on high-speed descents.

Add in a host of other aggressive trail riding technologies, including a cleanly routed dropper seatpost and the latest Giant WheelSystem with Boost hub spacing and tubeless tires, and it’s ready to rip when you are.

Race-bred suspension

Maestro rear suspension and a 170mm fork developed and tested in Enduro World Series races. The trunnion mount rear shock has a longer stroke and smoother feel, and an Advanced Forged Composite upper rocker arm adds stiffness while lowering overall frame weight.

Progressive enduro geometry

The frameset features enduro-ready geometry so you can ride aggressive descents and rail corners with confidence. The 64.5/76.3-degree headtube/seattube angles with a 42mm fork offset produce confident front-end handling with high-speed stability and control.

29er confidence and control

Larger 29-inch diameter wheels roll over rugged enduro terrain with improved balance and stability, giving you the momentum to crank up tough climbs and the confidence to fly on fast, technical descents.

Giant 2021 Reign 29 SX Specifications


Frame: ALUXX SL grade aluminium, Maestro 146mm travel, Boost, ISCG 05
Fork: Fox 38 Float Performance Elite, GRIP 2 Damper, 15x110mm Kabolt X, OverDrive steerer, 170mm travel
Shock: Fox DHX2 Performance Elite, 2 position lever, Trunnion mount
Weight: N/A


Crankset: Truvativ Descendant Eagle, Dub, 32T
Pedals: N/A
Chain: SRAM NX Eagle
Bottom Bracket: SRAM GXP Dub, press fit
Rear Derailleur: SRAM NX Eagle
Front Derailleur: N/A
Derailleur Shifter: SRAM NX Eagle, 12spd
Freewheel/Cassette: SRAM PG-1230, 11-50T, 12spd


Tires: Fr: Maxxis Assegai TR, 3C Maxx Terra, EXO+, WT, Folding, 29x2.5” Rr: Maxxis Minion DHR II TR, 3C Maxx Grip, EXO+, WT, Folding, 29x2.4”
Wheels/Rims: Giant AM, tubeless
Hubs: Shimano MT-410, 28H

Braking System

Brakes: Shimano SLX Trail hydraulic disc, 203mm
Brake Levers: Shimano SLX Trail hydraulic


Handle Bar: Giant Contact trail rise, 35mm
Stem Headset: Giant Contact SL, 35mm, 8 degree
Saddle: Giant Romero
Seat Post: Giant Contact Switch dropper, 30.9mm
Extras: tubeless prepared



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