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Giant Reign Advanced 1

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Details

Race-bred suspension: A Maestro rear suspension system with 160mm of travel, paired with a 170mm fork, was developed and tested under the extreme conditions of Enduro World Series races. The trunnion mount shock has a longer stroke (62.5mm compared to 60mm on the previous generation). And the Advanced Forged Composite upper rocker arm adds stiffness and lowers overall weight.

Adjustable enduro geometry: Flip chip technology lets you switch between three settings depending on the terrain. You can select a 62.47, 63.09 or 63.46-degree head angle and corresponding 77.54, 77.89 or 78.26-degree seat tube angle, resulting in a 29, 24 or 19mm bottom bracket drop (size medium) to fine- tune handling for trail conditions, riding style and rear-wheel size.

Rear wheel options: Riders can choose either the stock 27.5-inch rear wheel or switch to 29. The larger 29-inch option improves stability and roll-over capabilities, while 27.5 delivers a more agile, snappier feel. It’s a quick and easy way to adjust the bike’s handling and feel.

SizeSmallMediumLargeX-Large
POSITION 1 - LOW
Seat Tube Length (mm)400425450475
Seat Post Insertion Depth (mm)262287312337
Seat Tube Angle (°)77.577.576.576.5
Top Tube Length (mm)558589622654
Head Tube Length (mm)100105115120
Head Tube Angle (°)62.762.762.762.7
Fork Rake (mm)44444444
Trail (mm)147147147147
Wheelbase (mm)1214124612711304
Chain Stay Length (mm)445445445445
Bottom Bracket Drop (mm)29292929
Stack (mm)633638647652
Reach (mm)418448468499
Standover Height (mm)714733746762
Handlebar Width (mm)800800800800
Stem Length (mm)40404040
Crank Length (mm)165170170170
Wheel Size29" [F] 27.5" [R]29" [F] 27.5" [R]29" [F] 27.5" [R]29" [F] 27.5" [R]
POSITION 2 - MID
Seat Tube Length (mm)400425450475
Seat Post Insertion Depth (mm)262287312337
Seat Tube Angle (°)77.877.876.976.9
Top Tube Length (mm)557588621653
Head Tube Length (mm)100105115120
Head Tube Angle (°)63.063.063.163.1
Fork Rake (mm)44444444
Trail (mm)144144144144
Wheelbase (mm)1213124512701303
Chain Stay Length (mm)443443443443
Bottom Bracket Drop (mm)24242424
Stack (mm)630635644649
Reach (mm)421452471503
Standover Height (mm)718738750766
Handlebar Width (mm)800800800800
Stem Length (mm)40404040
Crank Length (mm)165170170170
Wheel Size29" [F] 27.5" [R]29" [F] 27.5" [R]29" [F] 27.5" [R]29" [F] 27.5" [R]
POSITION 3 - HIGH
Seat Tube Length (mm)400425450475
Seat Post Insertion Depth (mm)262287312337
Seat Tube Angle (°)78.278.277.277.2
Top Tube Length (mm)556587621653
Head Tube Length (mm)100105115120
Head Tube Angle (°)63.463.463.463.4
Fork Rake (mm)44444444
Trail (mm)141141141141
Wheelbase (mm)1212124412691302
Chain Stay Length (mm)442442442442
Bottom Bracket Drop (mm)19191919
Stack (mm)627632641646
Reach (mm)426456476507
Standover Height (mm)723742755771
Handlebar Width (mm)800800800800
Stem Length (mm)40404040
Crank Length (mm)165170170170
Wheel Size29" [F] 27.5" [R]29" [F] 27.5" [R]29" [F] 27.5" [R]29" [F] 27.5" [R]

SizeSmallMediumLargeX-Large
Rider Height (in.)5'4"–5'8"5'7"–5'11"5'10"–6'2"6'2"–6'6"

* Sizing is intended as a guide. If you are between sizes, consider your riding style and preference.

Specs

Bottom Bracket SRAM DUB, press fit
Chainrings 32t
Frame Advanced-grade composite front and rear triangles, 160mm Maestro suspension, flip chip, 12x148mm thru-axle, 27.5 or 29-inch rear wheel compatible, flip chip - Maestro 3, integrated down tube storage
Frame Material Advanced-grade composite (Carbon)
Fork Fox 38 Factory, 170mm, GRIP X2 damper, 15x110 Kabolt X, 44mm offset
Rear Shock Fox Float X2 Factory, 205/62.5, custom tuned for Giant
Rims Giant TRX WheelSystem, carbon, hookless, 30mm inner width, 40mm outer width, 22mm height, Wide Guard Technology
Hubs Front: Giant MTB alloy, 6-bolt
Rear: Giant MTB alloy, 72 POE, 6-bolt, XD driver body
Spokes Sapim, 28, straight pull, DBL Technology
Tires Front: Maxxis Assegai 29x2.5 WT, 3C MaxxTerra, EXO+, tubeless
Rear: Maxxis Minion DHR II 27.5x2.4 WT, 3C MaxxTerra, DD, tubeless
Crankset SRAM GX Eagle Transmission, DUB, 32t, 55mm chainline; S:165mm, M/L/XL:170mm
Shifters SRAM AXS Pod, discrete clamp, 1x12
Rear Derailleur SRAM GX Eagle Transmission
Cassette/Freewheel SRAM GX Eagle Transmission, 10-52t
Chain SRAM GX Eagle Transmission
Brakes TRP EVO DH-R, hydraulic
Rotors Front: TRP 220mm
Rear: TRP 200mm
Brake Levers TRP DH-R EVO
Handlebars Giant Contact TR35, 800x35mm, 35mm rise
Tape/Grips Giant Tactal Pro Single
Stem Giant Contact SL 35, 40mm
Seatpost Giant Contact Switch AT dropper, remote; S:110-140mm travel/30.9x395mm
Saddle Giant Romero SL
Pedals Sold Separately
Accessories & Extras Tubeless prepared; 2.5" max tire size; 36t max chainring size; MRP AMG CS chain guide; 3M tailgate protector

* Subject to change without notice.

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