Giant Reign 1 – Push New Limits on Challenging Terrain The Giant Reign 1 is a hard-charging enduro mountain bike built to push new limits on the most demanding terrain. Designed for aggressive riders and proven on the world’s toughest race courses, this enduro ripper delivers 160mm of Maestro rear suspension that eats up rocks, drops, and everything in your path with confidence and control. Engineered for versatility, the Reign 1 features a three-position flip chip that allows riders to fine-tune geometry and even switch rear wheel size from 29-inch to 27.5-inch. Whether you’re racing enduro, attacking technical descents, or riding steep, fast trails, the Giant Reign 1 adapts to your terrain and riding style. Key Performance Factors Race-Bred Suspension Developed and tested under the extreme demands of Enduro World Series racing, the Maestro rear suspension system delivers 160mm of smooth, active travel for maximum traction and control. A trunnion-mount rear shock with a longer 62.5mm stroke (up from 60mm on the previous generation) improves small-bump sensitivity and big-hit performance. The Advanced Forged Composite upper rocker arm increases stiffness while reducing overall weight for precise handling at speed. Adjustable Enduro Geometry Advanced flip chip technology gives riders three geometry settings to match terrain, riding style, and wheel configuration. Choose between a 63.5°, 63.9°, or 64.2° head angle with corresponding 78.3°, 78.7°, or 79° seat tube angles, resulting in a 35mm, 30mm, or 25mm bottom bracket drop (size medium). This adjustability lets you dial in stability for steep descents or a more responsive feel for technical trails. Rear Wheel Options The Giant Reign 1 offers true versatility with dual rear wheel compatibility. Run the stock 29-inch rear wheel for maximum stability, speed, and roll-over capability, or switch to a 27.5-inch rear wheel for a more agile, snappy ride that’s perfect for tighter trails and playful handling. It’s a quick, easy way to customize how the bike rides and responds. Specs Sizes S, M, L, XL Colours Blue Dragonfly/Black/Chrome Frame ALUXX SL-grade aluminum 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 downtube storage Fork Fox 38 Performance Elite, 170mm, GRIP 2 damper, 15x110 Kabolt X, 44mm offset, custom tuned for Giant Shock Fox Float X Performance Elite, 205/62.5, custom tuned for Giant Handlebar Giant Contact SL TR35, 800x35mm, 20mm rise Grips Giant Tactal Pro Single S:120mm, M:120mm, L:130mm, XL:130mm Stem Giant Contact SL 35 S:40mm, M:40mm, L:40mm, XL:40mm Seatpost Giant Contact Switch dropper, remote S: 125mm travel / 30.9 x 395mm Saddle Giant Romero Pedals N/A Shifters Shimano SLX SL-M7100, 1x12 Front Derailleur N/A Rear Derailleur Shimano SLX RD-M7100 Brakes Shimano Deore BR-M6120, hydraulic, Shimano RT-66 rotors [F]220mm, [R]200mm Brake Levers Shimano Deore BL-M6100 Cassette Shimano SLX M7100, 10x51 Chain Shimano Crankset Shimano MT512, 32t, 55mm chainline S:165mm, M:170mm, L:170mm, XL:170mm Bottom Bracket Shimano, press fit Rims Giant AM 29, alloy Hubs alloy, sealed Spokes Stainless steel 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 tire size, 36t max chainring size, MRP AMG CS chain guide 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.
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