Giant 2023 Reign Advanced Pro 1 Mountain Bike

Option1 Black Diamond/Carbon SM Black Diamond/Carbon MD Black Diamond/Carbon LG Black Diamond/Carbon XL
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THIS ALL-NEW COMPOSITE CHASSIS IS BUILT STRONG, LIGHT AND FAST FOR GIANT ENDURO PROS. A NEW SUSPENSION SETUP BEEN DEVELOPED, TESTED AND RACED AT THE HIGHEST LEVELS. AND MORE ADJUSTABILITY LETS YOU TACKLE TECHNICAL TRAILS JUST THE WAY YOU LIKE.

KEY PERFORMANCE FACTORS

Race-bred suspension
A new Maestro rear suspension system with longer travel (160mm) 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
New flip chip technology lets you switch between three settings depending on the terrain. You can select a 63.5, 63.9 or 64.2-degree head angle and corresponding 78.3, 78.7 or 79-degree seat tube angle, resulting in a 35, 30 or 25mm 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 a 29- or 27.5-inch rear wheel, paired with a 29-inch front wheel. The larger 29-inch option improves stability and roll-over capabilities, while the 27.5 option delivers a more agile, snappier feel. It’s a quick and easy change to adjust the bike’s handling and feel.

Sizes S, M, L, XL
Colors Black Diamond/Carbon
Frame Advanced-Grade Composite front and rear triangles, 160mm Maestro suspension, flip chip 3 position, 12x148mm thru-axle, 27.5 or 29-inch rear wheel compatible, integrated downtube storage, 55mm Chainline
Fork Fox 38 Performance Elite, 170mm, GRIP 2 damper, 15x110 Kabolt X, 44mm offset, custom tuned for Giant
Shock Fox Float X2 Performance Elite, custom tuned for Giant
Handlebar Giant Contact SLR TR35, composite, 35mm
Grips Giant Tactal Pro Single lock-on
Stem Giant Contact SL 35 S:40mm, M:40mm, L:40mm, XL:40mm
Seatpost TranzX travel-adjustable dropper, remote S: 120-150mm travel / 30.9 x 459mm M: 140-170mm travel / 30.9 x 499mm
Saddle Giant Romero SL
Pedals N/A
Shifters SRAM GX Eagle, 1x12
Front Derailleur N/A
Rear Derailleur SRAM GX Eagle
Brakes Shimano SLX M7120, hydraulic, Shimano RT-66 rotors [F]220mm, [R]203mm
Brake Levers Shimano SLX BL-M7100
Cassette SRAM GX XG-1275 Eagle, 10x52
Chain SRAM GX Eagle
Crankset SRAM GX, DUB, 32t, 55mm chainline S:165mm, M:170mm, L:170mm, XL:170mm
Bottom Bracket SRAM DUB, press fit
Rims Giant TRX 2 29 Carbon WheelSystem, 30mm inner width
Hubs [F] Giant MTB alloy, 6-bolt [R] Giant MTB alloy, 3-pawl driver, 6-bolt
Spokes Sapim
Tires [F] Maxxis Assegai 29x2.5 WT, 3C MaxxTerra, EXO+, TR [R] Maxxis Minion DHR II 29x2.4 WT, 3C MaxxTerra, DD, TR tubeless
Extras Tubeless prepared, 2.5" max tyre size, 36t max chainring size, MRP AMG CS chain guide, 3M tailgate protector
Weight The most accurate way to determine any bike’s weight is to have your local dealer weigh it for you. Many brands strive to list the lowest possible weight, but in reality weight can vary based on size, finish, hardware and accessories. All our bikes are designed for best-in-class weight and ride quality.